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RR PAPER-2 àíZnwpñVH$m H«$‘m§H$ àíZnwpñVH$m H$moS>
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AA
Question Booklet Sr. No.
AZwH«$‘m§H$ / Roll No.
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RR Q. Booklet Code
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RR CÎma-erQ> H«$‘m§H$ / OMR Answer Sheet No.
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RR KmofUm : / Declaration : RR
RR ‘¢Zo n¥îR> g§»¶m 1 na {X¶o J¶o {ZX}em| H$mo n‹T>H$a g‘P {b¶m h¡& narjm Ho$ÝÐmܶj H$s ‘moha RR
RR I have read and understood the instructions given on page No. 1 Seal of Superintendent of Examination Centre RR
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RR narjmWu H$m hñVmja /Signature of Candidate
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RR (AmdoXZ nÌ Ho$ AwZgma /as signed in application) H$j {ZarjH$ Ho$ hñVmja /Signature of the Invigilator RR
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narjmWu H$m Zm‘/
Name of Candidate :
narjmWu H$mo {X¶o n¡amJ«m’$ H$s ZH$b ñd¶§ H$s hñV{b{n ‘| ZrMo {X¶o J¶o [a³V ñWmZ na ZH$b (H$m°nr) H$aZr h¡&
""Amn ghr ì¶dgm¶ ‘| h¢, ¶h Amn V^r OmZ|Jo O~ : Amn H$m‘ na OmZo Ho$ {bE qM{VV h¢, Amn {Z˶ AnZm H$m‘ g~go AÀN>m H$aZm MmhVo h¢, Am¡a Amn AnZo H$m¶© Ho$
‘hËd H$mo g‘PVo h¢&'' AWdm / OR
To be copied by the candidate in your own handwriting in the space given below for this purpose is compulsory.
‘‘You will know you are in the right profession when : you wake anxious to go to work, you want to do your best daily, and you know your work is
important.”
* Bg n¥îR> H$m D$nar AmYm ^mJ H$mQ>Zo Ho$ ~mX drjH$ Bgo N>mÌ H$s OMR sheet Ho$ gmW gwa{jV aIo&
* After cutting half upper part of this page, invigilator preserve it along with student’s OMR sheet.
nwpñVH$m ‘| ‘wIn¥îR> g{hV n¥îR>m| H$s g§»¶m g‘¶ 3 K§Q>o A§H$ / Marks nwpñVH$m ‘| àíZm| H$s g§»¶m
No. of Pages in Booklet including title
36 Time 3 Hours 600 No. of Questions in Booklet
150
PAPER-2 àíZnwpñVH$m H«$‘m§H$/ Question Booklet Sr. No.
AZwH«$‘m§H$ / Roll No.
H$j {ZarjH$ Ho$ hñVmja /Signature of the Invigilator
àíZnwpñVH$m H$moS>
narjmWu H$m Zm‘/
Name of Candidate : AA
Q. Booklet Code
narjm{W©¶m| Ho$ {bE {ZX}e /INSTRUCTIONS TO CANDIDATE
Aä¶{W©¶m| hoVw Amdí¶H$ {ZX}e : Instructions for the Candidate :
1. Amo.E‘.Ama. CÎma n{ÌH$m ‘| Jmobm| VWm g^r à{dpîQ>¶m| H$mo ^aZo Ho$ {bE Ho$db 1. Use BLUE or BLACK BALL POINT PEN only for all entries and for filling
Zrbo ¶m H$mbo ~mb ßdmB§Q> noZ H$m hr Cn¶moJ H$a|& the bubbles in the OMR Answer Sheet.
2. SECURITY SEAL ImobZo Ho$ nhbo Aä¶Wu AnZm Zm‘, AZwH«$‘m§H$ (A§H$m| 2. Before opening the SECURITY SEAL of the question booklet, write your
Name, Roll Number (In figures), and OMR Answer-sheet Number in the
‘|) Ed§ Amo.E‘.Ama. CÎma-erQ> H$m H«$‘m§H$ Bg àíZ-nwpñVH$m Ho$ D$na {X¶o J¶o space provided at the top of the Question Booklet. Non-compliance
ñWmZ na {bI|& ¶{X do Bg {ZX}e H$m nmbZ Zht H$a|Jo Vmo CZH$s CÎma-erQ> H$m of these instructions would mean that the Answer Sheet can not be
‘yë¶m§H$Z Zhr hmo gHo$Jm VWm Eogo Aä¶Wu A¶mo½¶ Kmo{fV hmo Om¶|Jo& evaluated leading the disqualification of the candidate.
