NEET 2018 Question Paper (Bengali)

This booklet contains 44 pages. ALHCA Test Booklet Code
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*0WW* WW
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are directed to open the Test Booklet, take out the ët¡à³àìA¡ š¹ãÛ¡à šå[ÑzA¡à ëJàºà¹ [>샢Šëƒ*Úà Òì¤, l¡üv¡¹ šy[i¡
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™â¥ÎÒA¡àì¹ Ç¡‹å³ày >ãº/A¡àìºà ¤º šìÚ@i¡ A¡º³ [ƒìÚ šè¹o
2. The test is of 3 hours duration and this Test Booklet A¡¹ ¡ú
contains 180 questions. Each question carries 4 marks.
For each correct response, the candidate will get 4 2. š¹ãۡ๠γÚA¡àº 3 Q@i¡à &¤} š¹ãÛ¡à šå[ÑzA¡àÚ 180 [i¡ šøÅ¥
marks. For each incorrect response, one mark will be ¹ìÚìá ¡ú šø[t¡ šøìÅ¥¹ ³èº¸³à> 4 ¡ú šøìt¡¸A¡ šøìÅ¥¹ Î[k¡A¡ l¡üv¡ì¹¹
deducted from the total scores. The maximum marks \>¸ š¹ãÛ¡à=¢ã 4 >´¬¹ šàì¤ ¡ú šøìt¡¸A¡ šøìÅ¥¹ ®å¡º l¡üv¡ì¹¹ \>¸
are 720. ë³ài¡ šøàœ¡ >´¬¹ ë=ìA¡ 1 >´¬¹ A¡ài¡à ™àì¤ ¡ú Î줢àZW¡ >´¬¹ 720 ¡ú
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hand over the Answer Sheet to the Invigilator l¡üv¡¹šy \³à [ƒìt¡ Òì¤ ¡ú š¹ãÛ¡à=¢ãK> &Òü š¹ãÛ¡à šå[ÑzA¡à
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allowed to take away this Test Booklet with them. 6. &Òü šå[ÑzA¡à¹ Î}ìA¡t¡ WW. [³[ºìÚ ëƒìJ [>[ÆW¡t¡ Ò* ë™
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same as that on this Test Booklet. In case of
šå[ÑzA¡à * l¡üv¡¹ šy Î}NøìÒ¹ \>¸ š¹ãÛ¡à=¢ãìA¡ "[¤ºì´¬
discrepancy, the candidate should immediately report
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Test Booklet and the Answer Sheet. 7. š¹ãÛ¡à=¢ãìA¡ Îå[>[ÆW¡t¡ A¡¹ìt¡ Òì¤ ë™> l¡üv¡¹ šy ®ò¡à\ >à ÒÚ ¡ú
7. The candidates should ensure that the Answer Sheet is l¡üv¡¹ šìy "šøìÚà\>ãÚ [W¡Òû¡ ëƒ*Úà W¡ºì¤ >à ¡ú š¹ãÛ¡à šå[ÑzA¡à
not folded. Do not make any stray marks on the Answer * l¡üv¡¹ šìy¹ [>[ƒ¢Ê¡ Ñ‚à> [®¡Ä "๠ëA¡à=à* yû¡[³A¡ >} [ºJì¤
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the Answer Sheet.

In case of any ambiguity in translation of any question, English version shall be treated as final.
ëA¡àì>à šøÅ¥ [¤ÈìÚ ">å¤à샹 [¤°à[”z =àA¡ìº, Òü}ì¹[\ šøÅ¥ Wè¡Øl¡à”z ¤ìº ³à>ìt¡ Òì¤ ¡ú

Name of the Candidate (in Capitals) : _____________________________________________________________________
Roll Number : in figures ________________________________________________________________________________
: in words _________________________________________________________________________________
Centre of Examination (in Capitals) : _____________________________________________________________________
Candidate’s Signature : _________________________ Invigilator’s Signature : _________________________________

Facsimile signature stamp of
Centre Superintendent : _________________________________________________________________________________

ALHCA/WW/Page 1 SPACE FOR ROUGH WORK English/Bengali

1. The efficiency of an ideal heat engine working 1. &A¡[i¡ "àƒÅ¢ t¡àšãÚ Òü[gì>¹ l¡üZW¡ "à‹à¹ * [>´•
between the freezing point and boiling point of
"à‹àì¹¹ t¡àš³àyà \[>t¡ Ñ£å¡i¡>à}A¡ * Òã³à}ìA¡¹ γà>
water, is
(1) 26·8%
Òìº Òü[g>[i¡¹ Û¡³t¡à
(1) 26·8%
(2) 6·25%
(2) 6·25%
(3) 20%
(3) 20%
(4) 12·5% (4) 12·5%
2. At what temperature will the rms speed of 2. ìA¡à> t¡àš³àyàÚ "[Gì\> "oå¹ ¤K¢-³à‹¸-³èº (rms)
oxygen molecules become just sufficient for
escaping from the Earth’s atmosphere ?
K[t¡ì¤K šõ=ã[¤¹ ¤àÚå³r¡ìº¹ ³å[v¡û¡ ë¤ìK¹ [k¡A¡ γà>
(Given : Òì¤ ?
Mass of oxygen molecule (m) = 2·76  10
–26
kg
(šøƒt¡ "àìá : "[Gì\> "oå¹ ®¡¹ (m) = 2·76  10–26 kg
Boltzmann’s constant kB = 1·38  10
–23
JK )
–1 ì¤àÂi¡\ô³¸àì>¹ ‹ø硤A¡ kB = 1·38  10–23 J K –1)
4
4 (1) 2·508  10 K
(1) 2·508  10 K
4
4 (2) 5·016  10 K
(2) 5·016  10 K
4
4 (3) 8·360  10 K
(3) 8·360  10 K
4
4 (4) 1·254  10 K
(4) 1·254  10 K
3. &A¡[i¡ ³åJ ëJàºà "¹K¸à> >캹 ³èºÎåì¹¹ A¡Úà}A¡ "š¹
3. The fundamental frequency in an open organ
pipe is equal to the third harmonic of a closed
&A¡[i¡ ¤Þê¡ ³åJ "¹K¸à> >캹 tõ¡t¡ãÚ l¡üšÎåì¹¹
organ pipe. If the length of the closed organ pipe A¡Úà}ìA¡¹ γà> ¡ú ™[ƒ ¤ÞꡳåJ "¹K¸à> >캹 íƒQ¸¢
is 20 cm, the length of the open organ pipe is 20 cm ÒÚ t¡ì¤ ëJàºà "¹K¸à> >캹 íƒQ¸¢ Òì¤
(1) 13·2 cm (1) 13·2 cm
(2) 12·5 cm (2) 12·5 cm
(3) 8 cm (3) 8 cm
(4) 16 cm (4) 16 cm
4. The volume (V) of a monatomic gas varies with 4. &A¡[i¡ š¹³àoåA¡ K¸àìι t¡àš³ày๠(T) ÎìU
its temperature (T), as shown in the graph. The
ratio of work done by the gas, to the heat "àÚt¡> (V) [>´• ¤[o¢t¡ ëºJ[W¡y ">åÎàì¹ š[¹¤[v¢¡t¡
absorbed by it, when it undergoes a change from ÒÚ ¡ú K¸àÎ[i¡¹ A "¤Ñ‚à ë=ìA¡ B "¤Ñ‚àÚ š[¹¤¹[v¢¡t¡
state A to state B, is Òìº K¸àÎ A¡[v¢¡A¡ Aõ¡t¡A¡à™¢ * KõÒãt¡ t¡àìš¹ ">åšàt¡

2 2
(1) (1)
5 5
1 1
(2) (2)
3 3
2 2
(3) (3)

3 3
2 2
(4) (4)
7 7
ALHCA/WW/Page 2 SPACE FOR ROUGH WORK English/Bengali

5. A battery consists of a variable number ‘n’ of 5. ‘n’ š[¹¤v¢¡ã Î}J¸à¹ ‘r’ "஡¸”z[¹> ë¹à싹 γ³àì>¹
identical cells (having internal resistance ‘r’ t¡[Øl¡; ëA¡àÈ ìÅøoã (Î}J¸à n š[¹¤[v¢¡t¡) γ¤àìÚ ™åv¡û¡
each) which are connected in series. The A¡¹à Òº ¡ú &¤à¹ ƒåÒü l¡ü@µåv¡û¡šøà”z Î}™åv¡û¡ A¡¹à Òº ¡ú &¤}
terminals of the battery are short-circuited and &Òü ¤‡ý¡ ¤t¢¡>ã¹ t¡[Øl¡; šø¤àÒ ³àyà I ³àšà Òº ¡ú I &¹
the current I is measured. Which of the graphs Îàì= n &¹ Î[k¡A¡ ëºJà[i¡y[i¡ Òº
shows the correct relationship between I and n ?

6. A carbon resistor of (47  4·7) k is to be marked 6. (47  4·7) k ³àì>¹ &A¡[i¡ ë¹à‹ìA¡ ëW¡>๠\>¸ ë¹à싹
with rings of different colours for its KàìÚ [¤[®¡Ä ¹}&¹ ¤ºÚ [ƒìÚ ¹[gìt¡ A¡¹à Òº ¡ú ¹}
identification. The colour code sequence will be ¤ºìÚ¹ Î[k¡A¡ yû¡³³à> Òì¤
(1) Violet – Yellow – Orange – Silver (1) ì¤P¡>ã – Òºåƒ – A¡³ºà – ¹ç¡šàºã
(2) Yellow – Green – Violet – Gold (2) Òºåƒ – Τå\ – ì¤P¡>ã – ìÎà>àºã
(3) Yellow – Violet – Orange – Silver (3) Òºåƒ – ë¤P¡>ã – A¡³ºà – ¹ç¡šàºã
(4) Green – Orange – Violet – Gold (4) Τå\ – A¡³ºà – ì¤P¡>ã – ìÎà>àºã
7. ‘n’ Î}J¸A¡ γ³àì>¹ ë¹à‹ ‘R’ ëÅøoã γ¤àìÚ ‘R’
7. A set of ‘n’ equal resistors, of value ‘R’ each, are
connected in series to a battery of emf ‘E’ and
"஡”z¹ã> ë¹à‹ * ‘E’ t¡[Øl¡; W¡àºA¡ ¤º (emf) [¤[ÅÊ¡
internal resistance ‘R’. The current drawn is I.
&A¡[i¡ t¡[Øl¡; ëA¡àìȹ ÎìU ëÅøoã γ¤àìÚ ™åv¡û¡ A¡¹à Òº ¡ú
Now, the ‘n’ resistors are connected in parallel to ëA¡àÈ [>ÑHþà[Ît¡ šø¤àÒ³àyà &ìÛ¡ìy I; &¤à¹ *Òü ‘n’
the same battery. Then the current drawn from Î}J¸A¡ ë¹à‹ìA¡ &A¡Òü t¡[Øl¡; ëA¡àìȹ ÎìU γà”z¹àº
battery becomes 10 I. The value of ‘n’ is γ¤àìÚ ™åv¡û¡ A¡¹à Òº &¤} &ìÛ¡ìy [>ÑHþà[Ît¡ šø¤àÒ³àyà
10 I ÒÚ ¡ú ‘n’ &¹ ³à>
(1) 10
(1) 10
(2) 20

(2) 20
(3) 11 (3) 11
(4) 9 (4) 9
ALHCA/WW/Page 3 SPACE FOR ROUGH WORK English/Bengali

8. Current sensitivity of a moving coil galvanometer 8. &A¡[i¡ W¡ºAå¡“¡ºã K¸àº®¡¸àì>[³i¡àì¹¹ ‹à¹à (šø™åv¡û¡
is 5 div/mA and its voltage sensitivity (angular
뮡àìºÒüì=ìA¡ l¡ü;šÄ ëA¡ï[>A¡ t¡ã¤øt¡à) Îåì¤[ƒt¡à
deflection per unit voltage applied) is 20 div/V.
5 div/mA &¤} &[i¡¹ [¤®¡¤Îåì¤[ƒt¡à 20 div/V;
The resistance of the galvanometer is
(1) 40 
*Òü¡K¸àº®¡¸àì>[³i¡àì¹¹ ë¹à‹ ¡ú
(1) 40 
(2) 250 
(2) 250 
(3) 25 
(3) 25 
(4) 500  (4) 500 
9. A metallic rod of mass per unit length
0·5 kg m
–1
is lying horizontally on a smooth
9. &A¡[i¡ ‹àt¡¤ ƒì“¡¹ &A¡A¡ íƒQ¸¢¹ ®¡¹ 0·5 kg m–1 &¤}
inclined plane which makes an angle of 30 with &[i¡ &A¡[i¡ ³Îõ> ">å®è¡[³ìi¡¹ Îàì= 30 ëA¡àì> "à>t¡
the horizontal. The rod is not allowed to slide t¡ìº ">å®è¡[³A¡ ®¡àì¤ ¹àJà Òº ¡ú 0·25 T l¡ü‡ý¢¡³åJã
down by flowing a current through it when a ëW¡ï´¬A¡ ëÛ¡y &¤} *Òü ƒì“¡ &A¡[i¡ [>[ƒ¢Ê¡ t¡[Øl¡; šø¤àÒ
magnetic field of induction 0·25 T is acting on it
³ày๠šø®¡àì¤ *Òü ƒì“¡¹ [šáìº šØl¡à "ài¡A¡àì>à Òº ú
in the vertical direction. The current flowing in
the rod to keep it stationary is
ƒ“¡ìA¡ [Ñ‚¹ ¹àJ๠\>¸ šø¤à[Òt¡ ‹à¹à Òìº ú
(1) 7·14 A
(1) 7·14 A
(2) 14·76 A
(2) 14·76 A
(3) 5·98 A
(3) 5·98 A
(4) 11·32 A
(4) 11·32 A

10. A thin diamagnetic rod is placed vertically 10. &A¡[i¡ šàt¡ºà [t¡¹ÆWå¡´¬A¡ìA¡ JàØl¡à ®¡àì¤ &A¡[i¡ t¡[Øl¡;
between the poles of an electromagnet. When the Wå¡´¬ìA¡¹ ƒå[i¡ ìšà캹 ³àc¡à³à[c¡ ¹àJà Òº ¡ú t¡[Øl¡; Wå¡´¬ìA¡¹
current in the electromagnet is switched on, then [¤ƒ¸åt¡ šø¤àÒ W¡àºå A¡¹ìº šàt¡[i¡ l¡ü‡ý¢¡³åìJ W¡ìº * t¡[Øl¡;
the diamagnetic rod is pushed up, out of the Wå¡´¬A¡ ëÛ¡ìy¹ ¤àÒüì¹ ë¤[Øl¡ìÚ ™àÚ ¡ú &ìÛ¡ìy [t¡¹ÆWå¡´¬A¡[i¡
horizontal magnetic field. Hence the rod gains
gravitational potential energy. The work
[A¡áåi¡à [Ñ‚[t¡Å[v¡û¡ Î\¢> A¡ì¹ ¡ú &Òü Å[v¡û¡ Î}KõÒãt¡ ÒÚ
required to do this comes from (1) [¤ƒ¸åt¡ l¡ü;Î ë=ìA¡
(1) the current source (2) [t¡¹ÆWå¡´¬ìA¡¹ l¡üšàƒàì> \àºA¡ãÚ Kk¡> ë=ìA¡
(2) the lattice structure of the material of the
(3) ìW¡ï´¬A¡ ëÛ¡y ë=ìA¡
rod
(3) the magnetic field (4) ìW¡ï´¬A¡ ëÛ¡ìy¹ š[¹¤v¢¡ì> "àì¤[Åt¡ t¡[Øl¡; ëÛ¡ìy¹
(4) the induced electric field due to the \>¸
changing magnetic field
11. 20 mH ³àì>¹ Ѭàì¤Å, 100 F ³àì>¹ &A¡[i¡ ‹à¹A¡ *
11. An inductor 20 mH, a capacitor 100 F and a
resistor 50  are connected in series across a
50  ³àì>¹ &A¡[i¡ ë¹à‹, t¡[Øl¡; W¡àºA¡ ¤º (emf),
source of emf, V = 10 sin 314 t. The power loss in &A¡[i¡ V = 10 sin 314 t l¡ü;ìι Î}ìK ëÅøoã γ¤àìÚ
the circuit is ™åv¡û¡ A¡¹à Òº ¡ú &Òü ¤t¢¡>ãìt¡ Û¡³t¡à¹ ¤¸àÚ
(1) 0·79 W (1) 0·79 W
(2) 2·74 W

(2) 2·74 W
(3) 0·43 W (3) 0·43 W
(4) 1·13 W (4) 1·13 W

ALHCA/WW/Page 4 SPACE FOR ROUGH WORK English/Bengali

12. An object is placed at a distance of 40 cm from a 12. 15 cm ëó¡àA¡à΃å¹â« [¤[ÅÊ¡ &A¡[i¡ "¤t¡º ƒš¢ì>¹ Îà³ì>
concave mirror of focal length 15 cm. If the object 40 cm ƒåì¹ &A¡[i¡ ¤Ññ[¤´¬ ¹àJà Òº ¡ú *Òü ¤Ññ[¤´¬ìA¡ "Û¡
is displaced through a distance of 20 cm towards ¤¹à¤¹ 20 cm ƒš¢ì>¹ [ƒìA¡ &[KìÚ [>ìÚ ëKìº
the mirror, the displacement of the image will be šø[t¡[¤ì´¬¹ ι>
(1) 30 cm away from the mirror
(1) ƒš¢> ë=ìA¡ 30 cm ƒåì¹
(2) 30 cm towards the mirror
(2) ƒš¢ì>¹ [ƒìA¡ 30 cm A¡àìá
(3) 36 cm away from the mirror
(3) ƒš¢> ë=ìA¡ 36 cm ƒåì¹
(4) 36 cm towards the mirror
(4) ƒš¢ì>¹ [ƒìA¡ 36 cm A¡àìá
13. An em wave is propagating in a medium with a 
 ^
velocity V = V i . The instantaneous oscillating 13. &A¡[i¡ ³à‹¸ì³ t¡[Øl¡; Wå¡´¬A¡ t¡¹ìU¹ K[t¡ì¤K V = V ^i
electric field of this em wave is along +y axis.
&Òü t¡¹ìU¹ t¡[Øl¡; l¡üšà}ìŹ t¡à;Û¡[oA¡ ³à> + y "Û¡
Then the direction of oscillating magnetic field of
¤¹à¤¹ Òìº "à>åÎ[UA¡ ëW¡ï´¬A¡ l¡üšà}ìŹ ³àì>¹
[ƒA¡[>샢ŠÒì¤
the em wave will be along
(1) – z ¤¹à¤¹
(1) – z direction
(2) – y direction (2) – y ¤¹à¤¹
(3) + z direction (3) + z ¤¹à¤¹
(4) – x direction (4) – x ¤¹à¤¹

14. The magnetic potential energy stored in a certain
14. &A¡[i¡ Ѭàì¤Å Aå¡“¡ºãìt¡ 60 mA [¤ƒ¸å; šø¤àìÒ¹ ó¡ìº
inductor is 25 mJ, when the current in the
*[i¡¹ Î[e¡t¡ ëW¡ï´¬A¡ [Ñ‚[t¡ Å[v¡û¡¹ š[¹³à> 25 mJ ¡ú
inductor is 60 mA. This inductor is of inductance
Aå¡“¡ºã¹ Ѭàì¤ÅàS¡
(1) 0·138 H
(1) 0·138 H
(2) 1·389 H
(2) 1·389 H
(3) 138·88 H
(4) 13·89 H (3) 138·88 H
(4) 13·89 H
15. The refractive index of the material of a prism is
2 and the angle of the prism is 30. One of the 15. &A¡[i¡ šõ[\ì³¹ l¡üšàƒàì>¹ šø[t¡ Τà} 2 &¤} šõ[\³
two refracting surfaces of the prism is made a ëA¡à> 30; šõ[\³[i¡¹ ƒå[i¡ t¡ìº¹ &A¡[i¡ t¡º ¹ç¡ìšà¹
mirror inwards, by silver coating. A beam of šø캚[ƒìÚ "”z³èJã ƒš¢ì> š[¹>t¡ A¡¹à ÒìÚìá ¡ú ">¸
monochromatic light entering the prism from the
t¡ìº &A¡[i¡ &A¡¤o¢ã "àìºàA¡¹[Ƶ "àš[t¡t¡ Òìº ëÎ[i¡
other face will retrace its path (after reflection
¹ç¡ìšà¹ (ƒš¢> t¡ìº šø[t¡ó¡[ºt¡ ÒìÚ &A¡Òü šì= ëó¡¹;
from the silvered surface) if its angle of incidence
™àÚ) ¡ú *Òü ¹[Ƶ¹ "àšàt¡> ëA¡à>
on the prism is
(1) 60
(1) 60
(2) 30
(2) 30

(3) 45
(3) 45
(4) zero (4) Åè>¸
ALHCA/WW/Page 5 SPACE FOR ROUGH WORK English/Bengali

16. In the circuit shown in the figure, the input 16. [>´• "[S¡t¡ ¤t¢¡>ãìt¡ [>ì¤Å [¤®¡¤ (Vi) Òº 20 V,
voltage Vi is 20 V, VBE = 0 and VCE = 0. The VBE = 0 &¤} VCE = 0; IB, IC &¤}  &¹ ³à>
values of IB, IC and  are given by ™=àyû¡ì³

(1) IB = 40 A, IC = 10 mA,  = 250 (1) IB = 40 A, IC = 10 mA,  = 250

(2) IB = 20 A, IC = 5 mA,  = 250 (2) IB = 20 A, IC = 5 mA,  = 250

(3) IB = 25 A, IC = 5 mA,  = 200 (3) IB = 25 A, IC = 5 mA,  = 200

(4) IB = 40 A, IC = 5 mA,  = 125 (4) IB = 40 A, IC = 5 mA,  = 125

17. In a p-n junction diode, change in temperature 17. t¡àš šøìÚàìK¹ ó¡ìº &A¡[i¡ p-n Î}ì™àK l¡à*ìl¡¹
due to heating t¡àš³àyà ¤õ[‡ý¡ Qìi¡, ó¡ìº
(1) affects only reverse resistance (1) Ç¡‹å³ày [¤š¹ãt¡ ([¹®¡à΢) ë¹à‹ìA¡ šø®¡à[¤t¡
(2) does not affect resistance of p-n junction
A¡ì¹ ¡ú
(2) *Òü p-n Î}ì™àìK ëA¡à>* šø®¡à¤ šìØl¡ >à ¡ú
(3) affects only forward resistance
(3) Ç¡‹å ³ày "KøKà³ã (ó¡ì¹àÚàl¢¡) ë¹à‹ìA¡ šø®¡à[¤t¡
(4) affects the overall V – I characteristics of
p-n junction
A¡ì¹ ¡ú
(4) *Òü p-n Î}ì™àìK¹ šåì¹à V – I í¤[ÅÊ¡ìA¡ šø®¡à[¤t¡
18. In the combination of the following gates the A¡ì¹ ¡ú
output Y can be written in terms of inputs A and
B as 18. [>´• "[S¡t¡ º[\A¡ ëKi¡ &¹ γ¤àìÚ A &¤} B [>ì¤ìŹ
Y ÎàìšìÛ¡ [>´•[º[Jt¡ ëA¡à> γãA¡¹>[i¡ Î[k¡A¡

(1) A.B (1) A.B
(2) A.B +A.B (2) A.B +A.B

– – – –
(3) A. B + A .B (3) A. B + A .B
(4) AB (4) AB
ALHCA/WW/Page 6 SPACE FOR ROUGH WORK English/Bengali

19. Unpolarised light is incident from air on a plane 19. ¤àÚå ³à‹¸³ ë=ìA¡ &A¡[i¡ "àìºàA¡ ¹[Ƶ ‘’ šø[t¡Îà¹à}ìS¡¹
surface of a material of refractive index ‘’. At a ">¸ &A¡[i¡ ³à‹¸ì³¹ [¤®¡v¡û¡ γt¡ìº "àš[t¡t¡ ÒÚ ¡ú
particular angle of incidence ‘i’, it is found that ëA¡à>* [>[ƒ¢Ð¡ "àšàt¡> ëA¡à> ‘i’ Òìº ëƒJà ™àÚ
the reflected and refracted rays are
šø[t¡ó¡[ºt¡ * šø[t¡Î[¹t¡ ¹[Ƶ š¹Ñš¹ º´¬®¡àì¤ =àìA¡ ¡ú
perpendicular to each other. Which of the
&Òü ëÛ¡ìy [>´•v¡û¡ ëA¡à> ¤o¢>à[i¡ Î[k¡A¡ ?
following options is correct for this situation ?