3. à˶oH$ àíZ Mma A§H$m| H$m h¡& {Og àíZ H$m CÎma Zht {X¶m J¶m h¡, Cg na H$moB© 3. Each question carries FOUR marks. No marks will be awarded for
A§H$ Zht {X¶m Om¶oJm& JbV CÎma na A§H$ Zht H$mQ>m OmEJm& unattempted questions. There is no negative marking on wrong answer.
4. Each multiple choice questions has only one correct answer and marks
4. g^r ~hþ{dH$ënr¶ àíZm| ‘| EH$ hr {dH$ën ghr h¡, {Ogna A§H$ Xo¶ hmoJm& shall be awarded for correct answer.
5. JUH$, bm°J Q>o{~b, ‘mo~mBb ’$moZ, Bbo³Q´>m°{ZH$ CnH$aU VWm ñbmBS> ê$b Am{X 5. Use of calculator, log table, mobile phones, any electronic gadget and
H$m à¶moJ d{O©V h¡& slide rule etc. is strictly prohibited.
6. Aä¶Wu H$mo narjm H$j N>moS>Zo H$s AZw‘{V narjm Ad{Y H$s g‘mpßV na hr Xr 6. Candidate will be allowed to leave the examination hall at the end of
Om¶oJr& examination time period only.
7. ¶{X {H$gr Aä¶Wu Ho$ nmg nwñVH|$ ¶m Aݶ {b{IV ¶m N>nr gm‘J«r, {Oggo do 7. If a candidate is found in possession of books or any other printed or
ghm¶Vm bo gH$Vo/gH$Vr h¢, nm¶r Om¶oJr, Vmo Cgo A¶mo½¶ Kmo{fV H$a {X¶m Om written material from which he/she might derive assistance, he/she is
gH$Vm h¡& Bgr àH$ma, ¶{X H$moB© Aä¶Wu {H$gr ^r àH$ma H$s ghm¶Vm {H$gr ^r liable to be treated as disqualified. Similarly, if a candidate is found
ómoV go XoVm ¶m boVm (¶m XoZo H$m ¶m boZo H$m à¶mg H$aVm) hþAm nm¶m Om¶oJm, giving or obtaining (or attempting to give or obtain) assistance from any
source, he/she is liable to be disqualified.
Vmo Cgo ^r A¶mo½¶ Kmo{fV {H$¶m Om gH$Vm h¡&
8. {H$gr ^r ^«‘ H$s Xem ‘| àíZ-nwpñVH$m Ho$ A§J«oOr A§e H$mo hr ghr d A§{V‘ 8. English version of questions paper is to be considered as authentic and
‘mZm Om¶oJm& final to resolve any ambiguity.
9. OMR sheet Bg Paper Ho$ ^rVa h¡ VWm Bgo ~mha {ZH$mbm Om gH$Vm h¡ naÝVw 9. OMR sheet is placed within this paper and can be taken out from this
Paper H$s grb Ho$db nona ewé hmoZo Ho$ g‘¶ na hr Imobm Om¶oJm& paper but seal of paper must be opened only at the start of paper.
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RR PAPER-2
Physics : Q. 1 to Q. 50
Chemistry : Q. 51 to Q. 100
Biology : Q. 101 to Q. 150
PHYSICS / ^m¡{VH$emó
001. Which of the following expression has a 001. {ZåZm§{H$V ‘o {H$g ì¶§OH$ H$m {d‘r¶ gyÌ Xÿgam|
dimensional formula different from others? go {^Þ h¡?