(1) Reflected light is polarised with its electric
(1) šø[t¡ó¡[ºt¡ ¹[Ƶ γ¤[v¢¡t¡ ÒÚ &¤} *[i¡¹ t¡[Øl¡;
vector parallel to the plane of incidence 뮡C¡¹[i¡ "àšàt¡> t¡ìº¹ ÎìU &A¡Òü γt¡ìº
=àìA¡
–1  1 
(2) i = sin  
 –1  1 
(2) i = sin  

(3) Reflected light is polarised with its electric
vector perpendicular to the plane of (3) šø[t¡ó¡[ºt¡ ¹[Ƶ γ¤[v¢¡t¡ ÒÚ &¤} *[i¡¹ t¡[Øl¡;
incidence 뮡C¡¹[i¡ "àšàt¡> t¡ìº¹ º´¬ ®¡àì¤ =àìA¡
–1  1  –1  1 
(4) i = tan   (4) i = tan  
 

20. In Young’s double slit experiment the separation 20. &A¡[i¡ ÒüÚ}&¹ [‡[በš¹ãÛ¡àÚ [ቇìÚ¹ šà¹Ñš[¹A¡
d between the slits is 2 mm, the wavelength  of
ƒå¹â« d Òº 2 mm, "àš[t¡t¡ "àìºà¹ t¡¹UîƒQ¸¢  &¹
the light used is 5896 Å and distance D between
³à> 5896 Å &¤} šƒ¢à ë=ìA¡ [ቇìÚ¹ ƒå¹â« D &¹ ³à>
the screen and slits is 100 cm. It is found that the
100 cm ¡ú ëƒJà™àÚ l¡ü;šÄ c¡àºì¹¹ ëA¡ï[>A¡ ¤¸¤‹à>
angular width of the fringes is 0·20. To increase
the fringe angular width to 0·21 (with same  0.20; &Òü ëA¡ï[>A¡ ¤¸¤‹à> 0.21 A¡¹ìt¡ Òìº ( &¤}

and D) the separation between the slits needs to D) ëA¡ "š[¹¤[v¢¡t¡ ë¹ìJ [ቇìÚ¹ ƒå¹ì⫹ ³à> A¡¹ìt¡
be changed to Òì¤
(1) 1·8 mm (1) 1·8 mm
(2) 2·1 mm (2) 2·1 mm
(3) 1·9 mm (3) 1·9 mm
(4) 1·7 mm (4) 1·7 mm

21. An astronomical refracting telescope will have 21. &A¡[i¡ ³Òà\àK[t¡A¡ šø[t¡Îà¹A¡ ƒå¹[¤Û¡o ™ì”|¹ ëA¡ï[>A¡
large angular magnification and high angular [¤¤‹¢> * ëA¡ï[>A¡ [¤ëÅÃÈìo¹ ³à> "[‹A¡ Òì¤ ™J>,
resolution, when it has an objective lens of "[®¡ºÛ¡ ëºX[i¡¹
(1) small focal length and large diameter (1) A¡³ ëó¡àA¡àÎ ƒå¹â« &¤} "[‹A¡ ¤¸àÎ
(2) large focal length and large diameter
(2) "[‹A¡ ëó¡àA¡àÎ ƒå¹â« &¤} "[‹A¡ ¤¸àÎ

(3) large focal length and small diameter
(3) "[‹A¡ ëó¡àA¡àÎ ƒå¹â« &¤} A¡³ ¤¸àΡ
(4) small focal length and small diameter
(4) A¡³ ëó¡àA¡àÎ ƒå¹â« &¤} A¡³ ¤¸àÎ
ALHCA/WW/Page 7 SPACE FOR ROUGH WORK English/Bengali

22. A tuning fork is used to produce resonance in a 22. &A¡[i¡ Îå¹ÎºàA¡à¹ ÎàÒà외 &A¡[i¡ A¡àìWò¡¹ >ìº ">å>àƒ
glass tube. The length of the air column in this
tube can be adjusted by a variable piston. At Îõ[С A¡¹à ÒÚ ¡ú *Òü >캹 ¤àÚåÑzì´±¹ íƒQ¸¢ &A¡[i¡
room temperature of 27C two successive [šÐ¡ì>¹ ÎàÒà외 [>[ƒ¢Ê¡ A¡¹à ÒÚ ¡ú 27C t¡àš³àyàÚ
resonances are produced at 20 cm and 73 cm of ¤àÚåÑzì´±¹ íƒQ¸¢ 20 cm * 73 cm Òìº š¹š¹ ƒå[i¡
column length. If the frequency of the tuning fork
is 320 Hz, the velocity of sound in air at 27C is ">å>à샹 Îõ[Ê¡ ÒÚ ¡ú Îå¹ÎºàA¡à¹ A¡Úà}A¡ 320 Hz Òìº
(1) 330 m/s 27C t¡àš³ày๠Å즹 K[t¡ì¤K ¡ú

(2) 350 m/s (1) 330 m/s

(3) 339 m/s (2) 350 m/s
(4) 300 m/s (3) 339 m/s
(4) 300 m/s
23. A pendulum is hung from the roof of a
sufficiently high building and is moving freely to 23. ™ì=Ê¡ l¡üZW¡t¡à¹ &A¡[i¡ ¤àØl¡ã¹ áàƒì=ìA¡ &A¡[i¡
and fro like a simple harmonic oscillator. The ëƒàºA¡-[šr¡ cå¡[ºìÚ ëƒ*ÚàÚ Î¹º ëƒàºK[t¡ δšÄ
acceleration of the bob of the pendulum is
2 ÒÚ ¡ú ™J> K[t¡Å㺠"¤Ñ‚àÚ [šr¡[i¡¹ Î೸à¤Ñ‚à ì=ìA¡
20 m/s at a distance of 5 m from the mean
position. The time period of oscillation is ƒå¹w 5 m t¡J> t¡à¹ ⫹o 20 m/s2 ¡ú ëƒàºA¡[i¡¹
(1) 2 s
š™¢àÚA¡àº
(1) 2 s
(2) 2s
(2) 2s
(3) s
(3) s
(4) 1s
(4) 1s
24. The electrostatic force between the metal plates
of an isolated parallel plate capacitor C having a 24. &A¡[i¡ Ѭt¡”| γà”z¹àº-šàt¡ ‹à¹ìA¡¹ ‹à¹A¡â« C,
charge Q and area A, is šø[t¡Kàìt¡ "à‹àì>¹ š[¹³ào Q &¤} ëÛ¡yó¡º A Òìº
(1) independent of the distance between the šàt¡ƒå[i¡¹ ³ì‹¸ [Ñ‚¹t¡[Øl¡; \[>t¡ ¤º
plates.
(1) šàt¡ ‡ìÚ¹ ƒè¹ì⫹ l¡üš¹ [>®¢¡¹ Å㺠>Ú ú
(2) proportional to the square root of the
distance between the plates. (2) šàt¡ ‡ìÚ¹ º´¬ƒå¹ì⫹ ¤K¢³å캹 γà>åšàt¡ã ú
(3) linearly proportional to the distance (3) šàt¡ ‡ìÚ¹ º´¬ƒå¹ì⫹ γà>åšàt¡ã ¡ú
between the plates.
(4) šàt¡ ‡ìÚ¹ º´¬ƒå¹ì⫹ ¤¸Ñzà>åšàt¡ã ú
(4) inversely proportional to the distance
between the plates. 25. º´¬ l¡ü‡¢ý¡³åìJ šøƒv¡ &A¡[i¡ E t¡[Øl¡; ëÛ¡yšøऺ¸ [¤[ÅÊ¡
25. An electron falls from rest through a vertical Ñ‚àì> &A¡[i¡ ÒüìºA¡i¡ö> [Ñ‚¹ "¤Ñ‚à> ë=ìA¡ [>´•³åJã h ƒå¹â«
distance h in a uniform and vertically upward "[t¡yû¡³ A¡ì¹ ¡ú š[¹³ào &A¡Òü ì¹ìJ t¡[Øl¡; ëÛ¡y[i¡¹
directed electric field E. The direction of electric [ƒA¡ l¡üºìi¡ ëƒ*Úà Òº ¡ú &¤à¹ &A¡[i¡ ëšøài¡> &Òü t¡[Øl¡;
field is now reversed, keeping its magnitude the
same. A proton is allowed to fall from rest in it ëÛ¡ìy [Ñ‚¹ "¤Ñ‚à ë=ìA¡ &A¡Òü ®¡àì¤ h ƒå¹â« "[t¡yû¡³
through the same vertical distance h. The time of A¡ì¹ ¡ú ëšøài¡ì>¹ t塺>àÚ ÒüìºA¡i¡öì>¹ št¡ì>¹ "[t¡yû¡à”z
fall of the electron, in comparison to the time of γÚ
fall of the proton is
(1) A¡³
(1) smaller
(2) 10 times greater (2) 10 P¡o ë¤Åã

(3) 5 times greater (3) 5 P¡o ë¤Åã
(4) equal (4) &A¡Òü

ALHCA/WW/Page 8 SPACE FOR ROUGH WORK English/Bengali

26. The kinetic energies of a planet in an elliptical 26. Îè왢¹ W¡tè¡[ƒ¢ìA¡ l¡üš¤õv¡àA¡à¹ šì= Qèo¢>A¡àìº A, B &¤}
orbit about the Sun, at positions A, B and C are
C [¤ƒ¸åìt¡ &A¡[i¡ KøìÒ¹ K[t¡Å[v¡û¡ ™=àyû¡ì³ KA, KB &¤}
KA, KB and KC, respectively. AC is the major
KC ¡ú l¡üš¤õìv¡¹ ³åJ¸ "Û¡ AC &¤} Îè왢¹ [Ñ‚[t¡ S Òìº
axis and SB is perpendicular to AC at the
position of the Sun S as shown in the figure. SB [W¡yà>åÎ๠ƒãQ¢ Òìº AC *š¹ º´¬ ú t¡J>
Then

(1) KA < KB < KC
(1) KA < KB < K C

(2) KB < KA < K C (2) KB < KA < K C

(3) KA > KB > K C (3) KA > KB > K C

(4) KB > KA > K C (4) KB > KA > K C

27. A solid sphere is in rolling motion. In rolling 27. &A¡[i¡ [>ì¹i¡ ëºàºA¡ &A¡[i¡ >t¡t¡º ¤¹à¤¹ K[Øl¡ìÚ¡
motion a body possesses translational kinetic
energy (Kt) as well as rotational kinetic energy šØl¡ìá ¡ú K[Øl¡ìÚ W¡ºàÚ *Òü ëKàºA¡[i¡¹ í¹[JA¡ K[t¡Å[v¡û¡
(Kr) simultaneously. The ratio Kt : (Kt + Kr) for (Kt) &¤} Qåo¢> K[t¡Å[v¡û¡ (Kr) ƒå[i¡Òü ¤t¢¡³à> ¡ú &ìÛ¡ìy
the sphere is Kt : (Kt + Kr) &¹ ³à>
(1) 7 : 10 (1) 7 : 10
(2) 10 : 7
(2) 10 : 7
(3) 5:7
(3) 5:7
(4) 2:5
(4) 2:5
28. A solid sphere is rotating freely about its
symmetry axis in free space. The radius of the 28. &A¡[i¡ [>ì¹i¡ ëKàºA¡ ³åv¡û¡ "¤Ñ‚àÚ t¡à¹ ³åJ¸ "ìÛ¡¹
sphere is increased keeping its mass same.
Which of the following physical quantities would W¡tå¡[ƒ¢ìA¡ "¤àì‹ Qå¹ìá ¡ú ëKàºA¡[i¡ ®¡¹ [Ñ‚¹ ë¹ìJ *[i¡¹
remain constant for the sphere ? ¤¸àÎ¢à‹¸ ¤õ[‡ý¡ A¡¹à Òº ¡ú [>´•v¡û¡ ëA¡à> 쮡ït¡¹àÅã¹ ³à>
(1) Angular velocity *Òü ëKàºìA¡¹ \>¸ "š[¹¤[t¢¡t¡ =àA¡ì¤
(2) Rotational kinetic energy (1) ìA¡ï[>A¡ K[t¡ì¤K
(3) Moment of inertia
(2) Qåo¢ì>¹ K[t¡Å[v¡û¡
(4) Angular momentum
(3) \àl¡¸ °à³A¡
29. If the mass of the Sun were ten times smaller (4) ìA¡ï[>A¡ ®¡¹ì¤K
and the universal gravitational constant were
ten times larger in magnitude, which of the 29. ™[ƒ Îè외¢¹ ®¡¹ ƒÅ P¡o A¡ì³ ™àÚ &¤} ³ÒàA¡[È¢Ú ‹ø硤ìA¡¹
following is not correct ?
³à> ƒÅ P¡o ë¤ìØl¡ ™àÚ t¡ì¤ [>´•[º[Jt¡ ëA¡à> yç¡[i¡šè¤¢ ?
(1) Raindrops will fall faster.
(1) ¤õ[Ê¡¹ ëóò¡ài¡à "à¹* ‰ç¡t¡ì¤ìK šØl¡ì¤ ¡ú
(2) Time period of a simple pendulum on the
Earth would decrease. (2) ®è¡šõË¡ ιº ëƒàºìA¡¹ ëƒàº> A¡àº A¡ì³ ™àì¤ ¡ú

(3) Walking on the ground would become more
(3) ®è¡šõË¡ Òऋ "à¹* A¡Ð¡A¡¹ Òì¤ ¡ú
difficult.
(4) ‘g’ on the Earth will not change. (4) šõ=ã¤ãìt¡ ‘g’ &¹ ³à> "š[¹¤[t¢¡t¡ =àA¡ì¤ ú

ALHCA/WW/Page 9 SPACE FOR ROUGH WORK English/Bengali


30. A toy car with charge q moves on a frictionless 30. q "à‹àì> "à[Òt¡ &A¡[i¡ ëJº>à KàØl¡ã E ÎåͶ t¡[Øl¡;
horizontal plane surface under the influence of a ëÛ¡ìy¹ šø®¡àì¤ &A¡[i¡ ">å®è¡[³A¡ γt¡ìº W¡º³à> ¡ú
 
uniform electric field E . Due to the force q E , 
q E ¤ìº¹ šø®¡àì¤ 1 ëÎìA¡ì“¡ *[i¡¹ K[t¡ì¤K ë¤ìØl¡
its velocity increases from 0 to 6 m/s in one
0 ì=ìA¡ 6 m/s ÒÚ ¡ú [k¡A¡ ëÎÒü ³å×ìv¢¡ t¡[Øl¡; ëÛ¡y[i¡¹
second duration. At that instant the direction of
the field is reversed. The car continues to move [ƒA¡ l¡üìÂi¡ ëƒ*Úà ÒÚ &¤} ëÎÒü ëÛ¡ìy¹ šø®¡àì¤ ëJº>à[i¡
for two more seconds under the influence of this "à¹* 2 ëÎìA¡ì“¡ W¡ìº ™àÚ ¡ú 0 ì=ìA¡ 3 ëÎìA¡ì“¡¹
field. The average velocity and the average speed ³ì‹ ëJº>à KàØl¡ã[i¡¹ KØl¡ K[t¡ì¤K * KØl¡‰ç¡[t¡ ™=àyû¡ì³
of the toy car between 0 to 3 seconds are (1) 2 m/s, 4 m/s
respectively (2) 1 m/s, 3·5 m/s
(1) 2 m/s, 4 m/s (3) 1 m/s, 3 m/s
(2) 1 m/s, 3·5 m/s (4) 1·5 m/s, 3 m/s
(3) 1 m/s, 3 m/s 31. [W¡yà>åÎàì¹  ëA¡àì> "à>t¡ &A¡[i¡ ³Îõ> t¡ìº ë¤\
(4) 1·5 m/s, 3 m/s
ABC *š¹ &A¡[i¡ m ®¡ì¹¹ ¤ÃA¡ ¹àJà "àìá ¡ú *Òü ¤Ññ¹
31. A block of mass m is placed on a smooth inclined
wedge ABC of inclination  as shown in the l¡üš¹ ">å®è¡[³A¡ ¤¹à¤¹ &A¡[i¡ ⫹o ‘a’ šøƒà> A¡¹à Òº ¡ú
figure. The wedge is given an acceleration ‘a’ ¤ÃA¡[i¡ ìA¡ ë¤K &¹ *š¹ [Ñ‚¹ ¹àJ๠\>¸ a &¤} &¹
towards the right. The relation between a and  ³ì‹¸ δ¬Þê¡ Ò줡
for the block to remain stationary on the wedge
is

g
(1) a=
g cosec 
(1) a=
cosec  (2) a = g cos 
(2) a = g cos  g
(3) a=
g sin 
(3) a=
sin  (4) a = g tan 
(4) a = g tan   ^ ^ ^
 ^ ^ ^ 32. (2, 0, – 3) [¤@ƒåìt¡ šø™åv¡û¡ ¤º F = 4 i + 5 j – 6 k
32. The moment of the force, F = 4 i + 5 j – 6 k at
(2, 0, – 3), about the point (2, – 2, – 2), is given by
&¹ (2, – 2, – 2) [¤@ƒå¹ ÎàìšìÛ¡ l¡üŠ±æt¡ °à³A¡
^ ^ ^
^ ^ ^ (1) – 8 i – 4 j – 7 k
(1) – 8 i – 4 j – 7 k
^ ^ ^
^ ^ ^ (2) – 7 i – 8 j – 4 k
(2) – 7 i – 8 j – 4 k
^ ^ ^
^ ^ ^ (3) – 4 i – j – 8 k
(3) – 4 i – j – 8 k
^ ^ ^
^ ^ ^ (4) – 7 i – 4 j – 8 k
(4) – 7 i – 4 j – 8 k
33. A student measured the diameter of a small steel 33. 0.001 cm "¿t¡³à}A¡ ([ºÐ¡ A¡àl¡ü@i¡) [¤[ÅÊ¡ &A¡[i¡
ball using a screw gauge of least count ÑIæ¡-Kì>¹ ÎàÒà외 &A¡[i¡ áày &A¡[i¡ ÒüÍšàt¡¡¹ ¤ìº¹
0·001 cm. The main scale reading is 5 mm and
zero of circular scale division coincides with ¤¸àÎ š[¹³àš A¡¹ìá ¡ú ëƒJà ™àÚ ³åJ¸ ³àš 5 mm &¤}
25 divisions above the reference level. If screw ¤yû¡ "}ÅàS¡ì>¹ 25 ƒàK ®¡àK l¡üšì¹ "àìá ¡ú ™[ƒ
gauge has a zero error of – 0·004 cm, the correct
diameter of the ball is
ÑIæ¡-Kì>¹ Ç¡>¸-yç¡[i¡ – 0.004 cm ÒÚ ¤º[i¡¹ Î[k¡A¡ ¤¸àÎ
(1) 0·521 cm

(1) 0·521 cm
(2) 0·053 cm (2) 0·053 cm
(3) 0·525 cm (3) 0·525 cm
(4) 0·529 cm (4) 0·529 cm
ALHCA/WW/Page 10 SPACE FOR ROUGH WORK English/Bengali

34. Which one of the following statements is 34. [>ìW¡¹ ëA¡à> ¤o¢>à[i¡ yç¡[i¡ šèo¢ ?
incorrect ?
(1) "à¤v¢¡ QÈ¢o P¡oà}A¡ [¤ÈK¢ QÈ¢o P¡oà}A¡ ë=ìA¡
(1) Rolling friction is smaller than sliding A¡³ ¡ú
friction.
(2) QÈ¢o Q[i¡t¡ ¤º šà¹Ñš[¹A¡ K[t¡¹ [¤š[¹ìt¡ A¡à\
(2) Frictional force opposes the relative motion. A¡ì¹ ¡ú
(3) Limiting value of static friction is directly
(3) [Ñ‚[t¡ QÈ¢o P¡oà}ìA¡¹ W¡¹³³à> º´¬ šø[t¡[yû¡Úà¹
proportional to normal reaction.
γà>åšà[t¡ ¡ú
(4) Coefficient of sliding friction has
dimensions of length. (4) [¤ÈK¢ QÈ¢ìo¹ P¡oà}ìA¡¹ íƒQ¸¢ ³àyà γà> ÒÚ ú

35. Three objects, A : (a solid sphere), B : (a thin 35. [t¡>[i¡ ¤Ññ, A : (&A¡[i¡ [>ì¹i¡ ëKàºA¡), B : (&A¡[i¡
circular disk) and C : (a circular ring), each have ¤õv¡àA¡à¹ W¡àA¡[t¡) &¤} C : (&A¡[i¡ ¤õv¡àA¡à¹ ¤ºÚ)
the same mass M and radius R. They all spin šøìt¡¸ìA¡¹ ®¡¹ M &¤} ¤¸àÎ[i¡ R ¡ú šøìt¡¸A¡[i¡ γà>
with the same angular speed  about their own ëA¡ï[>A¡ K[t¡ì¤ìK  [>ìÚ [>ì\¹ ³åJ¸ "ìÛ¡¹ W¡tå¡[ƒ¢ìA¡
symmetry axes. The amounts of work (W) Qå¹ìá ¡ú *P¡[º [Ñ‚¹ "¤Ñ‚àÚ "à>๠\>¸ Aõ¡t¡A¡à™¢
required to bring them to rest, would satisfy the
relation
™=àyû¡ì³ (W) Òìº Î[k¡A¡ yû¡³[i¡ Òì¤
(1) WC > WB > WA
(1) WC > WB > WA
(2) WB > WA > WC
(2) WB > WA > WC
(3) WA > WB > WC
(3) WA > WB > WC
(4) WA > WC > WB
(4) WA > WC > WB
36. A moving block having mass m, collides with 36. m ®¡ì¹¹ &A¡[i¡ K[t¡Å㺠¤Ññ 4m ®¡¹[¤[ÅÊ¡ [Ñ‚¹ ¤ÑñìA¡
another stationary block having mass 4m. The "àQàt¡ A¡ì¹ ¡ú "àQàìt¡¹ ó¡ìº ÒàºA¡à ¤Ññ[i¡ [Ñ‚¹ "¤Ñ‚àÚ
lighter block comes to rest after collision. When =àìA¡ ¡ú ™[ƒ ÒàºA¡à ¤Ññ[i¡¹ šøà=[³A¡ K[t¡ì¤K v ÒÚ, t¡ì¤
the initial velocity of the lighter block is v, then ëÎ[i¡¹ šøt¡¸à¤Ñ‚à> P¡oà}A¡ (e) ³à> Òì¤
the value of coefficient of restitution (e) will be
(1) 0·5
(1) 0·5
(2) 0·8
(2) 0·8
(3) 0·25
(3) 0·25
(4) 0·4
(4) 0·4
37. A body initially at rest and sliding along a
37. &A¡[i¡ "à>t¡ t¡ìº¹ h l¡üZW¡t¡à ë=ìA¡ &A¡[i¡ ¤Ññ *Òü
frictionless track from a height h (as shown in t¡ìº¹ Kà ì¤ìÚ [šáìº šìØl¡ &¤} t¡ìº¹ ®è¡[³ Î[Ä[Òt¡
the figure) just completes a vertical circle of &A¡[i¡ AB = D ¤¸àìι l¡üº´¬ ¤õv¡àA¡à¹ š= šèo¢ A¡ì¹,
diameter AB = D. The height h is equal to t¡J> h l¡üZW¡t¡à Òì¤

3 3
(1) D (1) D
2 2
7 7
(2) D (2) D
5 5

(3) D (3) D
5 5
(4) D (4) D
4 4
ALHCA/WW/Page 11 SPACE FOR ROUGH WORK English/Bengali

38. Two wires are made of the same material and 38. ƒå[i¡ t¡àì¹¹ "àÚt¡> &¤} l¡üšàƒà> γà> ¡ú šø=³ &¤}
have the same volume. The first wire has
cross-sectional area A and the second wire has
[‡t¡ãÚ t¡àì¹¹ šøÑzìZá샹 ëÛ¡yó¡º ™=àyû¡³ A &¤} 3A;
cross-sectional area 3A. If the length of the first F ¤ìº¹ šø®¡àì¤ i¡à>ìº šø=³ t¡à¹[i¡¹ íƒQ¸¢¤õ[‡ý¡ l Òìº
wire is increased by  l on applying a force F, A¡t¡ ¤º šøìÚàìK [‡t¡ãÚ t¡àì¹¹ ëÛ¡ìy* &A¡Òü š[¹³à>
how much force is needed to stretch the second
wire by the same amount ?
íƒQ¸¢¤õ[‡ý¡ Òì¤ ?
(1) 9F
(1) 9F
(2) 4F
(2) 4F
(3) 6F
(3) 6F
(4) F
(4) F
39. A sample of 0·1 g of water at 100C and normal 39. 100C t¡àš³àyàÚ 0.1 g š[¹³à> \캹 >³å>àìA¡ šø³ào
5 –2
pressure (1·013  10 Nm ) requires 54 cal of W¡àìš (1·013  105 Nm–2) 54 cal t¡àšÅ[v¡û¡ šøìÚàìK
heat energy to convert to steam at 100C. If the 100C t¡àš³ày๠[Ð¡ì³ ¹ç¡šà”z[¹t¡ A¡¹à ™àÚ ¡ú l¡üŠ±æt¡
volume of the steam produced is 167·1 cc, the [С쳹 "àÚt¡> 167.1 cc Òìº >³å>à[i¡¹ "஡¸”z[¹o
change in internal energy of the sample, is Å[v¡û¡¹ š[¹¤t¢¡>
(1) 104·3 J (1) 104·3 J
(2) 42·2 J (2) 42·2 J
(3) 208·7 J (3) 208·7 J
(4) 84·5 J (4) 84·5 J
40. The power radiated by a black body is P and it
40. &A¡[i¡ Aõ¡Ì¡¤Ññ A¡[v¢¡A¡ [¤[A¡[¹t¡ Å[v¡û¡ P &¤} &[i¡ 0
radiates maximum energy at wavelength, 0. If
t¡¹UîƒìQ¢ Τ¢à[‹A¡ Å[v¡û¡ [¤[A¡[¹t¡ A¡ì¹ ú &J> *Òü
the temperature of the black body is now Aõ¡Ì¡¤Ññ¹ t¡àš³àyà š[¹¤t¢¡> A¡¹à¹ ó¡ìº ë™ t¡¹UîƒìQ¸¢
changed so that it radiates maximum energy at Î줌¢àZW¡ Å[v¡û¡ [¤[A¡[¹t¡ ÒÚ ëÎ[i¡ Òº 3 0; &Òü "¤Ñ‚àÚ
3 4
wavelength  , the power radiated by it [¤[A¡[¹t¡ Å[v¡û¡ nP Òìº ¡n &¹ ³à>
4 0
becomes nP. The value of n is 3
(1)
3 4
(1)
4 256
(2)
256 81
(2)
81 4
(3)
4 3
(3)
3 81
(4)
81 256
(4)
256 41. ‘r’ ¤¸àÎà싸¢¹ &A¡[i¡ [>ì¹i¡ ¤ºìA¡ [Ñ‚¹ "¤Ñ‚àÚ &A¡[i¡
41. A small sphere of radius ‘r’ falls from rest in a ÎàÞøý¡ t¡¹ìº ëó¡ºà Òº ¡ú &Òü ÎàÞøý¡ t¡¹ìº W¡ºà¹ ó¡ìº
viscous liquid. As a result, heat is produced due
to viscous force. The rate of production of heat
ÎàÞøý¡t¡à ¤ìº¹ šø®¡àì¤ "šÅ[v¡û¡¹ l¡ü;š[v¡ ÒÚ ¡ú ¤º[i¡
when the sphere attains its terminal velocity, is šøà[”zA¡ K[t¡ šà¤à¹ š¹ K[t¡Å[v¡û¡¹ l¡ü;šàƒì>¹ Òà¹
proportional to 3
(1) r
3
(1) r 5
5 (2) r

(2) r
2
(3) r
2 (3) r
4 4
(4) r (4) r
ALHCA/WW/Page 12 SPACE FOR ROUGH WORK English/Bengali


42. An electron of mass m with an initial velocity 42. V = V0 ^i (V0 > 0) šøà=[³A¡ K[t¡ì¤K ÎÒ m ®¡ì¹¹
 
^
V = V0 i (V0 > 0) enters an electric field &A¡[i¡ ÒüìºC¡ö> E = – E0 ^i (E0 = [Ñ‚¹à}A¡ > 0) t = 0
 ^
E = – E0 i (E0 = constant > 0) at t = 0. If 0 is γÚA¡àìº šøì¤Å A¡ì¹ ¡ú *Òü ÒüìºC¡ö>[i¡¹ šøì¤ÅA¡àºã>
its de-Broglie wavelength initially, then its ƒ¸-¤øKºãÚ t¡¹U íƒQ¸¢ 0 Òìº t Î³Úšì¹ *[i¡¹
de-Broglie wavelength at time t is ƒ¸-¤øKºãÚ t¡¹U íƒQ¸¢ ƒòàØl¡àì¤
0
0 (1)
(1)  eE0 
 eE0  1  t
1  t  mV0 
 mV0  

(2) 0 t
(2) 0 t
 eE0 
 eE0  (3) 0  1  t
(3) 0  1  t  mV0 
mV 
 0 
(4) 0
(4) 0

43. For a radioactive material, half-life is 43. &A¡[i¡ ët¡\Îôyû¡ãÚ ì³ï캹 "‹¢àÚå 10 [³[>i¡ ¡ú A¡t¡ γìÚ
10 minutes. If initially there are 600 number of 600 [i¡ ëA¡@ƒøA¡ [¤Qi¡> šø[yû¡Úà ëÅìÈ 450 [i¡ ëA¡@ƒøA¡
nuclei, the time taken (in minutes) for the
disintegration of 450 nuclei is
ƒòàØl¡àì¤ ([³[>ìi¡)
(1) 20
(1) 20
(2) 30 (2) 30

(3) 10 (3) 10
(4) 15 (4) 15

44. The ratio of kinetic energy to the total energy of 44. ì¤à¹ &¹ t¡â«à>åÎàì¹ &A¡[i¡ ÒàÒül¡öì\ì>¹ ì™ìA¡àì>à
an electron in a Bohr orbit of the hydrogen atom,
A¡Û¡[Ñ‚t¡ &A¡[i¡ ÒüìºC¡öì>¹ K[t¡Å[v¡û¡ * ë³ài¡ Å[v¡û¡¹
is
">åšàt¡
(1) 1:1
(1) 1:1
(2) 2:–1
(2) 2:–1
(3) 1:–1
(3) 1:–1
(4) 1:–2
(4) 1:–2
45. When the light of frequency 2v0 (where v0 is
threshold frequency), is incident on a metal 45. &A¡[i¡ "àìºàA¡ t¡[Øl¡; [yû¡ÚàÚ "àš[t¡t¡ &A¡¤>¢ã ¹[Ƶ¹
plate, the maximum velocity of electrons emitted A¡´šà}A¡ 2v0 (ì™ Jàì> v0 Òº ÎåW¡>à A¡´šà}A¡) Òìº
is v1. When the frequency of the incident [>–Îõt¡ ÒüìºC¡ööì>¹ ΤŒìZW¢¡à K[t¡ì¤K v1 ú "àš[t¡t¡
radiation is increased to 5v0, the maximum
¹[Ƶ¹ A¡´šà}A¡ 5v0 Òìº [>–Îõt¡ ÒüìºC¡öì>¹ Î줌¢àZW¡
velocity of electrons emitted from the same plate
is v2. The ratio of v1 to v2 is K[t¡ì¤K ƒàØl¡àÚ v2 ¡ú v1 &¤} v2 &¹ ">åšàt¡
(1) 1:2 (1) 1:2
(2) 4:1

(2) 4:1
(3) 1:4 (3) 1:4

(4) 2:1 (4) 2:1

ALHCA/WW/Page 13 SPACE FOR ROUGH WORK English/Bengali

46. Which of the following oxides is most acidic in 46. >ãìW¡¹ ëA¡à>ô "GàÒü®¡[i¡ šøAõ¡[t¡ìt¡ Î줢àZW¡ "à[´ÃA¡ ?
nature ?
(1) MgO
(1) MgO
(2) BaO
(2) BaO
(3) BeO
(3) BeO
(4) CaO
(4) CaO
47. The difference between amylose and amylopectin
47. "¸à³àÒüìºà\ &¤} "¸à³àÒüìºàì>A¡[i¡ì>¹ šà=¢A¡¸
is (1) "¸à³àÒüìºàìšA¡[i¡ì> 14 -¤Þê¡> &¤}
(1) Amylopectin have 1  4 -linkage and 1  6 -¤Þê¡> =àìA¡
1  6 -linkage (2) "¸à³àÒüìºàì>A¡[i¡ì> 1  4 -¤Þê¡> &¤}
(2) Amylopectin have 1  4 -linkage and 1  6 -¤Þê¡> =àìA¡
1  6 -linkage (3) "¸à³àÒüìºàì\ 1  4 -¤Þê¡> &¤} 1  6 -¤Þê¡>
(3) Amylose have 14 -linkage and =àìA¡
1  6 -linkage (4) NÃåìA¡à\ &¤} K¸àºàA¡ìi¡à\ [ƒìÚ "¸à³àÒüìºà\
(4) Amylose is made up of glucose and ít¡[¹
galactose
48. 2.3 g ó¡¹[³A¡ "¸à[Îl¡ * 4.5 g "Gà[ºA¡ "¸à[Îìl¡¹
48. A mixture of 2·3 g formic acid and 4·5 g oxalic &A¡[i¡ [³Åøo Qo H2SO4 &¹ ÎìU ë™àK A¡¹à Òº ¡ú
acid is treated with conc. H2SO4. The evolved [¤[yû¡ÚàÚ l¡ü;šÄ K¸àÎãÚ [³Åøo[i¡ Û塉 ƒàKƒà¹ KOH &¹
gaseous mixture is passed through KOH pellets. ³ì‹¸ šàk¡àì>à ÒÚ ¡ú šø³ào t¡àš * W¡àìš (STP) "¤[ÅÊ¡
Weight (in g) of the remaining product at STP
l¡üšàƒàì>¹ ®¡¹ (g) Òì¤
will be
(1) 1·4
(1) 1·4
(2) 2·8
(2) 2·8
(3) 3·0
(3) 3·0 (4) 4·4
(4) 4·4
49. "àØl¡à"à[Øl¡ Î}ì™à[\t¡ ¤à "”z–\à[ºA¡ š[º³à¹ δšìA¢¡
49. Regarding cross-linked or network polymers, >ãìW¡¹ ëA¡à>ô [¤¤õ[t¡[i¡ "Ît¡¸ ?
which of the following statements is incorrect ?
(1) &샹 [¤[®¡Ä í¹[JA¡ š[º³à¹ ÅõTìº Î³¤Þê¡>ã
(1) They contain covalent bonds between
¹ìÚìá ú
various linear polymer chains.
(2) ¤¸àìA¡ºàÒüi¡, 볺à³àÒü> &샹 l¡üƒàÒ¹o ¡ú
(2) Examples are bakelite and melamine.
(3) They are formed from bi- and tri-functional (3) &¹à [‡-[yû¡ÚàÅ㺠&¤} [y-[yû¡ÚàÅ㺠³ì>à³à¹
monomers. ë=ìA¡ ît¡[¹ ÒÚ ¡ú
(4) They contain strong covalent bonds in their (4) &샹 š[º³à¹ ÅõTìº Åv¡û¡ γ¤Þê¡>ã ¹ìÚìá ¡ú
polymer chains.
50. t¡ã¤ø "à[´ÃA¡ ³à‹¸ì³ "¸à[>[ºì>¹ >àÒüìi¡öÅ> [¤[yû¡ÚàÚ
50. Nitration of aniline in strong acidic medium also m->àÒüìi¡öà"¸à[>[º> * ít¡[¹ ÒÚ ¡ú &¹ A¡à¹o
gives m-nitroaniline because
(1) šø[t¡Ñ‚àšA¡ Îìw* >àÒüìi¡öà Køç¡š Τ¢ƒà Ç¡‹å³ày
(1) In spite of substituents nitro group always
m-"¤Ñ‚àìt¡ ™àÚ ¡ú
goes to only m-position.
(2) In absence of substituents nitro group (2) šø[t¡Ñ‚àšìA¡¹ "oåš[Ñ‚[t¡ìt¡ >àÒüìi¡öà Køç¡š Τ¢ƒà
always goes to m-position. m-"¤Ñ‚àìt¡ ™àÚ ú
(3) In electrophilic substitution reactions (3) ÒüìºA¡i¡ö>àÎv¡û¡ šø[t¡Ñ‚àš> [¤[yû¡ÚàÚ "¸à³àÒüì>à Køç¡š

amino group is meta directive. m-"[®¡³åJã ¡ú
(4) In acidic (strong) medium aniline is present (4) t¡ã¤ø "à[´ÃA¡ ³à‹¸ì³ "¸à[>[º> "oå "¸à[>[º[>Úà³
as anilinium ion. "àÚ> [ÒìÎì¤ l¡üš[Ñ‚t¡ =àìA¡ ú
ALHCA/WW/Page 14 SPACE FOR ROUGH WORK English/Bengali

51. The compound A on treatment with Na gives B, 51. A ì™ïK[i¡ Na &¹ ÎìU [¤[yû¡ÚàÚ B &¤} PCl5 &¹ ÎìU
and with PCl5 gives C. B and C react together to [¤[yû¡ÚàÚ C l¡ü;šÄ A¡ì¹ ¡ú B &¤} C šà¹Ñš[¹A¡
give diethyl ether. A, B and C are in the order
[¤[yû¡Úà A¡ì¹ l¡àÒüÒü=àÒüº ÒüÚ๠ít¡[¹ A¡ì¹ ¡ú A, B &¤}
(1) C2H5OH, C2H6, C2H5Cl C &¹ Î[k¡A¡ yû¡³

(2) C2H5Cl, C2H6, C2H5OH (1) C2H5OH, C2H6, C2H5Cl

(3) C2H5OH, C2H5Cl, C2H5ONa (2) C2H5Cl, C2H6, C2H5OH

(4) C2H5OH, C2H5ONa, C2H5Cl (3) C2H5OH, C2H5Cl, C2H5ONa

(4) C2H5OH, C2H5ONa, C2H5Cl
52. Hydrocarbon (A) reacts with bromine by
substitution to form an alkyl bromide which by
Wurtz reaction is converted to gaseous 52. &A¡[i¡ ÒàÒüìl¡öàA¡à¤¢ì>¹ (A) ÎìU ë¤øà[³ì>¹ šø[t¡Ñ‚àš>
hydrocarbon containing less than four carbon [¤[yû¡ÚàÚ "¸àº[A¡º ë¤øà³àÒül¡ l¡ü;šÄ ÒÚ ¡ú ì™[i¡
atoms. (A) is [¤[yû¡ÚàÚ ³à‹¸ì³ &³> &A¡[i¡ ÒàÒüìl¡öàA¡à¤¢> ít¡[¹ A¡ì¹
(1) CH  CH ™à¹ A¡à¤¢> š¹³àoå¹ Î}J¸à W¡àì¹¹ ëW¡ìÚ A¡³ ¡ú (A) ì™ïK[i¡
(2) CH3 – CH3
Òº
(1) CH  CH
(3) CH2 = CH2
(2) CH3 – CH3
(4) CH4
(3) CH2 = CH2

53. The compound C7H8 undergoes the following (4) CH4
reactions :
53. C7H8 ì™ïK[i¡ yû¡³àÞìÚ >ãìW¡¹ [¤[yû¡ÚàP¡[º δšÄ A¡ì¹ :

The product ‘C’ is

(1) m-bromotoluene [¤[yû¡ÚàÚ l¡ü;šÄ ‘C’ Òº
(2) 3-bromo-2,4,6-trichlorotoluene (1) m-ì¤øàì³ài¡ºåÒü>
(2) 3-ì¤øàì³à-2,4,6-i¡öàÒüìAáàì¹à i¡ºåÒü>
(3) o-bromotoluene
(3) o-ì¤øàì³ài¡ºåÒü>
(4) p-bromotoluene
(4) p-ì¤øàì³ài¡ºåÒü>
54. Which oxide of nitrogen is not a common
pollutant introduced into the atmosphere both 54. >àÒüìi¡öàì\ì>¹ ëA¡à>ô "GàÒül¡[i¡ šøàAõ¡[t¡A¡ * ³>åȸ\[>t¡
due to natural and human activity ? l¡ü®¡Ú A¡à¹ìoÒü ¤àÚ峓¡ìº¹ Îà‹à¹o ƒèÈoA¡à¹ã šƒà=¢ >Ú ?
(1) N2O5 (1) N2O5
(2) N2O (2) N2O