1
(A) !0 E2 (∈0 permitivity of free space, 1
(A) !0 E2 (∈0 {Zdm©V H$s {dÚwVerbVm, E:
2 2
E: electric field ) d¡X²¶wV joÌ)
(B) hv (h : Plancks constant, v : frequency) (B) hv (h : ßbm§H$ {Z¶Vm§H$, v : Amd¥{V)
(C) ρgh (ρ: density, g: acceleration due (C) ρgh (ρ: KZËd, g: JwéËdr¶ ËdaU, h:
to gravity, h: height) C±MmB©)
1 2 1 2
(D) ρv (ρ: density, v: velocity) (D) ρv (ρ: KZËd, v: doJ)
2 2
002. The acceleration (a) of an object varies as 002. EH$ dñVw H$m ËdaU (a) CgHo$ doJ (v) Ho$ nXm|
a function of its velocity (v) as a = m v ‘o a = m v h¡ Ohm± λ EH$ pñWam§H$ h¡& ¶{X
where λ is a constant. If at t=0, v=0, then t=0 na v=0 hmo, Vmo g‘¶ (t) Ho$ nXm| ‘o
the velocity as a function of time (t) is doJ {X¶m OmVm h¡:
given as
3 2 3 1
(A)
3 2 3
m t (B)
1
mt (A) m t (B) mt
4 4 4 4
1 2 2 1 2
(C)
1 2 2
m t (D)
1 2
m t (C) m t (D) m t
4 4 4 4
2-AA ] [2] [ Contd...
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003. A car starts from rest to cover distance 'd' 003. {dam‘mdñWm go MbH$a EH$ H$ma EH$ g‹S>H$ na RR
on a road where the coefficient of friction RR
'd' Xÿar V¶ H$aVr h¡ Ohm§ g‹S>H$ Am¡a Q>m¶amo Ho$ RR
between the road and the tyres is µ. The
‘ܶ Kf©U JwUm§H$ µ h¡& ݶyZV‘ g‘¶, {Og‘o RR
minimum time in which car can cover this RR
H$ma ¶h Xÿar V¶ H$a gH$Vr h¡, g‘mZwnmVr hmoJm: RR
distance is proportional to RR
(A) µ (B) µ–1
(A) µ (B) µ–1 RR
1 1 RR
1 1 (C) n 2 (D) n- 2 RR
(C) n 2 (D) n- 2 RR
004. A 1.5 m tall girl standing at a distance 004. 1.5 ‘rQ>a b§~r b‹S>H$s Omo 5 ‘rQ>a D$§Mr EH$
of 15 m from a fence 5 m high throws a MhmaXrdmar go 15 ‘rQ>a Xÿa I‹S>r h¡, MhmaXrdmar
stone of mass 0.25 Kg at an angle of 450
H$s Amoa 0.25 {H$J«m H$m EH$ nËWa j¡{VO go
to the horizontal. The minimum velocity
of the stone to be thrown to fly over the
450 H$moU na ’|$H$Vr h¡& nËWa H$m ݶyZV‘ doJ,
fence is {Oggo dh MhmaXrdmar Ho$ D$na go JwOa OmE, h¡:
(A) 9.8 m/s (B) 10.2 m/s (A) 9.8 ‘r/goH|$S> (B) 10.2 ‘r/goH|$S>
(C) 13.8 m/s (D) 19.6 m/s (C) 13.8 ‘r/goH|$S> (D) 19.6 ‘r/goH|$S>
005. A body of mass M in the form of 005. 450 PwH$md H$moU dmbo ZV g‘Vb Ho$ AmH$ma
an inclined plane with a 450 angle of H$s 'M' Ðì¶‘mZ H$s EH$ dñVw j¡{VO Vb na
inclination lies on a horizontal plane. A
pñWV h¡& 'v0' doJ go j¡{VO {Xem ‘o J{Verb
ball of mass 'm' moving horizontally with
velocity 'v0' collides with the inclined plane. m Ðì¶‘mZ H$s EH$ J|X ZV g‘Vb go Q>H$amVr
After the impact the ball bounces vertically h¡& Q>¸$a Ho$ nümV J|X CÜdm©Ya D$na H$s Amoa
upwards and the inclined plane begins to CN>b OmVr h¡ VWm ZV g‘Vb j¡{VO Vb na
slide without friction along the horizontal
{~Zm Kf©U Ho$ {’$gbZo bJVr h¡& Q>¸$a Ho$ nümV
plane. The velocity of the ball after the
collision in its vertical travel is CÜdm©Ya J{V ‘o J|X H$m doJ h¡:
m m
M M
0
45
0 45
mv0 Mv0 mv0 Mv0
(A) (B) (A) (B)
M m M m
M-m M-m M-m M-m
(C) v0 (D) v0 (C) v0 (D) v0
M m M m
2-AA ] [3] [ P.T.O.