(3) NO2 (3) NO2

(4) NO (4) NO
ALHCA/WW/Page 15 SPACE FOR ROUGH WORK English/Bengali

55. The bond dissociation energies of X2, Y2 and XY 55. X2, Y2 &¤} XY ë™ïìK¹ ¤Þê¡> [¤ìÚà\> Å[v¡û¡¹ ">åšàt¡
are in the ratio of 1 : 0·5 : 1. H for the formation 1 : 0.5 : 1; XY Kk¡ì>¹ H ³à> – 200 kJ mol–1.
–1
of XY is – 200 kJ mol . The bond dissociation
X2 ì™ïìK¹ ¤Þê¡> [>ìÚà\t¡ Å[v¡û¡¹ ³à> Òì¤
energy of X2 will be
–1
–1
(1) 200 kJ mol
(1) 200 kJ mol –1
(2) 800 kJ mol
–1
(2) 800 kJ mol –1
(3) 100 kJ mol
–1
(3) 100 kJ mol –1
(4) 400 kJ mol
–1
(4) 400 kJ mol
56. [¤A¡à¹ìA¡¹ šøà¹[´±A¡ KàØn¡â« [‡P¡o Òìº &A¡[i¡ Åè>¸yû¡³
56. When initial concentration of the reactant is
doubled, the half-life period of a zero order [¤[yû¡Ú๠"‹¢-\ã¤>A¡àº Òì¤
reaction (1) "ì‹¢A¡
(1) is halved (2) [t¡>P¡o
(2) is tripled
(3) [‡P¡o
(3) is doubled
(4) "š[¹¤t¢¡>ãÚ
(4) remains unchanged
57. The correction factor ‘a’ to the ideal gas equation 57. "àƒÅ¢ K¸àΠγãA¡¹ìo¹ Î}ìÅà‹> P¡oA¡ ‘a’ >ãìW¡¹ ì™
corresponds to ‹ì³¢¹ ÎìU δš[A¢¡t¡
(1) density of the gas molecules (1) K¸àÎ "oå¹ Q>â«
(2) electric field present between the gas
(2) K¸àÎ "oå¹ ³‹¸¤t¢¡ã t¡[Øl¡;ìÛ¡y
molecules
(3) volume of the gas molecules (3) K¸àÎ "oå¹ "àÚt¡>
(4) forces of attraction between the gas (4) K¸àÎ "oå¹ šà¹Ñš[¹A¡ "àA¡È¢o ¤º
molecules
58. ì¹l¡àG "[®¡[yû¡Úà
58. For the redox reaction – + 2+
Mn O 4– + C2 O42 + H  Mn + CO2 + H2O
– + 2+
Mn O 4– + C2 O42 + H  Mn + CO2 + H2O
&Òü \à¹o-[¤\à¹o [¤[yû¡Ú๠γãA¡¹ìo¹ γt¡à[¤‹à>
the correct coefficients of the reactants for the
balanced equation are
A¡¹ìt¡ W¡àÒüìº [¤A¡à¹A¡ γèìÒ¹ ÎÒK P¡oà}A¡ Òì¤
+
Mn O 4– C 2O 2 – H
+ Mn O 4– C 2O 2 – H
4
4
(1) 16 5 2
(1) 16 5 2
(2) 2 16 5
(2) 2 16 5
(3) 2 5 16
(3) 2 5 16
(4) 5 16 2
(4) 5 16 2
59. >ãìW¡¹ ëA¡à>ô Åt¢¡ ">åιo A¡¹ìº
59. Which one of the following conditions will favour
maximum formation of the product in the A2 (g) + B2 (g)  X2 (g) rH = – X kJ
reaction,
[¤[yû¡ÚàÚ [¤[yû¡Úວ¡ šƒàì=¢¹ š[¹³ào Τ¢à[‹A¡ Òì¤ ?
A2 (g) + B2 (g) 
X2 (g) rH = – X kJ ?
(1) [>´• t¡àš³àyà * l¡üZW¡ W¡àš
(1) Low temperature and high pressure
(2) l¡üZW¡ t¡àš³àyà * l¡üZW¡ W¡àš

(2) High temperature and high pressure
(3) Low temperature and low pressure (3) [>´• t¡àš³àyà * [>´• W¡àš
(4) High temperature and low pressure (4) l¡üZW¡ t¡àš³àyà * [>´• W¡àš

ALHCA/WW/Page 16 SPACE FOR ROUGH WORK English/Bengali

60. Consider the change in oxidation state of 60. >ãìW¡¹ [W¡ìy t¡[Øl¡; W¡àºA¡ ¤ìº¹ ³ày๠šàÅàšà[Å
Bromine corresponding to different emf values as
ë¤øà[³ì>¹ \à¹o ƒÅ๠š[¹¤t¢¡> [¤ì¤W¡>à A¡¹ ¡:
shown in the diagram below :

ì™ ë™ïK[i¡ "γà>åšàt¡ ëƒJàÚ :
Then the species undergoing disproportionation (1) Br O 3–
is
(2) Br2
(1) Br O 3–
(3) Br O 4–
(2) Br2
(4) HBrO
(3) Br O 4–

(4) HBrO 61. CaH2, BeH2, BaH2 ì™ïKP¡[º¹ "àÚ>ãÚ šøAõ¡[t¡¹ yû¡³
(1) BeH2 < CaH2 < BaH2
61. Among CaH2, BeH2, BaH2, the order of ionic
character is (2) BeH2 < BaH2 < CaH2
(1) BeH2 < CaH2 < BaH2 (3) CaH2 < BeH2 < BaH2
(2) BeH2 < BaH2 < CaH2 (4) BaH2 < BeH2 < CaH2
(3) CaH2 < BeH2 < BaH2
(4) BaH2 < BeH2 < CaH2 62. [>ìW¡¹ ëA¡à>ô ëÛ¡ìy \º "oå¹ Î}J¸à Τ¢à[‹A¡ ?
62. In which case is the number of molecules of water (1) 18 mL \º
maximum ? (2) 1 atm W¡àº * 273 K t¡àš³àyàÚ 0.00224 L
(1) 18 mL of water \ºãÚ ¤àÍš
(2) 0·00224 L of water vapours at 1 atm and (3) 0.18 g \º
273 K (4) 10–3 mol \º
(3) 0·18 g of water
–3
(4) 10 mol of water 63. šø=³ yû¡³* [‡t¡ãÚ yû¡³ [¤[yû¡Ú๠³ì‹¸ Î[k¡A¡ šà=¢A¡¸
63. The correct difference between first- and Òº
second-order reactions is that (1) šø=³ yû¡³ [¤[yû¡Ú๠Ò๠[¤A¡à¹ìA¡¹ KàØn¡ì⫹ l¡üš¹
(1) the rate of a first-order reaction does not [>®¢¡¹ A¡ì¹>à; [‡t¡ãÚ yû¡³ [¤[yû¡Ú๠Òà¹
depend on reactant concentrations; the rate
[¤A¡à¹ìA¡¹ KàØn¡ì⫹ l¡üš¹ [>®¢¡¹ A¡ì¹ ¡
of a second-order reaction does depend on
reactant concentrations (2) šø=³ yû¡³ [¤[yû¡ÚàÚ ">åQi¡> 䱤; [‡t¡ãÚ yû¡³
(2) a first-order reaction can be catalyzed; a [¤[yû¡ÚàÚ ">åQi¡¸ 䱤 >àÚ
second-order reaction cannot be catalyzed (3) šø=³ yû¡³ [¤[yû¡Ú๠"‹¢-\ã¤>A¡àº [A]0 &¹
(3) the half-life of a first-order reaction does not l¡üš¹ [>®¢¡¹ A¡ì¹ >à; [‡t¡ãÚ yû¡³ [¤[yû¡Úà¹
depend on [A]0; the half-life of a
"‹¢-\ã¤>A¡àº [A]0 &¹ ³àìy¹ l¡üš¹
second-order reaction does depend on [A]0
[>®¢¡¹Å㺠¡
(4) the rate of a first-order reaction does

(4) šø=³ yû¡³ [¤[yû¡Ú๠Ò๠[¤A¡à¹ìA¡¹ KàØn¡ì⫹ l¡üš¹
depend on reactant concentrations; the rate
of a second-order reaction does not depend [>®¢¡¹ A¡ì¹; [‡t¡ãÚ yû¡³ [¤[yû¡Ú๠Ò๠[¤A¡à¹ìA¡¹
on reactant concentrations KàØn¡ì⫹ l¡üš¹ [>®¢¡¹ A¡ì¹ >à
ALHCA/WW/Page 17 SPACE FOR ROUGH WORK English/Bengali

64. Which of the following is correct with respect to 64. šø[t¡Ñ‚àšA¡ γèìÒ¹ – I šø®¡à줹 [¤ì¤W¡>àÚ >ãìW¡¹ ëA¡à>ô[i¡
– I effect of the substituents ? (R = alkyl) Ît¡¸ ? (R = &[»¡º)
(1) – NH2 < – OR < – F
(1) – NH2 < – OR < – F
(2) – NH2 > – OR > – F
(2) – NH2 > – OR > – F
(3) – NR2 < – OR < – F
(3) – NR2 < – OR < – F
(4) – NR2 > – OR > – F
(4) – NR2 > – OR > – F

65. Which of the following molecules represents the
2 2
65. >ãìW¡¹ "oåP¡[º¹ ³ì‹¸ ëA¡à>ô ">å[i¡ ¤à³ ë=ìA¡ l¡àì>
order of hybridisation sp , sp , sp, sp from left to
right atoms ?
™=àyû¡ì³ sp2, sp2, sp, sp Î}A¡¹o šøƒÅ¢> A¡ì¹ ?
(1) HC  C – C  CH (1) HC  C – C  CH

(2) CH2 = CH – CH = CH2 (2) CH2 = CH – CH = CH2

(3) CH2 = CH – C  CH (3) CH2 = CH – C  CH

(4) CH3 – CH = CH – CH3 (4) CH3 – CH = CH – CH3

66. Which of the following carbocations is expected to 66. >ãìW¡¹ ëA¡à>ô A¡à줢àA¡¸ài¡àÚ>[i¡ Τ¢à[‹A¡ Îå[Ñ‚t¡ ¤ìº šøt¡¸àÅà
be most stable ?
A¡¹à ™àÚ ?

ALHCA/WW/Page 18 SPACE FOR ROUGH WORK English/Bengali

67. Magnesium reacts with an element (X) to form an 67. (X) ì³ï캹 ÎìU [¤[yû¡Úà A¡ì¹ ³¸àKì>[ÎÚà³ &A¡[i¡
ionic compound. If the ground state electronic "àÚ>ãÚ ì™àK ít¡¹ã A¡ì¹ ¡ú ™[ƒ (X) ì³ï캹 ®è¡[³Ñz¹
2 2 3
configuration of (X) is 1s 2s 2p , the simplest ÒüìºA¡i¡ö> [¤>¸àÎ 1s2 2s2 2p3 ÒÚ, l¡ü;šÄ ë™ïK[i¡¹
formula for this compound is ΤìW¡ìÚ Î¹º Î}ìA¡t¡ Òì¤
(1) Mg2X3 (1) Mg2X3
(2) Mg2X (2) Mg2X
(3) MgX2 (3) MgX2
(4) Mg3X2 (4) Mg3X2
68. Iron exhibits bcc structure at room temperature.
Above 900C, it transforms to fcc structure. The
68. Qì¹¹ Ѭ஡à[¤A¡ t¡àš³àyàÚ ëºàÒà ëƒÒìA¡[@ƒøA¡ Q>â«àA¡à¹
ratio of density of iron at room temperature to ëA¡ºàÎ Kk¡> (bcc) A¡ì¹ ¡ú 900C t¡àš³ày๠l¡ü‹Œ¢
that at 900C (assuming molar mass and atomic ëA¡ºàÎ Kk¡> (fcc) ¤ƒº ÒìÚ šõË¡ìA¡[@ƒøA¡ Q>â«àA¡à¹ ÒìÚ
radii of iron remains constant with temperature) ™àÚ ¡ú Ѭ஡à[¤A¡ t¡àš³àyà * 900C t¡àš³àyàÚ ëºàÒà¹
is Q>â« (‹ì¹ ë>Úà ™àÚ t¡àš³ày๠š[¹¤t¢¡ì>* ëºàÒà¹
(1)
3 ë³àºà¹ ®¡¹ * šà¹³ào[¤A¡ ¤¸àÎà‡ý¢¡ "š[¹¤[t¢¡t¡ ¹ìÚìá)
2 3
(1)
3 3 2
(2)
4 2 3 3
(2)
4 3 4 2
(3)
3 2 4 3
(3)
1 3 2
(4)
2 1
69. Which one is a wrong statement ? (4)
2
(1) Total orbital angular momentum of electron
69. >ãìW¡¹ ëA¡à>ô [¤¤õ[t¡[i¡ "Ît¡¸ ?
in ‘s’ orbital is equal to zero.
(1) ‘s’ A¡Û¡ìA¡ &A¡[i¡ ÒüìºC¡öì>¹ šèo¢ A¡Û¡ãÚ ëA¡ï[oA¡
(2) The electronic configuration of N atom is
®¡¹ì¤ìK¹ ³à> Åè>¸ ¡ú
(2) N š¹³àoå¹ ÒüìºC¡ö> [¤>¸àÎ

(3) An orbital is designated by three quantum
numbers while an electron in an atom is
designated by four quantum numbers. (3) &A¡[i¡ A¡Û¡ìA¡ [t¡>[i¡ ëA¡àÚà@i¡à³ Î}J¸à [ƒìÚ *
(4) The value of m for d z 2 is zero. š¹³àoå¹ "®¡¸”z¹Ñ‚ &A¡[i¡ ÒüìºC¡ö>ìA¡ W¡à¹[i¡
ëA¡àÚà@i¡à³ Î}J¸à [ƒìÚ [W¡[Òû¡t¡ A¡¹à ÒÚ ¡ú
70. Consider the following species : (4) d z 2 -& m &¹ ³à> Åè>¸ ¡ú
+ –
CN , CN , NO and CN 70. >ãìW¡¹ >³å>àP¡[º [¤ì¤W¡>à A¡¹
Which one of these will have the highest bond + –
CN , CN , NO &¤} CN
order ?
(1) NO
&샹 ³ì‹¸ ëA¡à>[i¡¹ ¤Þê¡> yû¡³ Î줌¢àZW¡ ?
+ (1) NO
(2) CN

+
(2) CN
–
(3) CN (3) CN
–

(4) CN (4) CN
ALHCA/WW/Page 19 SPACE FOR ROUGH WORK English/Bengali

71. Which of the following statements is not true for 71. Ò¸àìºàì\ì>¹ ëÛ¡ìy >ãìW¡¹ ëA¡à>ô [¤¤õ[t¡[i¡ Ît¡¸ >Ú ?
halogens ?
(1) ÎA¡ìºÒü &A¡Û¡à¹ãÚ "[G"¸à[Îl¡ ít¡[¹ A¡ì¹ ú
(1) All form monobasic oxyacids.
(2) Ç¡‹å³ày óÃå¡[¹> ‹>àuA¡ \à¹o ƒÅà ëƒJàÚ ú
(2) All but fluorine show positive oxidation
states. (3) ÎA¡ìºÒü \à¹A¡‰¤¸ ¡ú
(3) All are oxidizing agents. (4) ìAáà[¹ì>¹ Î줢àZW¡ ÒüìºC¡ö> KøÒo &>=¸àº[š
(4) Chlorine has the highest electron-gain ¹ìÚìá ú
enthalpy.
72. &[º}Ҹೠ[W¡y ">åÎàì¹, >ãìW¡¹ ëA¡à>ô ‹àtå¡ "¸àºå[³>à
72. Considering Ellingham diagram, which of the
following metals can be used to reduce alumina ?
[¤\à¹ìo ¤¸¤Ò๠A¡¹à ™àÚ ?
(1) Fe
(1) Fe
(2) Mg
(2) Mg
(3) Zn
(3) Zn
(4) Cu
(4) Cu

73. The correct order of atomic radii in group 13 73. Køç¡š 13 ë³ïº γèìÒ¹ 뤺àÚ šà¹³ào[¤A¡ ¤¸àÎàì‹¢¹ Î[k¡A¡
elements is yû¡³ ?
(1) B < Al < In < Ga < Tl (1) B < Al < In < Ga < Tl
(2) B < Ga < Al < Tl < In (2) B < Ga < Al < Tl < In
(3) B < Al < Ga < In < Tl (3) B < Al < Ga < In < Tl
(4) B < Ga < Al < In < Tl
(4) B < Ga < Al < In < Tl
74. In the structure of ClF3, the number of lone pairs
74. ClF3 "oå¹ Kk¡ì> ëA¡@ƒøãÚ š¹³àoå ‘Cl’ &¹ ÒüìºC¡ö>
of electrons on central atom ‘Cl’ is
ë\àØl¡ Î}J¸à
(1) one
(1) &A¡
(2) four
(2) W¡à¹
(3) two
(4) three (3) ƒåÒü
(4) [t¡>
75. The correct order of N-compounds in its
decreasing order of oxidation states is
75. N-ì™ïK γèìÒ¹ \à¹o ƒÅà Òùàìι Î[k¡A¡ yû¡³
(1) HNO3, NO, N2, NH4Cl
(1) HNO3, NO, N2, NH4Cl
(2) HNO3, NH4Cl, NO, N2
(2) HNO3, NH4Cl, NO, N2
(3) HNO3, NO, NH4Cl, N2
(3) HNO3, NO, NH4Cl, N2
(4) NH4Cl, N2, NO, HNO3
(4) NH4Cl, N2, NO, HNO3
76. Which one of the following elements is unable to
3– 76. >ãìW¡¹ ëA¡à>ô ë³ïº MF63 – "àÚ> ít¡[¹ A¡¹ìt¡ šàì¹ >à ?
form MF6 ion ?
(1) Ga
(1) Ga
(2) B

(2) B
(3) Al
(3) Al
(4) In (4) In

ALHCA/WW/Page 20 SPACE FOR ROUGH WORK English/Bengali

77. In the reaction 77. &¹ "[®¡[yû¡Úà

the electrophile involved is [¤[yû¡Ú๠\[Øl¡t¡ ÒüìºC¡ö>àÎv¡û¡ l¡üšàƒà>[i¡ Òº

 (1) l¡àÒüìAáàì¹à[³=àÒüº A¡¸ài¡àÚ> ( CHCl 2 )
(1) dichloromethyl cation ( CHCl 2 )
(2) l¡àÒüìAáàì¹à[³=àÒüº "¸à>àÚ> ( )
(2) dichloromethyl anion ( )

 (3) ó¡³¢àÒüº A¡¸ài¡àÚ> ( CHO )
(3) formyl cation ( CHO )
(4) l¡àÒüìAáàì¹àA¡à[¤¢> (:CCl2)
(4) dichlorocarbene (:CCl2)

78. A¡à줢à[G[ºA¡ "¸à[Îìl¡¹ l¡üZW¡t¡¹ Ñ£å¡i¡>àS¡ t塺>ãÚ
78. Carboxylic acids have higher boiling points than
"o[¤A¡ ®¡¹Î´šÄ "¸àº[l¡ÒàÒül¡, [A¡ìi¡à> &¤} &³>[A¡
aldehydes, ketones and even alcohols of "¸àºìA¡àÒ캹 ëW¡ìÚ l¡üZW¡t¡¹ ÒÚ ¡ú &[i¡ [A¡ A¡à¹ìo ÒÚ ?
comparable molecular mass. It is due to their (1) "”z¹ào[¤A¡ H-¤Þê¡>ã Kk¡>
(1) formation of intramolecular H-bonding
(2) ®¡à>ôl¡à¹ *ÚàºôÎ "àA¡È¢o ¤ìº¹ ÎÒàÚt¡àÚ
(2) more extensive association of carboxylic
A¡à줢à[G[ºA¡ "¸à[Îìl¡¹ "[‹A¡t¡¹ Î}ì™à\>
acid via van der Waals force of attraction
Û¡³t¡à "\¢>
(3) formation of carboxylate ion
(4) formation of intermolecular H-bonding
(3) A¡à줢à[Gìºi¡ "àÚ> Kk¡>
(4) "à”z¹ào[¤A¡ H-¤Þê¡>ã Kk¡>
79. Compound A, C8H10O, is found to react with
79. Y &¤} NaOH &¹ [¤[yû¡ÚàÚ l¡ü;šÄ NaOI ì™ïK A
NaOI (produced by reacting Y with NaOH) and
yields a yellow precipitate with characteristic ì™ïìK¹ C8H10O ÎìU [¤[yû¡Úà A¡ì¹ &³> &A¡[i¡ Òºåƒ
smell. "‹–ìÛ¡š ít¡[¹ A¡ì¹ ™à¹ [¤[ÅÊ¡ KÞê¡ ¹ìÚìá ¡ú
A and Y are respectively A &¤} Y ™=àyû¡ì³