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RR 006. A body can rotate in a vertical plane at the 006. EH$ dñVw L b§~mB© H$s EH$ S>moar Ho$ {gao na
RR end of a string of length L. The horizontal
RR D$Üdm©Ya Vb ‘o Ky‘ gH$Vr h¡& CƒV‘ pñW{V
RR velocity imparted to the body in its highest
‘o dñVw H$mo {X¶m J¶m j¡{VO doJ, ¶{X ݶyZV‘
RR position, so that the tension in the string
RR at the lowermost position is ten times the
pñW{V ‘o S>moar ‘o VZmd dñVw Ho$ ^ma H$m Xg
RR JwZm h¡, hmoJm:
RR weight of the body, will be
RR (A) 13gL (B) 6gL (A) 13gL (B) 6gL
RR
RR (C) 5gL (D) gL (C) 5gL (D) gL
007. An empty container is put on the pan 007. EH$ Imbr ~V©Z EH$ ^m¡{VH$ Vwbm Ho$ nb‹S>o ‘o
of a physical balance and the scale is aIm h¡ VWm BgHo$ n¡‘mZo H$mo eyݶ na g‘m¶mo{OV
adjusted to zero. Small identical balls H$a {X¶m J¶m h¡& à˶oH$ 10 J«m‘ Ðì¶‘mZ H$s
of mass 10 g each are dropped into the
EH$g‘mZ J|Xo {dam‘mdñWm go 4.9 ‘rQ>a H$s D$§MmB©
container from rest from height 4.9 m at a
go 100 J|Xo à{V goH§$S> H$s Xa go ~V©Z ‘o {JamB©
constant rate of 100 balls per second. If the
collision between each ball and container
OmVr h¡& ¶{X à˶oH$ J|X Am¡a ~V©Z Ho$ ‘ܶ g§KÅ>
is completely inelastic, the reading of the nyU©V… Aà˶mñW hmo Vmo 5 goH§$S> Ho$ ~mX Vwbm
balance after 5 second will be H$m nmR>çm§H$ hmoJm:
(A) 1 Kg (B) 2 Kg (A) 1 {H$J«m (B) 2 {H$J«m
(C) 5 Kg (D) 6 Kg (C) 5 {H$J«m (D) 6 {H$J«m
008. A ball of mass 'm' lying on a frictionless 008. EH$ Kf©Ua{hV g‘Vb gVh na pñWV 'm' Ðì¶‘mZ
surface is attached to the two elastic
H$s EH$ J|X 'k' ~b {Z¶Vm§H$ H$s Xmo à˶mñW
springs of force constant 'k' as shown
in the figure. The other two ends of the pñà§Jm| go {MÌmZwgma Ow‹S>r h¡& pñà§J Ho$ Xÿgao Xmo
spring are connected to rigid wall. The {gao Ñ‹T> Xrdmb go Ow‹S>o h¡& J|X j¡{VO {Xem ‘o
ball can perform simple harmonic motion
horizontally. The ratio of the velocity of
gab AmdV©J{V H$a gH$Vr h¡& gmå¶mdñWm go
the ball at positions equal to one half and Am¶m‘ Ho$ AmYo Am¡a EH$ {VhmB© pñW{V¶m| na J|X
one third of amplitude from the equilibrium Ho$ doJ H$m AZwnmV hmoJm:
position will be
m
m k k
k k
2 3 2 3
(A) (B) (A) (B)
3 2 3 2
2 3 3 2 3 3
(C) (D) (C) (D)
3 4 2 3 4 2
2-AA ] [4] [ Contd...