ALHCA/WW/Page 21 SPACE FOR ROUGH WORK English/Bengali

80. Match the metal ions given in Column I with the 80. Ñz´± I šøƒv¡ ‹àt塹 "àÚì>¹ ÎìU Ñz´± II šøƒv¡ "àÚì>¹
spin magnetic moments of the ions given in
Qèo¢> ëW¡ï´¬A¡ °à³ìA¡¹ ³à> 볺à* ¡ú Î[k¡A¡ Î}ìA¡t¡
Column II and assign the correct code :
[>샢ŠA¡¹ ¡:
Column I Column II
3+
Ñz´± I Ñz´± II
a. Co i. 8 B.M. 3+
a. Co i. 8 B.M.
3+
b. Cr ii. 35 B.M. 3+
b. Cr ii. 35 B.M.
3+
c. Fe iii. 3 B.M. 3+
c. Fe iii. 3 B.M.
2+
d. Ni iv. 24 B.M. 2+
d. Ni iv. 24 B.M.
v. 15 B.M.
v. 15 B.M.
a b c d
a b c d
(1) iv v ii i (1) iv v ii i
(2) iv i ii iii (2) iv i ii iii
(3) i ii iii iv (3) i ii iii iv
(4) iii v i ii
(4) iii v i ii
81. Iron carbonyl, Fe(CO)5 is 81. "àÚ¹> A¡à¤¢[>º, Fe(CO)5 Òº
(1) tetranuclear (1) W¡tå¡– [>l¡ü[AáÚ
(2) trinuclear (2) [y[>l¡ü[AáÚ
(3) mononuclear (3) &A¡A¡ [>l¡ü[AáÚ
(4) dinuclear
(4) [‡[>l¡ü[AáÚ
82. The geometry and magnetic behaviour of the 82. [Ni(CO)4] \[i¡º ë™ïK[i¡¹ \¸à[³[t¡ * ëW¡ï´¬A¡ ‹³¢
complex [Ni(CO)4] are
(1) γt¡ºã ¤K¢ìÛ¡yàA¡à¹ \¸à[³[t¡ &¤} [t¡¹ÆWå¡´¬A¡ãÚ
(1) square planar geometry and diamagnetic
(2) square planar geometry and paramagnetic (2) γt¡ºã ¤K¢ìÛ¡yàA¡à¹ \¸à[³[t¡ &¤} ">åWå¡´¬A¡ãÚ
(3) tetrahedral geometry and diamagnetic (3) W¡tå¡ÑzºA¡ãÚ \¸à[³[t¡ &¤} [t¡¹ÆWå¡´¬A¡ãÚ
(4) tetrahedral geometry and paramagnetic (4) W¡tå¡ÑzºA¡ãÚ \¸à[³[t¡ &¤} ">åWå¡´¬A¡ãÚ
83. Which one of the following ions exhibits 83. >ãìW¡¹ ëA¡à>ô "àÚ> d-d Ñ‚à>à”z¹o &¤} ">åìW¡ï´¬A¡ãÚ ‹³¢
d-d transition and paramagnetism as well ?
2–
ëƒJàÚ ?
(1) CrO 4 2–
(1) CrO 4
–
(2) MnO 4 –
(2) MnO 4
2–
(3) Cr2O7 2–
(3) Cr2O7
2–
(4) MnO 4 (4) MnO 4
2–

84. The type of isomerism shown by the complex 84. [CoCl2(en)2] \[i¡º ë™ïK ë™ Î³à>åt¡à šøƒÅ¢> A¡ì¹
[CoCl2(en)2] is
(1) \¸à[³[t¡A¡ γàoåt¡à
(1) Geometrical isomerism
(2) "àÚ>> γàoåt¡à

(2) Ionization isomerism
(3) Coordination isomerism
(3) ΤK¢ãÚ Î³àoåt¡à
(4) Linkage isomerism (4) ¤Þê¡> γàoåt¡à
ALHCA/WW/Page 22 SPACE FOR ROUGH WORK English/Bengali

85. Following solutions were prepared by mixing 85. [¤[®¡Ä KàØn¡â« δšÄ NaOH * HCl [¤[®¡Ä "àÚt¡ì>
different volumes of NaOH and HCl of different
concentrations :
[³[Åøt¡ A¡ì¹, >ãìW¡¹ ‰¤oP¡[º ít¡[¹ A¡¹à Òº ¡:
M M M M
a. 60 mL HCl + 40 mL NaOH a. 60 mL HCl + 40 mL NaOH
10 10 10 10

M M M M
b. 55 mL HCl + 45 mL NaOH b. 55 mL HCl + 45 mL NaOH
10 10 10 10

M M M M
c. 75 mL HCl + 25 mL NaOH c. 75 mL HCl + 25 mL NaOH
5 5 5 5

M M M M
d. 100 mL HCl + 100 mL NaOH d. 100 mL HCl + 100 mL NaOH
10 10 10 10
pH of which one of them will be equal to 1 ? l¡üšì¹¹ ëA¡à>ô [³Åøìo¹ pH &¹ ³àyà 1 &¹ γà> Òì¤ ?
(1) b (1) b
(2) d
(2) d
(3) a
(3) a
(4) c
(4) c
86. On which of the following properties does the 86. >ãìW¡¹ ëA¡à>ô ‹³¢P¡[º¹ l¡üš¹ &A¡[i¡ "àÚì>¹ t¡e¡>
coagulating power of an ion depend ?
Û¡³t¡à [>®¢¡¹ A¡ì¹ ?
(1) The magnitude of the charge on the ion
(1) Ç¡‹å³ày "àÚì>¹ "à‹à>
alone
(2) Both magnitude and sign of the charge on (2) "àÚì>¹ "à‹à> * "à‹àì>¹ ‹>àuA¡ ¤à ˜¡oàuA¡
the ion šø¤õ[t¡
(3) Size of the ion alone (3) Ç¡‹å³ày "àÚì>¹ "àA¡à¹
(4) The sign of charge on the ion alone (4) Ç¡‹å³ày "àÚì>¹ "à‹àì>¹ ‹>àuA¡ ¤à ˜¡oàuA¡
87. The solubility of BaSO4 in water is
šøAõ¡[t¡
–3 –1
2·42  10 gL at 298 K. The value of its 87. 298 K t¡àš³àyàÚ \ìº BaSO4 &¹ ‰à¤¸t¡à
solubility product (Ksp) will be –3 –1
2·42  10 gL ú &¹ ‰à¤¸t¡à P¡oó¡ìº¹ (Ksp) ³ày
–1
(Given molar mass of BaSO4 = 233 g mol ) –1
(ìƒ*ÚàÒìÚìá BaSO4 &¹ ë³àºà¹ ®¡¹ = 233 g mol )
–10 2 –2
(1) 1·08  10 mol L –10 2 –2
(1) 1·08  10 mol L
–14 2 –2
(2) 1·08  10 mol L –14 2 –2
(2) 1·08  10 mol L
–12 2 –2
(3) 1·08  10 mol L –12 2 –2
(3) 1·08  10 mol L
–8 2 –2
(4) 1·08  10 mol L –8 2 –2
(4) 1·08  10 mol L
88. Given van der Waals constant for NH3, H2, O2
and CO2 are respectively 4·17, 0·244, 1·36 and 88. NH3, H2, O2 &¤} CO2 &¹ ®¡à>ô l¡à¹ *ÚàºôÎ ‹ø硤ìA¡¹
3·59, which one of the following gases is most ³à> ™=àyû¡ì³ 4.17, 0.244, 1.36 &¤} 3.59 ¡ú >ãìW¡¹
easily liquefied ?
ëA¡à>ô K¸àΠΤì=ìA¡ ÎÒì\ t¡¹ìº š[¹ot¡ Òì¤ ?
(1) NH3 (1) NH3
(2) O2 (2) O2

(3) H2 (3) H2
(4) CO2 (4) CO2

ALHCA/WW/Page 23 SPACE FOR ROUGH WORK English/Bengali

89. Which of the following compounds can form a 89. >ãìW¡¹ ëA¡à>ô ì™ïK iå¡Òüʡ๠"àÚ> ít¡[¹ A¡ì¹ ?
zwitterion ?
(1) "¸à[>[º>
(1) Aniline
(2) ì¤ìgà[ÚA¡ "¸à[Îl¡
(2) Benzoic acid
(3) "¸à[Îìi¡[>ºàÒül¡
(3) Acetanilide
(4) NÃàÒü[Î>
(4) Glycine

90. >ãìW¡¹ [¤[yû¡Úàyû¡ì³ šø‹à> l¡ü;šÄ ‰¤¸ P, Q &¤} R
90. Identify the major products P, Q and R in the [W¡[Òû¡t¡ A¡¹ :
following sequence of reactions :

ALHCA/WW/Page 24 SPACE FOR ROUGH WORK English/Bengali

91. What type of ecological pyramid would be 91. [>ì´•àv¡û¡ t¡=¸ ë=ìA¡ [A¡ ‹¹ìo¹ ÒüìA¡àº[\A¡àº [š¹à[³l¡
obtained with the following data ?
šà*Úà ™àì¤ ?
Secondary consumer : 120 g
ìKïo JàƒA¡ : 120 g
Primary consumer : 60 g
³èJ¸ JàƒA¡ : 60 g
Primary producer : 10 g
(1) Inverted pyramid of biomass
³èJ¸ l¡ü;šàƒA¡ : 10 g
(1) ¤àìÚà³àìι l¡üºi¡à [š¹à[³l¡
(2) Upright pyramid of numbers
(3) Pyramid of energy (2) Î}J¸à¹ l¡üºi¡à [š¹à[³l¡
(4) Upright pyramid of biomass (3) Å[v¡û¡¹ [š¹à[³l¡
(4) ¤àìÚà³àìι JòàØl¡à [š¹à[³l¡
92. Natality refers to
(1) Death rate 92. \´•³àyà ¤ºìt¡ ë¤àc¡àÚ
(2) Number of individuals leaving the habitat (1) ³õt¡¸å Òà¹
(3) Birth rate (2) ì™ Î}J¸A¡ Ѭt¡”| &A¡[i¡ ¤Î[t¡ t¡¸àK A¡ì¹
(4) Number of individuals entering a habitat (3) \´• Òà¹
(4) ì™ Î}J¸A¡ Ѭt¡”| &A¡[i¡ ¤Î[t¡ìt¡ šøì¤Å A¡ì¹
93. World Ozone Day is celebrated on

(1) 5
th
June
93. [¤Å¬ *\> [ƒ¤Î ë™[ƒ> šàº> A¡¹à ÒÚ
(1) 5 \å>
th
(2) 16 September
(2) 16 ëÎìŸi¡´¬¹
st
(3) 21 April (3) 21 &[šøº
nd (4) 22 &[šøº
(4) 22 April

94. In stratosphere, which of the following elements
94. Сöàìi¡à[Ñ£¡Úà¹-& [>ì´•àv¡û¡ ëA¡à> ë³ïº[i¡ *ì\à>
acts as a catalyst in degradation of ozone and [l¡ìKøìl¡Îà> * "[Gì\> ³å[l¡ìt¡ ">åQi¡A¡ [ÒÎàì¤ A¡à\
release of molecular oxygen ? A¡ì¹ ?
(1) Carbon (1) A¡à¤¢>
(2) Fe (2) Fe
(3) Cl (3) Cl
(4) Oxygen
(4) "[Gì\>
95. Niche is
95. [>Åô Òº
(1) all the biological factors in the organism’s
environment (1) \ã줹 š[¹ì¤ìŹ ÎA¡º í\¤ãA¡ l¡üšàƒà>
(2) the range of temperature that the organism (2) \ã줹 ¤òàW¡à¹ \>¸ t¡àš³àyà¹ ë™ šàÀà šøìÚà\>
needs to live (3) \ã줹 ë™Jàì> "¤Ñ‚à> ëÎJàì> \㤠뮡ï[t¡A¡
(3) the physical space where an organism lives "¤Ñ‚à ¤¸¤Ò๠A¡ì¹
(4) the functional role played by the organism
(4) \㤠ë™Jàì> "¤Ñ‚à> A¡ì¹ ëÎJàì> ®¡à¹ A¡à™¢A¡à¹ã
where it lives
®è¡[³A¡à
96. Which of the following is a secondary pollutant ?
96. [>ì´•àv¡û¡ ëA¡à>[i¡ ëKïo ƒèÈA¡ ?
(1) CO
(1) CO
(2) SO2 (2) SO2

(3) CO2 (3) CO2
(4) O3 (4) O3

ALHCA/WW/Page 25 SPACE FOR ROUGH WORK English/Bengali

97. What is the role of NAD
+
in cellular 97. ìA¡àÅãÚ Ñ¬Îì> NAD+-¹ ®è¡[³A¡à [A¡ ?
respiration ? (1) ÒüÒà &A¡[i¡ l¡ü;ìÎW¡A¡ [ÒÎàì¤ A¡à\ A¡ì¹ ú
(1) It functions as an enzyme. (2) ÒüÒà ATP Î}ìÅÃìÈ [>l¡ü[Aá*i¡àÒül¡ &¹ l¡ü;Î ú
(2) It is a nucleotide source for ATP synthesis.
(3) ÒüÒà ÒüìºA¡i¡ö> ¤àÒA¡ [ÒÎàì¤ A¡à\ A¡ì¹ ú
(3) It functions as an electron carrier.
(4) ÒüÒà "¤àt¡ ѬÎì> "[”z³ ÒüìºC¡ö> Î}KøàÒA¡ ú
(4) It is the final electron acceptor for anaerobic
respiration. 98. ÎàìºàA¡Î}ìÅÃÈ &¹ Î³Ú "[Gì\> l¡ü;šÄ ÒÚ
98. Oxygen is not produced during photosynthesis by
>à ™àÒàìt¡
(1) Green sulphur bacteria (1) Τå\ Îàºó¡à¹ ¤¸àA¡ìi¡[¹Úà
(2) Cycas (2) ÎàÒüA¡Î
(3) Nostoc (3) >àСàA¡
(4) Chara (4) A¡à¹à
99. Which one of the following plants shows a very 99. [>ì´•àv¡û¡ ëA¡à> l¡ü[Š±ƒ[i¡ ³=-&¹ &A¡[i¡ šøà\à[t¡¹ ÎìU
close relationship with a species of moth, where [>¤ãØl¡ δšA¢¡™åv¡û¡, ë™Jàì> ƒå[i¡¹ ëA¡à>[i¡Òü "š¹[i¡
none of the two can complete its life cycle without ¤¸àt¡ãt¡ t¡à¹ \ã¤> W¡yû¡ δšèo¢ A¡¹ìt¡ šàì¹ >à ?
the other ?
(1) ÒàÒü[l¡öºà
(1) Hydrilla
(2) Banana
(2) ìA¡ºà
(3) Yucca (3) ÚåB¡à
(4) Viola (4) ¤àìÚà¤à
100. In which of the following forms is iron absorbed 100. ìºàÒ๠[>ì´•àv¡û¡ ëA¡à> ƒÅà[i¡ l¡ü[Š±t¡-& ëÎà[Èt¡ ÒÚ ?
by plants ? (1) ìó¡[¹A¡
(1) Ferric (2) ³åv¡û¡ ë³ïº
(2) Free element (3) ìó¡¹àÎ
(3) Ferrous (4) ìó¡[¹A¡ &¤} ëó¡¹àÎ l¡ü®¡ÚÒü
(4) Both ferric and ferrous 101. [>ì´•àv¡û¡ ëA¡à> ë³ïº[i¡ ëA¡àìŹ ¹ÎÑ£¡ã[t¡ ¹Û¡à A¡ì¹ ?
101. Which of the following elements is responsible for (1) ³¸àKì>[ÎÚà³
maintaining turgor in cells ?
(2) ši¡à[ÎÚà³
(1) Magnesium
(2) Potassium (3) ìÎà[l¡Úà³
(3) Sodium (4) A¡¸àº[ÎÚà³
(4) Calcium 102. [‡[>ìÈA¡ Òº
102. Double fertilization is (1) &A¡[i¡ š¹àK>à[ºA¡à¹ ƒå[i¡ šå} \>>ìA¡àÅ * ƒå[i¡
(1) Fusion of two male gametes of a pollen tube [®¡Ä [l¡´¬àoå¹ [³º>
with two different eggs (2) ƒå[i¡ šå} \>>ìA¡àÅ-&¹ Î[Òt¡ &A¡[i¡ [l¡´¬àoå¹
(2) Fusion of two male gametes with one egg [³º>
(3) Fusion of one male gamete with two polar (3) &A¡[i¡ šå} \>>ìA¡àÅ-&¹ ÎìU ƒå[i¡ ë³¹ç¡-
nuclei [>l¡ü[AáÚàÎ &¹ [³º>
(4) Syngamy and triple fusion
(4) [>ìÈA¡ &¤} íy‹[³º>
103. Pollen grains can be stored for several years in 103. š¹àKì¹oå ¤×¤á¹ &¹ \ì>¸ ‰¤ø >àÒüìi¡öàì\ì>ìt¡ ëA¡à>
liquid nitrogen having a temperature of
t¡àš³àì> Î}¹Û¡o A¡¹à ë™ìt¡ šàì¹ ?
(1) – 120C (1) – 120C

(2) – 196C (2) – 196C
(3) – 80C (3) – 80C
(4) – 160C (4) – 160C
ALHCA/WW/Page 26 SPACE FOR ROUGH WORK English/Bengali

104. The stage during which separation of the paired 104. ì™ ƒÅàÚ Î³Î}Ñ‚ ëyû¡àì³àì\à³ ë\àØl¡[i¡¹ šõ=A¡ãA¡¹o Ç¡¹ç¡
homologous chromosomes begins is ÒÚ
(1) Pachytene (1) š¸àA¡àÒü[i¡>
(2) Diakinesis
(2) l¡àÚàA¡àÒüì>[ÎÎ
(3) Diplotene
(3) [l¡šìºà[i¡>
(4) Zygotene
(4) \àÒüìKà[i¡>
105. Which of the following is true for nucleolus ?
105. [>ì´•àv¡û¡ ìA¡à>[i¡ [>l¡ü[Aá*ºàÎ-&¹ \>¸ Î[k¡A¡
(1) Larger nucleoli are present in dividing cells.
(1) [¤®¡à\³à> ëA¡àìš ¤õÒ; "àAõ¡[t¡¹ [>l¡ü[Aá*[º
(2) It takes part in spindle formation.
l¡üš[Ñ‚t¡ =àìA¡ ú
(3) It is a membrane-bound structure.
(2) ÒüÒà [Ñš[“¡º Kk¡ì> "}Å KøÒo A¡ì¹ ú
(4) It is a site for active ribosomal RNA
(3) ÒüÒà šƒ¢à ‡à¹à "à¤õt¡ Kk¡> ¡ú
synthesis.
(4) ÒüÒà Î[yû¡Ú ¹àÒüì¤àì\à³àº RNA Î}ìÅÃÈ-&¹
106. Which among the following is not a prokaryote ?
Ñ‚à> ú
(1) Saccharomyces
106. [>ì´•àv¡û¡ ëA¡à>[i¡ ëšøàA¡¸à[¹*i¡ >Ú ?
(2) Nostoc
(1) îÎìA¡ì¹à³àÒüÎã\
(3) Mycobacterium
(2) >àСàA¡
(4) Oscillatoria
(3) ³àÒüìA¡àî¤C¡ã[¹Ú³
107. Stomatal movement is not affected by
(4) *[Îìºìi¡à[¹Úà
(1) Temperature
107. šy¹ìÞøý¡¹ Îe¡àº> ™à¹ ‡à¹à šø®¡à[¤t¡ ÒÚ >à
(2) O2 concentration
(1) t¡àš³àyà
(3) Light
(2) O2 KàØn¡â«
(4) CO2 concentration
(3) "àìºà
108. Stomata in grass leaf are (4) CO2 KàØn¡â«
(1) Dumb-bell shaped
108. QàÎ-&¹ šàt¡à¹ šày¹Þøý¡ Òº
(2) Rectangular
(3) Kidney shaped (1) l¡àì´¬º "àAõ¡[t¡¹
(4) Barrel shaped (2) "àÚt¡àA¡à¹
109. The two functional groups characteristic of (3) ¤õB¡ "Aõ¡[t¡¹
sugars are (4) [ššà "àAõ¡[t¡¹
(1) hydroxyl and methyl ÅA¢
109. ¡ ¹à¹ ƒå[i¡ [yû¡Úà³èºA¡ Òº
(2) carbonyl and phosphate (1) ÒàÒül¡ö[Gº &¤} [³=àÒüº

(3) carbonyl and methyl (2) A¡à¹ì¤à>㺠&¤} ó¡Îìó¡i¡
(3) A¡à¹ì¤à>㺠&¤} [³=àÒüº
(4) carbonyl and hydroxyl
(4) A¡à¹ì¤à>㺠&¤} ÒàÒül¡ö[Gº
110. The Golgi complex participates in
110. KºKã A¡³ìšÃG ™àÒàìt¡ "}ÅKøÒo A¡ì¹
(1) Fatty acid breakdown
(1) ó¡¸à[i¡ "¸à[Ît¡ [¤ìZáƒ
(2) Respiration in bacteria
(3) Formation of secretory vesicles (2) ¤¸àA¡ìi¡[¹Ú๠ŬÎ>
(4) Activation of amino acid (3) Û¡¹o 뮡[ÎA¡º Kk¡ì>
111. Which of the following is not a product of light (4) "¸à[³ì>à "¸à[Ît¡-&¹ Î[yû¡Út¡à
reaction of photosynthesis ? 111. [>ì´•v¡û¡ ëA¡à>[i¡ "àìºàA¡ Î}ìÅÃÈìo¹ "àìºàA¡ [¤[yû¡Úà¹
(1) ATP l¡ü;šàƒA¡ >Ú ?
(1) ATP

(2) NADPH
(2) NADPH
(3) NADH (3) NADH
(4) Oxygen (4) Oxygen
ALHCA/WW/Page 27 SPACE FOR ROUGH WORK English/Bengali

112. Offsets are produced by J¤¢‹à¤A¡ ™à¹ ‡à¹à ít¡¹ã ÒÚ
112.
(1) Meiotic divisions (1) [³ìÚà[i¡A¡ [¤®¡à\>
(2) Parthenocarpy
(2) "[>ìÈA¡ã ó¡ìºà;šàƒ>
(3) Mitotic divisions
(3) ³àÒüìi¡à[i¡A¡ [¤®¡à\>
(4) Parthenogenesis
(4) &A¡[ºU šø\>>
113. Select the correct statement :
113. Î[k¡A¡ [¤¤õ[t¡[i¡ [>¤¢àW¡> A¡¹ :
(1) Franklin Stahl coined the term ‘‘linkage’’.
(1) óø¡àS¡[º> Сº ‘‘[º}ìA¡\’’ >à³A¡¹o[i¡ A¡ì¹> ú
(2) Spliceosomes take part in translation.
(2) ÑšàºàÒüìÎàì\à³ i¡ö¸àXìÎìºÅ>-& "}Å KøÒo
(3) Punnett square was developed by a British A¡ì¹ ú
scientist.
(3) šàì>i¡ ÑHþÚ๠&A¡\> Òü}ì¹\ [¤`¡à>ã ‡à¹à
(4) Transduction was discovered by S. Altman. š[¹Ñ£å¡[i¡t¡ ÒÚ ú
114. Which of the following has proved helpful in (4) &Î. "ºiô¡³¸à> i¡ö¸àXl¡àA¡Îà> "à[¤ÑHþ๠A¡ì¹> ú
preserving pollen as fossils ?
114. [>ì´•àv¡û¡ ëA¡à> š¹àKì¹oå \ã¤àѶ [ÒÎàì¤ Î}¹Û¡ìo
(1) Pollenkitt
(2) Oil content
ÎÒàÚA¡ ?
(3) Cellulosic intine (1) ìšàìº>A¡ãi¡
(4) Sporopollenin (2) ît¡º š[¹³ào
115. Select the correct match : (3) ìκåìºà[\A¡ ë¹oå "”z–Ñ~A¡
(1) Alec Jeffreys – Streptococcus (4) ìÑšàì¹àìšàìº[>>
pneumoniae 115. Î[k¡A¡ ë\àØl¡[i¡ [>¤¢àW¡> A¡¹ :

(2) Matthew Meselson – Pisum sativum
(1) &ìºA¡ í\óø¡ãÎ – ìСöìŸi¡àìA¡àA¡Î
and F. Stahl [>l¡üì³à>ã
(3) Alfred Hershey and – TMV
³¸à=å ë³ìκÎ> &¤}
(2) – [šÎ³ ëÎi¡à[¤³
Martha Chase
&ó¡. Сº
(3) "¸àºìóø¡l¡ Òà¹ìÎ &¤} – i¡ã.&³.¤ã.¡
(4) Francois Jacob and – Lac operon
Jacques Monod
³à¹=à ëW¡>
116. The experimental proof for semiconservative
(4) óø¡à>ìA¡àÒüÎô \¸àA¡¤ &¤} – º¸àìA¡ *ìš¹o
replication of DNA was first shown in a \¸àA¡ã ë³à>l¡
(1) Fungus 116. DNA- &¹ l¡üš¹QoÅ㺠šø[t¡[ºš> &¹ š¹ãۡວ¡ šø³ào
(2) Plant šø=³ ëƒJàì>à ÒÚ &A¡[i¡
(3) Bacterium (1) áyàìA¡
(4) Virus (2) l¡ü[Š±ìƒ
117. Which of the following flowers only once in its (3) ¤¸àA¡ìi¡[¹Úàìt¡
life-time ? (4) ®¡àÒü¹àÎ-&
(1) Bamboo species 117. [>ì´•àv¡û¡ ëA¡à>[i¡ìt¡ t¡à¹ \ã¤>A¡àìº ³ày &A¡¤à¹ ó塺
(2) Mango ÒÚ ?
(3) Jackfruit (1) ¤òàÅ-&¹ šø\à[t¡
(4) Papaya (2) "à³
118. Which of the following pairs is wrongly (3) Aò¡àk¡àº
matched ? (4) ìšòìš
(1) Starch synthesis in pea : Multiple alleles 118. [>ì´•àv¡û¡ ëA¡à> ë\àØl¡à[i¡ìA¡ ®è¡º ®¡àì¤ ë³ºàì>à ÒìÚìá ?
(2) XO type sex : Grasshopper (1) ³i¡¹ Kàìá ÅA¢¡¹à Î}ìÅÃÈ : ¤× "¸à[ºº

determination (2) XO i¡àÒüš ì™ï> [>‹¢à¹o : QàÎ ó¡[Øl¡}
(3) ABO blood grouping : Co-dominance (3) ABO ¹v¡û¡ìÅøoã : ÎÒ šøA¡i¡t¡à
(4) T.H. Morgan : Linkage (4) [i¡.&ÒüW¡. ³¹Kà> : [º}ìA¡\
ALHCA/WW/Page 28 SPACE FOR ROUGH WORK English/Bengali

119. Winged pollen grains are present in 119. šÛ¡™åv¡û¡ š¹àKì¹oå ™àÒàìt¡ šà*Úà ™àÚ
(1) Mustard (1) ιìÈ
(2) Mango (2) "à³
(3) Cycas (3) ÎàÒüA¡Î
(4) Pinus (4) šàÒü>Î
120. After karyogamy followed by meiosis, spores are 120. [>´•[º[Jt¡ P¡[º¹ ³ì‹¸ ëA¡@ƒøA¡ Î}ºÚ> &¤}
produced exogenously in "‹¢Îèyã[¤®¡à\> &¹ šÆW¡àt¡ ¤ã\àoå ¤[ÒK¢t¡ ¹ê¡ìš l¡ü;šÄ
(1) Neurospora ÒÚ
(2) Agaricus (1) [>Úåì¹àìÑšà¹à
(3) Alternaria (2) "ìKì¹[A¡Î
(4) Saccharomyces (3) "àÂi¡¹ì>[¹Úà
(4) îÎìA¡ì¹à³àÒüÎã\
121. Which one is wrongly matched ?
121. ìA¡à>[i¡ìA¡ ®å¡º ®¡àì¤ ë\àØl¡à ÒìÚìá ?
(1) Uniflagellate gametes – Polysiphonia
(1) &A¡A¡Åà™åv¡û¡ \>>ìA¡àÅ – šà[ºÎàÒüìó¡à[>Úà
(2) Gemma cups – Marchantia
(2) ìK³à A¡àš – ³àìA¢¡[ÅÚà
(3) Biflagellate zoospores – Brown algae
(4) Unicellular organism – Chlorella [‡A¡Åà™åv¡û¡ W¡ºì¹oå
(3) – ¤àƒà³ã "¸àºKã
(4) &A¡ìA¡àÅã \㤠– ìAáà칺à
122. Match the items given in Column I with those in
122. Îà¹oã I * Îà¹oã II Î[k¡A¡ ®¡àì¤ Îà\àìt¡ &¤} Î[k¡A¡
Column II and select the correct option given
below :
l¡üv¡¹[i¡ Å>àv¡û¡ A¡ì¹à :
Column I Column II
Îà¹oã I Îà¹oã II
a. Òà¹ì¤[¹Úà³ i. &[i¡ &A¡[i¡ Ñ‚à> ™àÒà
a. Herbarium i. It is a place having a
collection of preserved
Î}¹Û¡ãt¡ l¡ü[Š±ƒ &¤}
plants and animals. šøàoã Î}KøÒ ¡ú
b. Key ii. A list that enumerates b. A¡ã (key) ii. &A¡[i¡ t¡à[ºA¡à ¤à &A¡[i¡
methodically all the "sW¡ìº¹ ÎA¡º šø\à[t¡¹
species found in an area šøoàºã¤‡ý¡ K>> ÎÒ
with brief description Î}ۡ㜡 ¤o¢>à ¤à Å>àv¡û¡
aiding identification. A¡¹ìo ÎÒàÚt¡à A¡ì¹ ú
c. Museum iii. Is a place where dried and c. [³l¡ü[\Úà³ iii. ÒüÒà &A¡[i¡ Ñ‚à> ë™Jàì>
pressed plant specimens
Ç¡ÑHþ * W¡àš ëƒ*Úà l¡ü[Š±ƒ
mounted on sheets are
kept.
A¡àKì\ Ñ‚à[št¡ A¡¹à
d. Catalogue iv. A booklet containing a list "¤Ñ‚àÚ ¹àJà ÒÚ ú
of characters and their d. A¡¸ài¡àºK iv. &A¡[i¡ šå[ÑzA¡à ™àÒàìt¡
alternates which are í¤[ÅÊ¡¹ t¡à[ºA¡à *
helpful in identification of t¡àÒà샹 [¤A¡¿ "àìá
various taxa. ™àÒà [¤[®¡Ä i¡¸àGà¹
a b c d Î>àv¡û¡A¡¹ì> l¡üšì™àKã ú
(1) i iv iii ii a b c d
(2) ii iv iii i (1) i iv iii ii

(2) ii iv iii i
(3) iii ii i iv
(3) iii ii i iv
(4) iii iv i ii (4) iii iv i ii
ALHCA/WW/Page 29 SPACE FOR ROUGH WORK English/Bengali

123. Secondary xylem and phloem in dicot stem are 123. [‡¤ã\šyã A¡àì“¡ ëKï> \àÒü캳 &¤} ëóáàì>Ú ™à ë=ìA¡
produced by l¡ü;šÄ ÒÚ
(1) Apical meristems (1) "KøÑ‚ ®¡à\A¡ A¡ºà
(2) Phellogen (2) A¡A¢¡-&‹à
(3) Vascular cambium (3) >à[ºA¡à &‹à
(4) A¡à[Û¡A¡ ®¡à\A¡ A¡ºà
(4) Axillary meristems
124. Pneumatophores occur in 124. ѬàÎ³èº ™àÒàìt¡ šà*Úà ™àÚ
(1) Halophytes (1) Ò¸àìºàó¡àÒüi¡Îô
(2) Carnivorous plants (2) št¡U®è¡³ l¡ü[Š±ƒ

(3) Free-floating hydrophytes (3) ™åv¡û¡šÃ¤ã ÒàÒüìl¡öàó¡àÒüi¡Îô

(4) Submerged hydrophytes (4) [>³[\t¡ ÒàÒüìl¡öàó¡àÒüi¡Îô

125. Sweet potato is a modified 125. [³[Ê¡ "àºå Òº &A¡[i¡ š[¹¤[t¢¡t¡
(1) A¡à“¡
(1) Stem
(2) šø‹à> ³èº
(2) Tap root
(3) "Ñ‚à[>A¡ ³èº
(3) Adventitious root
(4) Kø[”‚A¡@ƒ
(4) Rhizome
126. [>ì´•v¡û¡ ëA¡à> [¤¤õ[t¡[i¡ Î[k¡A¡ ?
126. Which of the following statements is correct ?
(1) ¤¸àv¡û¡¤ãÒã l¡ü[Š±ìƒ [l¡´¬A¡ [l¡´¬àÅÚ ‡à¹à š[¹¤õv¡
(1) Ovules are not enclosed by ovary wall in
gymnosperms.
>Ú ú
(2) Ò¹Îìi¡ÒüºÎ Òº ¤¸àv¡û¡¤ãÒã ¡ú
(2) Horsetails are gymnosperms.
(3) [Îìº[\ì>ºà Òº "γì¹oåšøÎè [A¡”ñ Îà¾ã[>Úà Òº
(3) Selaginella is heterosporous, while Salvinia
is homosporous.
γì¹oåšøÎè ú
(4) ÎàÒüA¡Î &¤} [Îl¡öÎ l¡ü®¡Ú-&¹ A¡à“¡ ÅàJà™åv¡û¡
(4) Stems are usually unbranched in both
Cycas and Cedrus.
>Ú ú
127. Select the wrong statement : 127. ®è¡º [¤¤õ[t¡[i¡ [>¤¢àW¡> A¡¹ :

(1) Cell wall is present in members of Fungi (1) ó¡à>\ã * šÃ¸à>[i¡ìt¡ ëA¡àÅšøàW¡ã¹ "àìá ú
and Plantae. (2) ሚƒ Òº ëÑšàì¹àì\àÚàì>¹ W¡º>-* 뮡à\>
(2) Pseudopodia are locomotory and feeding Kk¡o ú
structures in Sporozoans. (3) Jàƒ¸áyàA¡ ë¤[Î[l¡ìÚà³àÒü[Î[i¡Î &¹ "”zK¢t¡ ú
(3) Mushrooms belong to Basidiomycetes. (4) ì³àì>¹à áàØl¡à ÎA¡º ¹àì\¸¹ ³àÒüìi¡àA¡>[l¡öÚà
(4) Mitochondria are the powerhouse of the cell ëA¡àìŹ Å[v¡û¡ ëA¡@ƒø ú
in all kingdoms except Monera. 128. A¡¸àÎàìš[¹Úà> š[i¡ ™àÒàìt¡ šà*Úà ™àÚ
128. Casparian strips occur in (1) ¤[ÒÑ~A¡
(1) Epidermis (2) ¤[ÒÑz¹
(2) Cortex (3) š[¹¹´±
(3) Pericycle (4) "”zÑ~A¡
(4) Endodermis
129. ì™ l¡ü[Š±ìƒ Ѭµ "=¤à ëA¡à> šøA¡à¹ ëKïo¤õ[‡ý¡ Qìi¡ >à
129. Plants having little or no secondary growth are t¡à¹à Òº ?
(1) Grasses (1) QàÎ

(2) Conifers (2) A¡[>ó¡à¹Îô
(3) Deciduous angiosperms (3) šo¢ì³àW¡ã P¡œ¡¤ã\ã
(4) Cycads (4) ÎàÒüA¡¸àl¡Îô
ALHCA/WW/Page 30 SPACE FOR ROUGH WORK English/Bengali

130. A ‘new’ variety of rice was patented by a foreign 130. &A¡[i¡ [¤ìƒÅã ëA¡à´šà>ã &A¡ ‘>èt¡>’ šø\à[t¡¹ ‹à>
company, though such varieties have been ëšìi¡@i¡ A¡ì¹>, ™[ƒ* ëÎÒü ‹¹ìo¹ šø\à[t¡ ¤×å šè¤¢
present in India for a long time. This is related to
ë=ìA¡Òü ®¡à¹ìt¡ l¡üš[Ñ‚t¡ ¡ú &i¡à ™à¹ ÎìU δš[A¢¡t¡
(1) Co-667 (1) Co-667
(2) Lerma Rojo ºà¹³à ë¹àì\à
(2)
(3) Sharbati Sonora Î๤[t¡ ëÎà>à¹à
(3)
(4) Basmati ¤àγ[t¡
(4)

131. Which of the following is commonly used as a 131. [>ì´•àv¡û¡ ëA¡à>[i¡ Îà‹à¹ot¡– ³à>åìȹ [º³ìó¡àÎàÒüi¡-&
vector for introducing a DNA fragment in human DNA šøì¤ìŹ \>¸ 뮡A¡i¡¹ [ÒÎàì¤ ¤¸¤Òê¡t¡ ÒÚ
lymphocytes ? (1) ì¹i¡ì¹à®¡àÒü¹àÎ
(1) Retrovirus (2)  ó¡à\
(2)  phage (3) Ti šÃàÎ[³l¡
(3) Ti plasmid (4) pBR 322
(4) pBR 322 132. ì\ì>[i¡A¡¸à[º ³[l¡ó¡àìÚl¡ \㤠Îà‹à¹ìo¹ ¤¸¤Ò๠\>¸
132. In India, the organisation responsible for
šø¤t¢¡> A¡¹à Òìº ®¡à¹ìt¡¹ ëA¡à> Î}Ñ‚à t¡à¹ ¹Û¡à Î}yû¡à”z
assessing the safety of introducing genetically [¤ÈÚ š[¹³àš A¡ì¹ ?
modified organisms for public use is (1) Òü[“¡àÚ> A¡àl¡ü>[κ "¤ ì³[l¡A¡¸àº [¹ÎàW¢¡
(1) Indian Council of Medical Research (ICMR) (ICMR)
(2) Research Committee on Genetic (2) [¹ÎàW¢¡ A¡[³[i¡ "> ë\ì>[i¡A¡ ³¸à[>šåìºÎ>
Manipulation (RCGM) (RCGM)
(3) Council for Scientific and Industrial (3) A¡àl¡ü>[κ "¤ ÎàìÚ>[i¡[ó¡A¡ &“¡ Òü>l¡àÎ[i¡öÚàº
Research (CSIR) [¹ÎàW¢¡ (CSIR)
(4) Genetic Engineering Appraisal Committee (4) ì\ì>[i¡A¡ Òü>[\[>Úà[¹} "¸àš¹àÒü\ຠA¡[³[i¡
(GEAC) (GEAC)
133. Select the correct match : 133. Î[k¡A¡ ë\àØl¡[i¡ [>¤¢àW¡> A¡¹ :
(1) Ribozyme – Nucleic acid ¹àÒüì¤à\àÒü³
(1) – [>l¡ü[AáA¡ "¸à[Îl¡
(2) T.H. Morgan – Transduction (2) [i¡.&ÒüW¡. ³¹Kà> – i¡öàXl¡àA¡Åà>
(3) F2  Recessive parent – Dihybrid cross (3) F2  šøZáÄ \[>t¡à – [‡Î}A¡¹\>>
(4) G. Mendel – Transformation (4) [\. ë³>ìl¡º – i¡öàXó¡¹ì³Åà>
134. The correct order of steps in Polymerase Chain 134. š[º³àì¹\ ëW¡Òü> [¹"¸àA¡Îà> (PCR) & [¤[yû¡Úà ‹àìš¹
Reaction (PCR) is Î[k¡A¡ yû¡³[i¡ Òº
(1) Extension, Denaturation, Annealing (1) &Gìi¡>Îà>, [l¡>¸àWå¡ì¹Îà>, "¸à[>[º}
(2) Denaturation, Extension, Annealing (2) [l¡>¸àWå¡ì¹Îà>, &Gìi¡>Îà>, "¸à[>[º}
(3) Annealing, Extension, Denaturation (3) "¸à[>[º}, &Gìi¡>Îà>, [l¡>¸àWå¡ì¹Îà>
(4) Denaturation, Annealing, Extension (4) [l¡>¸àWå¡ì¹Îà>, "¸à[>[º}, &Gìi¡>Îà>
135. Use of bioresources by multinational companies 135. ìA¡à> ëƒÅ * t¡à¹ \>Îà‹¹ìo¹ ">åì³àƒ> áàØl¡àÒü ™J>
and organisations without authorisation from the ¤×\à[t¡A¡ ëA¡à´šà>ã * Î}Ñ‚à t¡à샹 í\¤ δšƒ
concerned country and its people is called ¤¸¤Ò๠A¡ì¹ t¡J> t¡àìA¡ ¤ìº
(1) Bio-infringement (1) ¤àìÚàÒü>[óø¡>\ì³@i¡

(2) Biodegradation (2) ¤àìÚà[l¡ìKøìl¡Îà>
(3) Biopiracy (3) ¤àìÚàšàÒüì¹[Î
(4) Bioexploitation (4) ¤àìÚà&GšÃÚìi¡Îà>
ALHCA/WW/Page 31 SPACE FOR ROUGH WORK English/Bengali

136. The transparent lens in the human eye is held in 136. Ѭá ëº>Îô ³à>åìȹ ëW¡àìJ [A¡®¡àì¤ šø[t¡Ñ‚à[št¡ A¡¹à ÒÚ ?
its place by
(1) Î[ÞꡤѶ>ã¹ Îàì= [Î[º¹à[¹ ¤[l¡ ™åv¡û¡ A¡ì¹
(1) ligaments attached to the ciliary body
(2) "àÒü[¹Å * ³Îõ> ëšÅã ™åv¡û¡ A¡ì¹
(2) smooth muscles attached to the iris
(3) ligaments attached to the iris (3) "àÒü[¹Å Ιåv¡û¡ Î[ÞꡤÞê¡>ã¹ ³à‹¸ì³
(4) smooth muscles attached to the ciliary body (4) [Î[ºÚà[¹ ¤[l¡¹ Îàì= ³Îõ> ëšÅã¹ ™åv¡û¡ A¡ì¹

137. Which of the following hormones can play a 137. [>´•[º[Jt¡ Ò¹ì³à> P¡[º¹ ³ì‹¸ ëA¡à>[i¡ A¡à™¢A¡¹ã ®è¡[³A¡à
significant role in osteoporosis ? šàº> A¡ì¹ "Î[i¡*ìšàì¹à[ÎÎ &¹ ëÛ¡ìy
(1) Aldosterone and Prolactin (1) "¸àºìl¡àìС¹> &¤} ëšøຸàA¡[i¡>
(2) Estrogen and Parathyroid hormone
(2) ÒüìÊ¡öàì\> &¤} š¸à¹à=àÒü¹ìÚl¡ Òà¹ì³à>
(3) Progesterone and Aldosterone
(3) šøì\ìС¹> &¤} "¸àºìl¡àìС¹>
(4) Parathyroid hormone and Prolactin
(4) š¸à¹à=àÒü¹ìÚl¡ Òà¹ì³à> &¤} ëšøຸàA¡[i¡>