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009. The angular velocity of earth rotation, at 009. n¥Ïdr KyU©Z H$m H$moUr¶ doJ, {Og na ^y‘ܶ aoIm RR
which the bodies at the equator become na dñVwE§ ^mahrZ hmo OmVr h¡, h¡: (n¥Ïdr H$s RR
weightless, is (Radius of earth = 6400 Km)
RR
{ÌÁ¶m = 6400 {H$‘r) RR
(A) 800 /sec (A) 800 à{V goH§$S> RR
(B) 1.25 /sec (B) 1.25 à{V goH§$S>
RR
RR
(C) 1.25 × 10–2 /sec (C) 1.25 × 10-2 à{V goH§$S> RR
(D) 1.25 × 10–3 /sec (D) 1.25 × 10-3 à{V goH§$S>
RR
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010. A metal rod of Young’s modulus 1.5 × 010. 1.5 x 1010 N/m2 ¶§J à˶mñWVm JwUm§H$ H$s
1010 N/m2 undergoes an elastic strain of EH$ YmVw H$s N>‹S> 0.06% à˶mñW {dH¥$V hmoVr
0.06%. The energy stored per unit volume h¡& N>‹S> Ho$ à{V EH$m§H$ Am¶VZ ‘o g§{MV D$Om©
of the rod is h¡
(A) 900 J/m3 (B) 1800 J/m3 (A) 900 Oyb/‘r3 (B) 1800 Oyb/‘r3
(C) 2700 J/m3 (D) 5400 J/m3 (C) 2700 Oyb/‘r3 (D) 5400 Oyb/‘r3
011. A piece of ice containing a piece of iron 011. EH$ bmoho Ho$ Qw>H$‹S>o H$mo A§Xa aŠIo ~’©$ H$m Qw>H$‹S>m
inside it is floating on water in a container. EH$ ~V©Z ‘o nmZr Ho$ D$na V¡a ahm h¡& O~ ~’©$
When ice melts completely, the level of nyU©V… {nKb OmVr h¡ Vmo ~V©Z ‘o nmZr H$m ñVa
water in the container will
(A) ~‹T>oJm
(A) Increase
(B) KQ>oJm
(B) Decrease
(C) An[ad{V©V ahoJm
(C) Remain unchanged
(D) Become zero (D) eyݶ hmo OmEJm
012. A uniform circular disc of mass 'M' and 012. 'M' Ðì¶‘mZ Ed§ 'R' {ÌÁ¶m H$s EH$ EH$g‘mZ
radius 'R' is rotating in a horizontal plane Jmob MH$Vr j¡{VO Vb ‘o AnZo Ðì¶‘mZ H|$Ð go
about an axis passing through its centre of JwOaZo dmbr VWm Vb Ho$ bå~dV Aj Ho$ n[aV…
mass and perpendicular to its plane with an ω H$moUr¶ doJ go Ky‘ ahr h¡& Cgr {ÌÁ¶m VWm
angular velocity ω. Another disc of same
(M/2) Ðì¶‘mZ H$s EH$ Xÿgar MH$Vr H$mo nhbr
radius but mass (M/2) is placed gently on
MH$Vr Ho$ D$na gmdYmZr go aI {X¶m OmVm h¡&
the first disc. The angular velocity of the
A~ {ZH$m¶ H$m H$moUr¶ doJ h¡:
system now is
3 2
3 2 (A) ~ (B) ~
(A) ~ (B) ~ 2 3
2 3
1
(C)
1
~ (D) ω (C) ~ (D) ω
3 3
2-AA ] [5] [ P.T.O.
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RR 013. The period of a simple pendulum hanging 013. EH$ pñWa Jm‹S>r H$s N>V go bQ>H$Vo EH$ gab
RR from the ceiling of a stationary cart is T0. bmobH$ H$m AmdV©H$mb T0 h¡& O~ ¶h Jm‹S>r θ
RR When the cart rolls without friction down
RR PwH$md H$moU Ho$ ZV g‘Vb go {~Zm Kf©U Ho$
RR the inclined plane with angle of inclination ZrMo bwT>H$Vr h¡, Vmo XmobZ H$m AmdV©H$mb
RR θ, the period of oscillation
RR (A) ~T> OmVm h¡
RR (A) increases
(B) KQ> OmVm h¡
RR (B) decreases
RR (C) remains unchanged (C) An[ad{V©V ahVm h¡