138. Which of the following structures or regions is
138. [>´•[º[Jt¡ ëA¡à> "U Kk¡> ¤à "e¡º t¡à¹ A¡àì\¹ ÎìU
incorrectly paired with its function ?
Îàƒå™¸¢ ë>Òü ?
(1) Medulla oblongata : controls respiration
(1) ë³l塺à "¤º}Kài¡à : ŬÈ> &¤} Òꡃ[šì“¡¹
and cardiovascular
reflexes. šø[t¡¤t¢¡ [yû¡ÚàìA¡
[>Ú”|o A¡ì¹ ú
(2) Hypothalamus : production of
releasing hormones (2) ÒàÒüìšà=àºà³àÎ : t¡”ñ P¡Zá Ź㹠&¹
and regulation of t¡àš³àyàAå¡ Ûå¡‹à *
temperature, tõ¡Ì¡à [>Ú”|o A¡ì¹
hunger and thirst.
Ò¹ì³à>¹ Û¡¹o [>Ú”|ì>
(3) Limbic system : consists of fibre ÎàÒà™¸ A¡ì¹ ú
tracts that
(3) [º³[¤A¡ t¡”| : ó¡àÒü¤à¹ Ñ•àÚå š= ‡à¹à
interconnect
different regions of ít¡[¹ ¤à ³[ÑzìÍHþ¹ [¤[®¡Ä
brain; controls "¤ìŹ ³ì‹¸ γÞÚ
movement. Îà‹> A¡ì¹ ¡ú W¡ºì>
(4) Corpus callosum : band of fibers ÎàÒà™¸ A¡ì¹ ¡ú
connecting left and (4) A¡¹šàÎ A¡¸àìºàÎà³ : ¤à³ * ®¡à> ëÎ[¹¤øàº
right cerebral
hemispheres.
ëÒ[γìA¡¹à} ³ì‹¸
Î}ì™àKA¡[¹ ú
139. Which of the following is an amino acid derived 139. [>´•[º[Jt¡ ëA¡à> Ò¹ì³à>[i¡ &A¡[i¡ "¸à³àÒüì>à "¸à[Îl¡
hormone ?
ÒÒüìt¡ l¡üŠé±t¡
(1) Epinephrine (1) &[šì>[óø¡>
(2) Estradiol (2) &[Сö[l¡*º

(3) Ecdysone (3) &A¡l¡àÒüÅ>
(4) Estriol (4) &[СöÚº

ALHCA/WW/Page 32 SPACE FOR ROUGH WORK English/Bengali

140. All of the following are part of an operon except 140. [>ìW¡¹ ëA¡à>[i¡ *ìš¹> &¹ "}Å >Ú ?
(1) an operator (1) "šàì¹i¡¹
(2) an enhancer (2) &>ÒàXà¹
(3) structural genes (3) СöàA¡W¡à¹àº [\>
(4) a promoter (4) šøì³ài¡¹
141. AGGTATCGCAT is a sequence from the coding 141. &A¡[i¡ [\ì>¹ ëA¡à[l¡; Сöà“¡ &¹ yû¡³à>åÎ๠™[ƒ
strand of a gene. What will be the corresponding
AGGTATCGCAT ÒÚ ¡ú t¡àÒìº i¡ö}Xyû¡àÒü¤lô¡ mRNA
sequence of the transcribed mRNA ?
&¹ š[¹šè¹A¡ Сöàì“¡¹ yû¡³à>åÎ๠ëA¡à>[i¡ Òì¤ ?
(1) AGGUAUCGCAU
(1) AGGUAUCGCAU
(2) ACCUAUGCGAU
(2) ACCUAUGCGAU
(3) UGGTUTCGCAT
(3) UGGTUTCGCAT
(4) UCCAUAGCGUA
(4) UCCAUAGCGUA
142. Match the items given in Column I with those in
Column II and select the correct option given 142. Îà¹oã I * Îà¹oã II Î[k¡A¡ ®¡àì¤ Îà\àìt¡ &¤} Î[k¡A¡
below : l¡üv¡¹[i¡ Å>àv¡û¡ A¡ì¹à :
Column I Column II Îà¹oã I Îà¹oã II
a. Proliferative Phase i. Breakdown of a. ¤õ[‡ý¡¹ ƒÅà i. &쓡೸ài¡[¹ÚຠšøàW¡ã¹
endometrial [¤ºå[œ¡A¡¹o
lining
b. Û¡¹o ƒÅà ii. ó¡[ºA塺๠ƒÅà
b. Secretory Phase ii. Follicular Phase
c. ¹aW¡yû¡ iii. º¸å[i¡¹àº ƒÅà
c. Menstruation iii. Luteal Phase
a b c
a b c
(1) iii ii i
(1) iii ii i
(2) ii iii i
(2) ii iii i
(3) i iii ii
(3) i iii ii
(4) iii i ii
(4) iii i ii
143. [Òl¡üìKà [l¡-°àÒüÎ &¹ t¡â« ">å™à¹ã [¤¤t¢¡ì>¹ š‡ý¡t¡ã[i¡
143. According to Hugo de Vries, the mechanism of
Òº
evolution is
(1) ¤× "‹¸àÚ [¤[ÅÊ¡ š[¹¤¸[v¡û¡
(1) Multiple step mutations
(2) ¤[Ò¹àAõ¡[t¡¹ šøA¡à¹ 뮡ƒ
(2) Phenotypic variations
(3) κìi¡Å>
(3) Saltation
(4) Û塉 š[¹¤¸[v¡û¡
(4) Minor mutations

144. A woman has an X-linked condition on one of her 144. ìA¡à> ³[Һ๠ëA¡à> &A¡[i¡ X ìyû¡àì³à\ì³¹ &A¡[i¡
X chromosomes. This chromosome can be X-[º}A¡l¡ ƒÅà l¡üš[Ñ‚t¡ ¡ú ëÎìÛ¡ìy ëyû¡àì³à\³[i¡
inherited by ¤}ÅKt¡à š¹¤v¢¡ã š™¢àìÚ A¡à¹ ³à‹¸ì³ ¤à[Òt¡ Òì¤ ¡
(1) Only daughters (1) Îå‹å³ày A¡>¸à
(2) Only grandchildren (2) Ç¡‹å³ày ìšøïy¹ ³à‹¸ì³

(3) Only sons (3) Ç¡‹å³ày šåy
(4) Both sons and daughters (4) šåy * A¡>¸à l¡ü®¡ìÚ¹ ‡à¹à
ALHCA/WW/Page 33 SPACE FOR ROUGH WORK English/Bengali

145. In which disease does mosquito transmitted 145. ³Åà š[¹¤à[Òt¡ ëA¡à> ì¹àìK¹ ºÛ¡o Òº º[ÎA¡à >àºã¹
pathogen cause chronic inflammation of
ƒãQ¢A¡àºã> šø¤àÒ ?
lymphatic vessels ?
(1) &[ºó¡¸à>[i¡Úà[ÎÎ (Kòàƒ)
(1) Elephantiasis
(2) [¹}*Úà³¢ (ƒàƒ)
(2) Ringworm disease
(3) Ascariasis (3) "¸àÎA¡à[¹Úà[ÎÎ
(4) Amoebiasis (4) "¸à[³¤àìÚà[ÎÎ ("à³àÅà)

146. Among the following sets of examples for 146. [>ìW¡¹ ëA¡à>[i¡ "šÎà¹ã [¤¤t¢¡ì>¹ l¡üƒàÒ¹> >Ú :
divergent evolution, select the incorrect option : (1) ³à>åìȹ, ¤àƒåì¹¹ * [W¡t¡à¹ Îà³ì>¹ šà
(1) Forelimbs of man, bat and cheetah (2) ¤àƒåì¹¹, ³à>åìȹ * [W¡t¡à¹ ³[ÑzÑHþ
(2) Brain of bat, man and cheetah
(3) ¤àƒåì¹¹, ³à>åìȹ * [W¡t¡à¹ Òê¡;[š“¡
(3) Heart of bat, man and cheetah
(4) "àìC¡àšàÅ, ¤àƒåì¹¹ * ³à>åìȹ ìW¡àJ
(4) Eye of octopus, bat and man
147. [>ìW¡¹ ëA¡à> ë¹àK[i¡ &A¡[i¡ "ìi¡àÒü³åÒü> ë¹àK >ìÒ ?
147. Which of the following is not an autoimmune
disease ? (1) ìÎà[¹Úà[ÎÎ
(1) Psoriasis (2) "¸àºìc¡Òü³¹ ì¹àK
(2) Alzheimer’s disease (3) [¹l¡ü³¸à[i¡l¡ "ì=¢à¹àÒü[i¡Î
(3) Rheumatoid arthritis (4) ®¡àÒü[i¡[ºìKà
(4) Vitiligo
148. ¤× 볹硃“¡ã šøà>ã¹ Îà³ì>¹ šàìÚ "[Ñ‚¹ Kk¡> &A¡Òü
148. The similarity of bone structure in the forelimbs Òìº – t¡àìA¡ ¤ºà ÒÚ
of many vertebrates is an example of
(1) ìÒàì³àº[\
(1) Homology
(2) "[®¡Îà¹ã [¤¤t¢¡>
(2) Convergent evolution
(3) Analogy (3) "¸à>àº[\

(4) Adaptive radiation (4) "¸àl¡àš[i¡®¡ ë¹[l¡&Å> ("[®¡ì™à\A¡ [¤A¡ã¹>)

149. Conversion of milk to curd improves its 149. ƒå‹ ë=ìA¡ ƒÒü ít¡[¹ Òìº t¡à¹ šå[Ê¡A¡àt¡ l¡üÄ[t¡ ÒÚ ¡ú
nutritional value by increasing the amount of A¡à¹>
(1) Vitamin D (1) [®¡i¡à[³> D
(2) Vitamin B12 (2) [®¡i¡à[³> B12
(3) Vitamin A (3) [®¡i¡à[³> A
(4) Vitamin E (4) [®¡i¡à[³> E

150. Which of the following characteristics represent 150. [>´•[º[Jt¡ ëA¡à> í¤[ÈìС¹ ³à>åìȹ ‘¤Ãàl¡ Køç¡š ¤}ÅK[t¡¹’
‘Inheritance of blood groups’ in humans ? š¹¤v¢¡ã š™¢àìÚ ¤à[Òt¡ ÒÚ ?
a. Dominance
a. šøA¡št¡à
b. Co-dominance b. ÎÒ šøA¡št¡à
c. Multiple allele c. ¤× "¸à[º[º
d. Incomplete dominance d. "šèo¢ šøA¡št¡à
e. Polygenic inheritance e. ¤× [\ì>¹ ³à‹¸ì³ ¤à[Òt¡ Ò*Úà
(1) b, c and e (1) b, c &¤} e
(2) b, d and e

(2) b, d &¤} e
(3) a, b and c (3) a, b &¤} c
(4) a, c and e (4) a, c &¤} e
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151. Which one of the following population 151. [W¡[A¡;Îà [¤`¡à> ëA¡à> ‹¹ì>¹ \>³>[¤i¡¹ šà¹Ñš[¹A¡
interactions is widely used in medical science for
the production of antibiotics ?
"à”z[yû¡Úà "à[@i¡¤àìÚà[i¡A¡ ít¡[¹ìt¡ ë¤Åã ¤¸¤Òê¡t¡ ÒÚ ¡ú
(1) Commensalism (1) A¡ì³>ìÎ[º\³
(2) Parasitism (2) š¸à¹à[Î[i¡\³
(3) Mutualism (3) [³l¡üWå¡Úà[º\³
(4) Amensalism
(4) "¸àì³>ìÎ[º\³
152. All of the following are included in ‘Ex-situ
152. [>´•[º[Jìt¡¹ ΤP¡[º¹ ëÛ¡ìyÒü ‘'G[Îiå¡ A¡>Îà¹ì®¡Å>’
conservation’ except
(1) Wildlife safari parks 䱤 Ç¡‹å ³ày ¤àƒ Î[k¡A¡ l¡üv¡¹[i¡ [ºJ
(2) Botanical gardens (1) ¤>¸šøà>ã Îàó¡à¹ã šàA¢¡
(3) Sacred groves (2) l¡ü[Š±ƒ l¡üƒ¸à>
(4) Seed banks
(3) ÎàA¡ì¹l¡ ëKø஡
153. Match the items given in Column I with those in (4) ¤ã\ ([Îl¡) ¤¸àS¡
Column II and select the correct option given
below : 153. Îà¹oã I * Îà¹oã II Î[k¡A¡ ®¡àì¤ Îà\àìt¡ &¤} Î[k¡A¡
Column I Column II l¡üv¡¹[i¡ Å>àv¡û¡ A¡ì¹à :
a. Eutrophication i. UV-B radiation Îà¹oã I Îà¹oã II
b. Sanitary landfill ii. Deforestation a. Òül¡üìi¡öà[ó¡ìA¡Å> i. UV-B ¹[v¡û¡³
c. Snow blindness iii. Nutrient b. º¤>àv¡û¡ º¸à“¡[ó¡º ii. [l¡ó¡ì¹Îìi¡Å>
enrichment c. ìÑ•à ¤ÃàÒü“¡ì>Îô iii. šå[Ê¡ ¤‹¢A¡
d. Jhum cultivation iv. Waste disposal
d. c塳 W¡à³ iv. ¤\¢ [>ÍHþàÅ>
a b c d
a b c d
(1) ii i iii iv (1) ii i iii iv
(2) iii iv i ii (2) iii iv i ii
(3) i iii iv ii (3) i iii iv ii
(4) i ii iv iii (4) i ii iv iii

154. In a growing population of a country, 154.ìA¡à> ëƒìŹ yû¡³¤‹¢³à> \>γС㹠³ì‹¸
(1) pre-reproductive individuals are more than (1) \>ì> "Û¡³ ¤¸à[v¡û¡¹ Î}J¸à \>ì> ÎÛ¡³ ¤¸à[v¡û¡¹
the reproductive individuals. t塺>àÚ ë¤Åã ¡ú
(2) reproductive and pre-reproductive
(2) \>>Û¡³ * \>ì> "Û¡³ ¤¸à[v¡û¡¹ Î}J¸à γà> ¡ú
individuals are equal in number.
(3) reproductive individuals are less than the (3) \>>Û¡³ ¤¸à[v¡û¡¹ Î}J¸à \>>l¡ü[v¡>¢ ¤¸à[v¡û¡¹
post-reproductive individuals. t塺>àÚ A¡³ ¡ú
(4) pre-reproductive individuals are less than (4) \>ì> "Û¡³ ¤¸à[v¡û¡¹ Î}J¸à \>>Û¡³ ¤¸à[v¡û¡¹
the reproductive individuals. t塺>àÚ A¡³ ¡ú
155. Which part of poppy plant is used to obtain the 155. š[š Kàìá¹ ëA¡à> "}Å ë=ìA¡ ‘‘ѶàA¡’’ ít¡[¹ ÒÚ
drug ‘‘Smack’’ ?
(1) ó塺
(1) Flowers
(2) ìÅA¡Øl¡

(2) Roots
(3) Latex (3) º¸àìi¡G
(4) Leaves (4) šàt¡à

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156. Hormones secreted by the placenta to maintain 156. K®¢¡à¤Ñ‚àÚ ì™ Î³Ñz Ò¹ì³à> P¡[º [>–Îõt¡ ÒÚ t¡à¹à Òº
pregnancy are (1) hCG, hPL, šøì\Îìi¡àì\>, ëšøຸàA¡[i¡>
(1) hCG, hPL, progestogens, prolactin (2) hCG, hPL, šøì\Îìi¡àì\>, ÒüìСöàì\>
(2) hCG, hPL, progestogens, estrogens (3) hCG, hPL, ÒüìСöàì\>, [¹ºà[G>, "[Gìi¡à[Î>
(3) hCG, hPL, estrogens, relaxin, oxytocin (4) hCG, šøì\Îìi¡àì\>, ÒüìÊ¡öàì\>,
(4) hCG, progestogens, estrogens, NÃåìA¡àA¡¹[i¡ìA¡àìС¹Úl¡Îô
glucocorticoids
157. \@µ[>ì¹à‹A¡ ¤[Øl¡ ‘ÎìҺ㒠A¡à\ A¡ì¹
157. The contraceptive ‘SAHELI’
(1) Òül¡üìi¡¹àìÎ ÒüìСöàì\> KøàÒA¡ &¹ A¡àìá ¤à‹à Îõ[Ê¡
(1) blocks estrogen receptors in the uterus, A¡ì¹ &¤} [l¡´¬ šø[t¡Ñ‚àšì> ¤à‹à ëƒÚ ¡ú
preventing eggs from getting implanted.
(2) &i¡à &A¡i¡à IUD ¡ú
(2) is an IUD.
(3) ÒüìСöàì\> &¹ Q>â« ¤à[Øl¡ìÚ ëƒÚ &¤} [l¡´¬
(3) increases the concentration of estrogen and
prevents ovulation in females.
[>–ιì> ¤à‹à ëƒÚ ¡ú
(4) is a post-coital contraceptive. (4) Î}Kì³¹ š¹¤v¢¡ã š™¢àÚ &¹ Î³Ú K®¢¡ [>ì¹à‹A¡
[ÒÎàì¤ A¡à\ A¡ì¹ ¡ú
158. The amnion of mammalian embryo is derived
from 158. ³à>åìȹ °ç¡o &¹ "¸à³[>Ú> ëA¡à=à ë=ìA¡ ít¡[¹ ÒÚ
(1) ectoderm and mesoderm (1) &ìC¡àl¡à³¢ * ë³ìÎàl¡à³¢ ë=ìA¡
(2) mesoderm and trophoblast (2) ì³ì³àl¡à³¢ * i¡öìó¡à¤ÃàС ë=ìA¡
(3) endoderm and mesoderm (3) &ì“¡àl¡à³¢ * ë³ìÎàl¡à³¢ ë=ìA¡
(4) ectoderm and endoderm (4) &ìC¡àl¡à³¢ * &ì“¡àl¡à³¢ ë=ìA¡

159. The difference between spermiogenesis and 159. њ๳àìÚàì\ì>[ÎÎ * Ñšà¹[³ì¹Å> &¹ šà=¢A¡¸ Òìº
spermiation is
(1) њ๳àìÚàì\ì>[ÎÎ &¹ ó¡ìº &A¡[i¡ Ñšà³¢à[i¡l¡
(1) In spermiogenesis spermatids are formed,
ît¡[¹ ÒÚ, &¤} Ñšà¹[³ì¹Å>¹ ó¡ìº
while in spermiation spermatozoa are
Ñšà³¢àìi¡àì\àÚà ít¡[¹ ÒÚ ¡ú
formed.
(2) њ๳àì¹àì\ì>[Îìι Î³Ú Ñšà³¢àìi¡àì\àÚà
(2) In spermiogenesis spermatozoa from sertoli
³à¹i¡[º ëA¡àÈ ë=ìA¡ ë³[³[>ìó¡¹àÎ [i¡l¡ü[¤l¡üìº
cells are released into the cavity of
šøì¤Å A¡ì¹ ">¸[ƒìA¡ Ñšà¹[³ì¹Å> &¹ γÚ
seminiferous tubules, while in spermiation
Ñšà³¢àìi¡àì\àÚà ít¡[¹ ÒÚ ¡ú
spermatozoa are formed.
(3) њ๳àìÚàì\ì>[ÎÎ &¹ ó¡ìº њ๳ài¡àì\àÚà
(3) In spermiogenesis spermatozoa are formed,
ít¡[¹ ÒÚ ">¸[ƒA¡ Ñšà¹[³ìÚÅ> &¹ ó¡ìº
while in spermiation spermatids are
Ñšà³¢à[i¡l¡ ít¡[¹ ÒÚ ú
formed.
(4) њ๳àìÚàì\ì>[³ìι ó¡ìº Ñšà³¢àìi¡àì\àÚàÎô
(4) In spermiogenesis spermatozoa are formed,
ít¡[¹ ÒÚ ">¸à[ƒìA¡ Ñšà¹[³ìÚÅ> &¹ γÚ

while in spermiation spermatozoa are
released from sertoli cells into the cavity of
Ñšà³¢àìi¡àì\àÚà ëÎ[³[>ìó¡¹àÎ [i¡l¡ü[i¡l¡üì>¹ ³ì‹¸
seminiferous tubules.
šøì¤Å A¡ì¹ ¡ú
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160. Which of the following options correctly 160. [>ìW¡¹ ëA¡à> l¡üv¡¹[i¡ Î[k¡A¡ ®¡àì¤ óå¡Îóå¡ìι "¤Ñ‚à ¤o¢>à
represents the lung conditions in asthma and
emphysema, respectively ?
A¡ì¹ ™J> ëA¡à> ¤¸[v¡û¡ ™=àyû¡ì³ Òàšà>ã * &³ó¡àÒüìųàÚ
(1) Inflammation of bronchioles; Decreased 뮡àìK ?
respiratory surface (1) l¡üšìAáà³ÅàJ๠šøƒàÒ; Îã[³t¡ ŬÈ>t¡º
(2) Increased respiratory surface;
Inflammation of bronchioles (2) ¤[‹¢t¡ ŬÈ>t¡º; l¡üšìAáà³ÅàJ๠šøƒàÒ
(3) Increased number of bronchioles; Increased (3) l¡üšìAáà³ÅàJ๠Î}J¸à[‹A¡¸; ¤[‹¢t¡ ŬÈ>t¡º
respiratory surface
(4) Îã[³t¡ ŬÈ>t¡º; l¡üšìAáà³ÅàQ๠šøƒàÒ
(4) Decreased respiratory surface;
Inflammation of bronchioles
161. Îà¹oã I * Îà¹oã II Î[k¡A¡ ®¡àì¤ Îà\àìt¡ &¤} Î[k¡A¡
161. Match the items given in Column I with those in
l¡üv¡¹[i¡ Å>àv¡û¡ A¡ì¹à :
Column II and select the correct option given
below : Îà¹oã I Îà¹oã II
Column I Column II a. [yšyA¡ A¡šà[i¡A¡à i. ¤à³ "[º@ƒ * ¤à³ [>ºÚ
a. Tricuspid valve i. Between left atrium
and left ventricle
b. [‡šyA¡ A¡šà[i¡A¡à ii. l¡à> [>ºÚ * óå¡Îóå¡ÎãÚ