RR
(D) becomes infinity (D) AZ§V hmo OmVm h¡&
014. Four identical rings of radius R and mass 014. M Ðì¶‘mZ VWm R {ÌÁ¶m Ho$ Mma EH$g‘mZ
M are placed at the corner of a square db¶m| H$mo x-y Vb ‘o EH$ dJ© Ho$ H$moZmo na Bg
in x-y plane such that each ring touches àH$ma aIm OmVm h¡ {H$ à˶oH$ db¶ Xmo db¶m|
the two rings tangentially. The moment of H$mo ñne©aoIr¶ Ny>Vm h¡& dJ© Ho$ H|$Ð go JwOaVo
inertia of this system about z-axis passing z-Aj Ho$ n[aV… Bg {ZH$m¶ H$m O‹S>Ëd AmKyU©
through the centre of the square is h¡:
(A) 8 MR2 (B) 7 MR2 (A) 8 MR2 (B) 7 MR2
(C) 6 MR2 (D) 4 MR2 (C) 6 MR2 (D) 4 MR2
015. A police car moving at 5.4 Km/Hr sounds 015. 5.4 {H$‘r/K§Q>m H$s Mmb go J{Verb EH$ nw{bg
siren emitting frequency of 550 Hz which H$ma go CËg{O©V 550 hQ²O© Amd¥{V H$s gmBaZ
is reflected back from a stationary object H$s Üd{Z H$ma go Hw$N> Xÿar AmJo pñWV EH$ pñWa
some distance ahead of the car. The number dñVw go nrN>o H$s Amoa namd{V©V hmo OmVr h¡& H$ma
of beats heard per second by an observer ‘o ~¡R>o EH$ àojH$ Ûmam gwZo à{V goH§$S> {dñn§Xm|
sitting in the car is (Assume velocity of H$s g§»¶m h¡: (‘mZ br{O¶o {H$ hdm ‘o Üd{Z
sound in air= 330 m/sec)
H$m doJ = 330 ‘r/go)
(A) 4 (B) 5
(A) 4 (B) 5
(C) 6 (D) 0
(C) 6 (D) 0
016. A uniform string of mass M and length L
016. M Ðì¶‘mZ Am¡a L bå~mB© H$s EH$ EH$g‘mZ
is hanging from the ceiling. If a transverse
wave travels along the length of the string,
añgr N>V go bQ>H$ ahr h¡& ¶{X añgr H$s bå~mB©
then the time taken by it to travel the Ho$ n[aV… EH$ AZwàñW Va§J MbVr h¡, Vmo BgH$s
whole length is nyar bå~mB© MbZo ‘o bJm g‘¶ h¡:
L 2L
(A)
L
(B)
2L (A) (B)
g g g g
3L 4L 3L 4L
(C) (D) (C) (D)
g g g g
2-AA ] [6] [ Contd...
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017. In an organ pipe open at one and closed 017. EH$ AmJ©Z Z{bH$m, Omo EH$ {gao na Iwbr VWm RR
RR
at the other end, two successive harmonics Xÿgao {gao na ~§X h¡, H$s H«${‘H$ g§ZmXr Amd¥{V¶m§ RR
have frequencies 560 Hz and 720 Hz. The 560 hQ²O© VWm 720 hQ²O© h¡& AmJ©Z Z{bH$m H$s RR
RR
length of the pipe is (Assume the velocity bå~mB© h¡: (‘mZ br{O¶o {H$ hdm ‘o Üd{Z H$m RR
RR
of sound in air =330 m/sec) doJ = 330 ‘r/go) RR
(A) 20.6 cm (B) 41.25 cm (A) 20.6 go‘r (B) 41.25 go‘r
RR
RR
(C) 103.13 cm (D) 206.25 cm (C) 103.13 go‘r (D) 206.25 go‘r RR
018. The equation of the displacement of a wave 018. EH$ Va§J Ho$ {dñWmnZ H$m g‘rH$aU y (go‘r ‘o)
is y (in cm) = 10 ^ 3 sin 2rt + cos 2rt h . =10 ^ 3 sin 2rt + cos 2rt h h¡& Va§J H$m Am¶m‘
The amplitude of the wave is h¡:
(A) 10 cm (B) 17.3 cm (A) 10 go‘r (B) 17.3 go‘r
(C) 20 cm (D) 40 cm (C) 20 go‘r (D) 40 go‘r