b. Bicuspid valve ii. Between right ‹³>ã
ventricle and c. ìÎ[³[ºl¡ü>๠iii. l¡à> "[º@ƒ *
pulmonary artery
A¡šà[i¡A¡à l¡à> [>ºÚ
c. Semilunar valve iii. Between right
a b c
atrium and right
ventricle (1) iii i ii
a b c (2) i ii iii
(1) iii i ii
(3) i iii ii
(2) i ii iii
(4) ii i iii
(3) i iii ii
(4) ii i iii
162. Îà¹oã I * Îà¹oã II Î[k¡A¡ ®¡àì¤ Îà\àìt¡ &¤} Î[k¡A¡
162. Match the items given in Column I with those in l¡üv¡¹[i¡ Å>àv¡û¡ A¡ì¹à :
Column II and select the correct option given
below : Îà¹oã I Îà¹oã II
Column I Column II a. ì\àÚ๠¤àÚåš[¹³à> i. 2500 – 3000 mL
a. Tidal volume i. 2500 – 3000 mL b. šøŬàÎ [yû¡Ú๠"[t¡[¹v¡û¡¡ ii. 1100 – 1200 mL
b. Inspiratory Reserve ii. 1100 – 1200 mL ¤àÚå¹ š[¹³à>
volume
c. [>ŬàÎ [yû¡Ú๠"[t¡[¹v¡û¡ iii. 500 – 550 mL
c. Expiratory Reserve iii. 500 – 550 mL
volume
¤àÚå¹ š[¹³à>
d. Residual volume iv. 1000 – 1100 mL d. "¤ìÅÈ ¤àÚå š[¹³à> iv. 1000 – 1100 mL

a b c d a b c d

(1) iii ii i iv (1) iii ii i iv

(2) i iv ii iii (2) i iv ii iii

(3) iii i iv ii (3) iii i iv ii

(4) iv iii ii i (4) iv iii ii i

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163. Match the items given in Column I with those in 163. Îà¹oã I * Îà¹oã II Î[k¡A¡ ®¡àì¤ Îà\àìt¡ &¤} Î[k¡A¡
Column II and select the correct option given l¡üv¡¹[i¡ Å>àv¡û¡ A¡ì¹à :
below :
Îà¹oã I Îà¹oã II
Column I Column II
(A¡à™¸¢) (l¡ü;Î\¢> t¡ì”|¹ ®¡àK)
(Function) (Part of Excretory
System) a. "[t¡³à[yA¡ š[¹Ñ÷ç¡t¡ i. ìÒ>Åã¹ ºåšà
a. Ultrafiltration i. Henle’s loop
A¡¹> (š¹à š[¹Ñ÷à¤>)
b. Concentration ii. Ureter
b. ³åìy¹ KàØn¡â« ii. ³åy>àºã
of urine c. ³åìy¹ š[¹¤Ò> iii. ³åy=ºã
c. Transport of iii. Urinary bladder d. ³åìy¹ Îe¡Ú iv. ³¸àº[š[\Úº
urine
A¡¹šàκÎô
d. Storage of urine iv. Malpighian
corpuscle
v. š¹Î}¤t¢¡ >à[ºA¡à
v. Proximal a b c d
convoluted tubule (1) iv v ii iii
a b c d (2) v iv i ii
(1) iv v ii iii (3) iv i ii iii
(2) v iv i ii
(4) v iv i iii
(3) iv i ii iii
(4) v iv i iii
164. Îà¹oã I * Îà¹oã II Î[k¡A¡ ®¡àì¤ Îà\àìt¡ &¤} Î[k¡A¡
164. Match the items given in Column I with those in l¡üv¡¹[i¡ Å>àv¡û¡ A¡ì¹à :
Column II and select the correct option given
Îà¹oã I Îà¹oã II
below :
a. NÃàÒüìA¡àÎå[¹Úà i. Î[Þê¡Ñ‚ìº Òül¡ü[¹A¡
Column I Column II
"¸à[Îl¡ \³à Ò*Úà
a. Glycosuria i. Accumulation of uric
acid in joints b. Kàl¡üi¡ ii. Ñ£¡[i¡A¡à캹 º¤>
b. Gout ii. Mass of crystallised
\àt¡ãÚ ¤Ññ [A¡l¡[>t¡
salts within the kidney \³à Ò*Úà
c. Renal calculi iii. Inflammation in c. ì¹>ຠA¡¸àºA¡¸åºàÒü iii. ìNÃà³à¹ç¡ºàì>¹ šøƒàÒ
glomeruli
d. ìNÃà쳹硺àÎ iv. ³åìy NÃåìA¡à\
d. Glomerular iv. Presence of glucose in ë>óø¡àÒü[i¡Î l¡üš[Ñ‚[t¡
nephritis urine
a b c d
a b c d
(1) iii ii iv i
(1) iii ii iv i
(2) ii iii i iv (2) ii iii i iv

(3) i ii iii iv (3) i ii iii iv
(4) iv i ii iii (4) iv i ii iii
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165. Which of the following is an occupational 165. [>´•[º[Jt¡ P¡[º¹ ³ì‹¸ ëA¡à>[i¡ A¡³¢ìÛ¡y \[>t¡
respiratory disorder ? óå¡Îóå¡ìι ë¹àK ?
(1) Anthracis (1) &>=øà[ÎÎ

(2) Botulism (2) ¤iå¡[º\³

(3) Silicosis (3) [Î[ºìA¡à[ÎÎ

(4) Emphysema (4) &³ó¡àÒüìųà

166. Calcium is important in skeletal muscle 166. A¡¸àº[ÎÚà³ "Ñ‚ã ëšÅã¹ Î}A¡ìW¡àì> [¤ìÅÈ ®è¡[³A¡à šàº>
contraction because it A¡ì¹ A¡à¹>
(1) binds to troponin to remove the masking of (1) ëi¡öàìšà[>> &¹ Îàì= ™åv¡û¡ ÒìÚ ³àìÚà[Îì>¹ Îyû¡ãÚ
active sites on actin for myosin. "}ÅìA¡ "àØl¡àº A¡ì¹ ¡ú
(2) detaches the myosin head from the actin (2) ³àìÚà[Î> ìÒl¡ìA¡ "¸àA¡[i¡> t¡”ñ ë=ìA¡ šõ=A¡
filament. A¡ì¹ ¡ú
(3) activates the myosin ATPase by binding to (3) ³àìÚà[Î> ATPase &¹ ™åv¡û¡ÒìÚ t¡àìA¡ l¡ü[„[št¡
it. A¡ì¹ ¡ú
(4) prevents the formation of bonds between (4) ³àìÚà[Î> yû¡Å ¤øã\ * "¸àA¡[i¡> "”z¹ ³ì‹¸ ¤“¡
the myosin cross bridges and the actin ít¡[¹ìt¡ ¤à‹àƒà> A¡ì¹ ¡ú
filament.
167. Îà¹oã I * Îà¹oã II Î[k¡A¡ ®¡àì¤ Îà\àìt¡ &¤} Î[k¡A¡
167. Match the items given in Column I with those in l¡üv¡¹[i¡ Å>àv¡û¡ A¡ì¹à :
Column II and select the correct option given
Îà¹oã I Îà¹oã II
below :
a. ó¡àÒü[¤øì>àì\> i. "Îì³à[i¡A¡ šø[yû¡Úà¹
Column I Column II
®¡à¹Î೸t¡à
a. Fibrinogen i. Osmotic balance
b. NÃå[¤l¡ü[º> ii. ¹v¡û¡t¡e¡>
b. Globulin ii. Blood clotting
c. "¸àº¤å[³> iii. šø[t¡¹Û¡à
c. Albumin iii. Defence mechanism
a b c
a b c (1) iii ii i
(1) iii ii i
(2) i iii ii
(2) i iii ii
(3) i ii iii (3) i ii iii

(4) ii iii i (4) ii iii i

168. Which of the following gastric cells indirectly 168. ëA¡à> šàA¡Ñ‚ºãÚ ëA¡àÈ "šøt¡Û¡¸ ®¡àì¤ &[¹ì=øàìšàìÚ[ÅìÎ
help in erythropoiesis ? ÎàÒà™¸ A¡ì¹ ?
(1) Chief cells (1) [W¡ó¡ ëA¡àÈ
(2) Goblet cells (2) K¤ìºi¡ ëA¡àÈ

(3) Mucous cells (3) [³l¡üA¡àÅ ëA¡àÈ
(4) Parietal cells (4) š¸à¹àÒüi¡àº ëA¡àÈ

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169. Which of these statements is incorrect ? [>ìW¡¹ ëA¡à> ¤v¡û¡¤¸[i¡ Î[k¡A¡ >Ú ?
169.
(1) Enzymes of TCA cycle are present in (1) TCA W¡ìyû¡ l¡ü;ìÎW¡A¡ γåÒ ³àÒüìi¡àA¡>[l¡öÚàº
mitochondrial matrix. ³¸à[i¡öG& =àìA¡ ¡ú
(2) Glycolysis operates as long as it is supplied (2) ™t¡Û¡o š™¢”z NAD &¹ ι¤¹àÒ W¡ºìt¡ =àìA¡ ¤à
with NAD that can pick up hydrogen atoms. [A¡>à ÒàÒüìl¡öàì\> š¹³àoå tå¡ìº [>ìt¡ šàì¹
(3) Glycolysis occurs in cytosol. NÃàÒüìA¡à[º[ÎÎô t¡t¡Û¡o W¡ºìt¡ =àìA¡ ¡ú
(4) Oxidative phosphorylation takes place in (3) ÎàÒüìi¡àκ &¤} ³ì‹¸ NÃàÒüìA¡àºàÒü[ÎÎ Qìi¡ ¡ú
outer mitochondrial membrane. (4) "[Gìl¡[i¡®¡ ó¡Îìó¡à¹àÒüìºÅ> ¤[ÒÑ‚–
170. Many ribosomes may associate with a single ³àÒü ì i¡àA¡>[l¡ö Ú àº ë³³ì¤ø > & Qìi¡ ú
mRNA to form multiple copies of a polypeptide 170. &A¡[i¡ ³ày mRNA Îàì= ¤× ¹àÒüì¤àì\à³ ™å[v¡û¡ÒìÚ ¤×
simultaneously. Such strings of ribosomes are
termed as Î}J¸àÚ š[ºìšši¡àÒül¡ ît¡[¹ A¡ì¹ ¡ú ëιF &A¡[i¡
(1) Polysome
¹àÒüì¤àì\àì³¹ ³àºàìA¡ ¤ºà ÒÚ ¡ú
(1) š[ºì\à³
(2) Plastidome
(2) šÃàÎ[i¡ì\à³
(3) Polyhedral bodies
(3) š[ºìÒl¡öຠ¤[l¡Îô
(4) Nucleosome
(4) [>l¡ü[Aá*ì\à³
171. Which of the following terms describe human
dentition ? 171. [>´•[º[Jt¡ ëA¡à>[i¡ ³à>åìȹ ƒòàìt¡¹ [¤>¸àÎ
(1) Thecodont, Diphyodont, Homodont (1) ì=ìA¡àl¡@i¡, l¡àÒü[ó¡ìÚàl¡@i¡, ëÒàì³àl¡@i¡
(2) Pleurodont, Monophyodont, Homodont (2) [šÃl¡üì¹àl¡@i¡, ³ì>à[ó¡ìÚàl¡@i¡, ëÒàì³àl¡@i¡
(3) Thecodont, Diphyodont, Heterodont (3) ì=ìA¡àl¡@i¡, l¡àÒü[ó¡ìÚàl¡@i¡, ìÒìi¡ì¹àl¡@i¡
(4) Pleurodont, Diphyodont, Heterodont (4) [šÃl¡üì¹àl¡@i¡, l¡àÒü[ó¡ì¹àl¡@i¡, ëÒìi¡ì¹àl¡@i¡

172. Select the incorrect match : 172. ë¤[k¡A¡ ë\àØl¡[i¡ìA¡ [W¡Òû¡ãt¡ A¡ì¹à :
(1) Lampbrush – Diplotene bivalents (1) º¸à´š¤øàÅ yû¡ì³àì\à³ – [l¡šìºà[i¡>
chromosomes ®¡àÒü®¡àº@i¡
(2) Submetacentric – L-shaped chromososmes (2) Îà¤-W¡³i¡àìÎ>[i¡öA¡ – L-"àAõ¡[t¡¹
chromosomes yû¡ì³àì\à³ yû¡ì³àì\à³
(3) Allosomes – Sex chromosomes (3) "¸àìºàì\à³ – ìÎG yû¡ì³àì\à³
(4) Polytene – Oocytes of amphibians (4) š[º[i¡> yû¡ì³àì\à³ – "¸à[´£¡[¤Úà> l¡üÎàÒüi¡
chromosomes
173. [>ìκ ¤[l¡ ít¡[¹ ÒÚ
173. Nissl bodies are mainly composed of (1) ëšøà[i¡> * [º[šl¡
(1) Proteins and lipids (2) [>l¡ü[AáA¡ "¸à[Îl¡ * SER
(2) Nucleic acids and SER (3) DNA * RNA
(3) DNA and RNA
(4) ³åv¡û¡ ¹àÒüì¤àì\à³ * RER
(4) Free ribosomes and RER
174. [>´•[º[Jt¡ ëA¡à> ƒÅà[i¡ "³Îõ> &ì“¡àšÃàl¡[³A¡
174. Which of the following events does not occur in
rough endoplasmic reticulum ?
ë¹[i¡[A¡l¡üºì³ (RER) Qìi¡ >à ?
(1) ìšøà[i¡ì>¹ ®ò¡à\
(1) Protein folding
(2) [ÎK>ຠ뚚i¡àÒüìl¡¹ [¤ƒà¹o

(2) Cleavage of signal peptide
(3) Protein glycosylation (3) ìšøà[i¡> NÃàÒüìA¡àÎàÒüìºÅ>
(4) Phospholipid synthesis (4) ó¡Îìó¡à[º[šl¡ Î}ìÅÃÈo

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175. Which one of these animals is not a 175. [>ìW¡¹ ëA¡à> šøàoã γt¡àšã >Ú ?
homeotherm ?
(1) ³¸àA¡ì¹àšàÎ
(1) Macropus
(2) A¡¸à쳺Îô
(2) Camelus
(3) Chelone
(3) [W¡ìºà>
(4) Psittacula
(4) [Îi¡àAå¡Àà

176. Which of the following features is used to identify
176. [>´•[º[Jt¡ ëA¡à> í¤[ÅìÊ¡¹ l¡üš¹ [®¡[v¡ A¡ì¹ šè¹ç¡È
a male cockroach from a female cockroach ? "à¹ìÅàºàìA ¡Ñ|ã "à¹ìÅàºà ë=ìA¡ "àºàƒà A¡¹ì¤
(1) Presence of a boat shaped sternum on the (1) 9 l¡üƒ¹ A¡ìÛ¡ ë>ïA¡à¹ "àA¡àì¹¹ Сà¹>à³ l¡üš[Ñ‚t¡
th
9 abdominal segment (2) Îà³ì>¹ šàJ>àÚ "[‹A¡ Aõ¡Ì¡A¡à¹ ëi¡K[³>à =àìA¡
(2) Forewings with darker tegmina (3) A¡l¡àº СàÒüº l¡üš[Ñ‚t¡
(3) Presence of caudal styles (4) "¸à>ຠÎà¹[Î l¡üš[Ñ‚t¡
(4) Presence of anal cerci
177. 쳹硃“¡ã šøàoãAè¡ìº¹ š[¹šàA¡t¡ì”|¹ yû¡àš * [K\¢àl¡ &¹
177. Identify the vertebrate group of animals [¤[®¡Ät¡à ">åÎàì¹ [W¡Òû¡ãt¡ A¡ì¹à
characterized by crop and gizzard in its digestive
system. (1) "¸à[´£¡[¤Úà

(1) Amphibia (2) &[¤\
(2) Aves (3) 칚[i¡[ºÚà
(3) Reptilia (4) "Îô[i¡W¡ì=Î
(4) Osteichthyes
178. [Î[ºÚài¡à ">¸à>¸ ëšøàìi¡àì\àÚà ë=ìA¡ [A¡®¡àì¤ "àºàƒ
178. Ciliates differ from all other protozoans in A¡¹à ÒÚ
(1) using flagella for locomotion (1) W¡º> "}K [ÒÎàì¤ óø¡àì\ºà ¤¸¤Òê¡t¡ ÒÚ
(2) using pseudopodia for capturing prey (2) [ÅA¡à¹ ‹¹ìt¡ [Îl¡üì\ìšà[l¡Úà ¤¸¤Ò๠A¡ì¹
(3) having a contractile vacuole for removing (3) A¡@i¡öàC¡àÒüº ®¡¸àAå¡*º "[t¡[¹v¡û¡ l¡ìº [>ÑHþàÅì>
excess water ÎàÒà\¸ A¡ì¹ ¡
(4) having two types of nuclei
(4) ƒå‹¹ìo¹ [>l¡ü[AáÚàÎ =àìA¡
179. Which of the following organisms are known as 179. γå‰ãA¡ š[¹ì¤ìŹ ³èJ¸ l¡ü;šàƒA¡ Òìº ?
chief producers in the oceans ?
(1) l¡àÚàì>àóø¡àì\¸ìºk¡à
(1) Dinoflagellates
(2) ÎàÚàì>à ¤¸àA¡[i¡[¹Úà
(2) Cyanobacteria
(3) l¡àÚài¡³Îô
(3) Diatoms
(4) Òül¡ü[NÃ>à*l¡Î
(4) Euglenoids
180. [>´•[º[Jt¡ šøàoã샹 ³ì‹¸ ëA¡à=àÚ ë³i¡à³à¹ìó¡à[ÎÎ
180. Which of the following animals does not undergo
metamorphosis ? ¹ê¡šà”z¹ ÒÚ >à
(1) Earthworm (1) "à=¢*Úà³¢ ¤à ìAò¡W¡à

(2) Moth (2) ³=

(3) Tunicate (3) [i¡l¡ü[>ìA¡i¡Îô
(4) Starfish (4) Сà¹[ó¡Î ¤à t¡à¹à³àá
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SPACE FOR ROUGH WORK

ALHCA/WW/Page 42 SPACE FOR ROUGH WORK English/Bengali

SPACE FOR ROUGH WORK

ALHCA/WW/Page 43 SPACE FOR ROUGH WORK English/Bengali

Read carefully the following instructions : [>³¥[º[Jt¡ [>샢ÅP¡[º ™â¥ÎÒA¡àì¹ šØl¡ :
1. Each candidate must show on demand his/her 1. [>¹ãÛ¡A¡ ëƒJìt¡ W¡àÒüìº šø[t¡ š¹ãÛ¡à=¢ãìA¡ "¤Å¸Òü
Admit Card to the Invigilator.
t¡à¹ šøì¤Å šy ëƒJàìt¡ Òì¤ ¡ú
2. No candidate, without special permission of
the Superintendent or Invigilator, would 2. "‹ãÛ¡A¡ ¤à [>¹ãÛ¡ìA¡¹ [¤ìÅÈ ">å³[t¡ [®¡Ä
leave his/her seat. ëA¡àì>à š¹ãÛ¡à=¢ã t¡à¹ "àÎ> t¡¸àK A¡¹ìt¡ šà¹ì¤
3. The candidates should not leave the >à ¡ú
Examination Hall without handing over their
3. š¹ãÛ¡à=¢ãKo A¡t¢¡¤¸¹t¡ [>¹ãÛ¡ìA¡¹ Òàìt¡ l¡üv¡¹ šy
Answer Sheet to the Invigilator on duty and
sign the Attendance Sheet twice. Cases \³à >à [ƒìÚ &¤} l¡üš[Ñ‚[t¡ šìy [‡t¡ãڤ๠ѬàÛ¡¹
where a candidate has not signed the >à A¡ì¹ š¹ãÛ¡àA¡Û¡ t¡¸àK A¡¹ìt¡ šà¹ì¤ >à ¡ú
Attendance Sheet second time will be l¡üš[Ñ‚[t¡ šìy [‡t¡ãÚ Ñ¬àÛ¡¹ >à =àA¡ìº ‹ì¹ ë>Úà
deemed not to have handed over the
Answer Sheet and dealt with as an
Òì¤ š¹ãÛ¡à=¢ã l¡üv¡¹ šy \³à ëƒÚ[> &¤} &[i¡
unfair means case. "΃åšàÚ "¤º´¬ì>¹ Qi¡>à ¤ìº [¤ì¤[W¡t¡ Òì¤ ¡ú
4. Use of Electronic/Manual Calculator is 4. ÒüìºC¡ö[>A¡/Òàt¡W¡à[ºt¡ A¡¸àºAå¡ìºi¡¹ ¤¸¤Ò๠A¡¹à
prohibited. W¡ºì¤ >à ¡¡ú
5. The candidates are governed by all Rules and
5. š¹ãÛ¡àA¡ìÛ¡ š¹ãÛ¡à=¢ã š¹ãۡ๠[>ڳऺã ë³ì>
Regulations of the examination with regard to
their conduct in the Examination Hall. All W¡ºìt¡ ¤à‹¸ =àA¡ì¤ ¡ú "΃åšàÚ NøÒìo¹ ÎA¡º
cases of unfair means will be dealt with as per [¤ÈÚ &Òü š¹ãۡ๠[>Ú³[¤[‹ ">åÎàì¹ [¤W¡à™¢
Rules and Regulations of this examination. Òì¤ ¡ú
6. No part of the Test Booklet and Answer Sheet
6. ëA¡àì>à "¤Ñ‚àìt¡Òü š¹ãÛ¡à šå[ÑzA¡à * l¡üv¡¹ šìy¹
shall be detached under any circumstances.
ëA¡àì>à "}Å šõ=A¡ A¡¹à W¡ºì¤¡ >à ¡ú
7. The candidates will write the Correct Test
Booklet Code as given in the Test 7. š¹ãÛ¡à šå[ÑzA¡à * l¡üv¡¹ šìy šøƒ* Î}ìA¡t¡
Booklet/Answer Sheet in the Attendance š¹ãÛ¡à=¢ã [>®¢å¡º®¡àì¤ l¡üš[Ñ‚[t¡ šìy l¡üìÀJ
Sheet.
A¡¹ì¤ ¡ú

ALHCA/WW/Page 44 SPACE FOR ROUGH WORK English/Bengali