019. 200 gram of ice at -10 0C is mixed with 019. EH$ H¡$bmoar‘rQ>a ‘o -10 0C H$s 200 J«m‘ ~’©$
200 gram of water at 6 0C in a calorimeter. H$mo 6 0C Ho$ 200 J«m‘ Ob ‘o {‘bm¶m OmVm
If the specific heat of ice and water are h¡& ¶{X ~’©$ Am¡a Ob H$s {d{eï> D$î‘m¶o H«$‘e…
0.5 and 1.0 cal/gm 0C respectively and
0.5 Am¡a 1.0 H¡$bmoar/J«m‘ 0C hmo VWm ~’©$
the latent heat of ice is 80 cal/gm, the
H$s JbZ H$s Jwá D$î‘m 80 H¡$bmoar/J«m‘ h¡, Vmo
temperature of the mixture in thermal
D$î‘r¶ gmå¶ ‘o {‘lU H$m Vmn h¡:
equilibrium is
(A) 0 0C (B) -2 0C
(A) 0 0C (B) -2 0C
(C) -10 0C (D) 6 0C (C) -10 0C (D) 6 0C
020. An ideal gas having pressure P, volume V 020. EH$ AmXe© J¡g, {OgH$m Xm~ P, Am¶VZ V VWm
and temperature T is allowed to expand Vmn T h¡, H$mo éÕmoî‘V… {dñVm[aV {H$¶m OmVm h¡
adiabatically until its volume becomes 4V {H$ CgH$m Am¶VZ 4V hmo OmVm h¡ Am¡a Vmn {JaH$a
while its temperature falls to T/2. The
T/2 hmo OmVm h¡& J¡g H$m éÕmoî‘ KmVm§H$ h¡:
adiabatic exponent of the gas is
(A) 1.66 (B) 1.50
(A) 1.66 (B) 1.50
(C) 1.40 (D) 1.33 (C) 1.40 (D) 1.33
2-AA ] [7] [ P.T.O.
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RR 021. If the Wien’s constant b=0.3 cm-K, 021. ¶{X drZ {Z¶Vm§H$ b=0.3 go‘r-K, Vmo 6000 A0
RR then the temperature of the sun having
RR Va§JX¡Ü¶© na A{YH$V‘ Vrd«Vm Ho$ {d{H$aU dmbo
RR maximum intensity of radiation at 6000
RR gy¶© H$m Vmn h¡:
RR A0 wavelength is
RR (A) 2000 K (B) 5000 K
RR (A) 2000 K (B) 5000 K
RR (C) 6000 K (D) 7000 K
RR (C) 6000 K (D) 7000 K
RR
022. A Carnot engine works between 7270C and 022. EH$ H$moZm}Q> B§OZ 7270C Am¡a 270C Ho$ ‘ܶ
270C. The efficiency of the engine is H$m¶© H$aVm h¡& B§OZ H$s XjVm h¡:
(A) 30 % (B) 70 % (A) 30% (B) 70 %
(C) 96 % (D) 100 %
(C) 96% (D) 100 %
023. The entropy remains constant in 023. EÝQ´>m°nr {Z¶V ahVr h¡
(A) A cyclic process (A) EH$ MH«$s¶ àH«$‘ ‘|
(B) An isobaric process (B) EH$ g‘Xm~r àH«$‘ ‘|
(C) An isothermal process (C) EH$ g‘Vmnr àH«$‘ ‘|
(D) An adiabatic process (D) EH$ éÕmoî‘ àH«$‘ ‘|
024. Two identically charged spherical balls of 024. 'm' Ðì¶‘mZ H$s Xmo EH$g‘mZ Amdo{eV Jmobr¶
mass 'm' are suspended by strings of length J|Xo l bå~mB© H$s apñg¶m| Ûmam EH$ hr {~ÝXþ go
l each from the same point. At the point
bQ>H$mB© J¶r h¢& {Zbå~Z {~ÝXþ na, g‘mZ Amdoe
of suspension, there is a third ball of same
charge. The charge of the balls for the
H$s EH$ Vrgar J|X h¡& gmå¶mdñWm ‘o apñg¶m| Ho$
angle between the strings in equilibrium ‘ܶ H$moU 900 hmoZo Ho$ {bE J|Xm| na Amdoe h¡:
position being 900 is 2
(A) 8rf0 l mg
2
(A) 8rf0 l mg
2
(B) 16rf0 l mg
2
(B) 16rf0 l mg
2
2 (C) 4rf0 l mg
(C) 4rf0 l mg
(D) 16rf0 mg (D) 16rf0 mg
2-AA ] [8] [ Contd...
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025. The circuit shown in the figure has four 025. {MÌ ‘o àX{e©V n[anW ‘o d¡ÚwVdmhH$ ~b E VWm RR
batteries of emf E and internal resistance 'r', RR
Am§V[aH$ à{VamoY 'r' H$s Mma ~¡Q>ar, Xmo à{VamoY RR
two resistances R each and a parallel plate
à˶oH$ R VWm EH$ l bå~mB© H$s ßboQ>mo Ed§ CZHo$ RR
capacitor with plates of length l and the RR
~rM Xÿar 'd' dmbm g‘m§Va ßboQ> g§Ym[aÌ h¡& EH$ RR
distance between them as 'd'. An electron
having charge 'e' enters the capacitor plates BboŠQ´>m°Z ßboQ>mo Ho$ g‘mÝVa 'v' doJ go g§Ym[aÌ RRRR
at velocity 'v' parallel to the plates. The Ho$ A§Xa àdoe H$aVm h¡& BboŠQ´>m°Z Ho$ g§Ym[aÌ Ho$ RR
RR
angle to the plates with which the electron ~mha AmZo na ßboQ>mo go ~Zm H$moU h¡: RR
come out of the capacitor is E E
E E
r r
r r
R R
R R
r r
r r
E E
(A) tan-1 c 2m
E E
2eEl
c 2m
-1 2eEl
(A) tan mdv
mdv
(B) tan 1 c m
2eEl
(B) tan 1 c 2m m ^2R + 4r h dv
-
2eEl
m ^2R + 4r h dv
- 2
(C) tan-1 c 2m
4eEl
(C) tan-1 c 2m
4eEl
mdv
mdv
(D) 00
(D) 00
026. A battery of EMF 4V and internal resistance 026. 4V d¡ÚwVdmhH$ ~b VWm 1 Amo‘ Am§V[aH$ à{VamoY
1 Ohm is connected with three 45 Ohms H$s EH$ ~¡Q>ar {MÌmZwgma d¡ÚwV n[anW ‘o VrZ 45
resistances, a voltmeter and an ammeter in Amo‘ à{VamoYm|, EH$ dmoëQ>‘rQ>a VWm EH$ A‘rQ>a
the electrical circuit as shown in the figure. go Ow‹S>r h¡& dmoëQ>‘rQ>a VWm A‘rQ>a H$m nmR>çm§H$
The reading of the voltmeter and ammeter
h¡:
are V
V
45 45 45
45 45 45
4V
4V
A
A
1
1
(A) 11.25 V, 0.25 A (A) 11.25 V, 0.25 A
(B) 3.75 V, 0.25 A (B) 3.75 V, 0.25 A
(C) 1.32 V, 0.03 A (C) 1.32 V, 0.03 A
(D) 3.06 V, 0.94 A (D) 3.06 V, 0.94 A
2-AA ] [9] [ P.T.O.
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RR 027. The filament of an electric kettle is made 027. EH$ d¡ÚwV Ho$Vbr H$m {µ’$bm‘|Q> g‘mZ à{VamoYm|
RR up of three sections of equal resistances.
RR Ho$ VrZ ^mJm| go {‘bH$a ~Zm h¡& ¶o g^r ^mJ
RR These sections are connected in parallel g‘m§Va H«$‘ ‘o Ow‹S>o h¡ VWm nmZr 9 {‘ZQ> ‘o
RR
RR and the water begins to boil in 9 minutes. C~bZm àmaå^ H$a XoVm h¡& ¶{X BZ à{VamoYm| H$mo
RR If these resistances are connected in series, loUrH«$‘ ‘o Omo‹S> Xo, Vmo g‘mZ Ðì¶‘mZ Ho$ nmZr
RR
RR then the time taken by the same mass of H$mo Ho$Vbr ‘o C~bZo ‘o bJm g‘¶ h¡:
RR
RR water in the kettle to boil is
(A) 1 {‘ZQ> (B) 9 {‘ZQ
(A) 1 minute (B) 9 minute
(C) 27 {‘ZQ> (D) 81 {‘ZQ>
(C) 27 minutes (D) 81 minutes
028. Two conducting spheres A and B of radii 028.
1 go‘r Am¡a 2 go‘r {ÌÁ¶m Ho$ Xmo Mm{bV Jmobo
1 cm and 2 cm carrying charge 5 × 10–8 A Am¡a B {OZ na H«$‘e… 5 × 10-8 Hy$bm‘
C and 1 x 10–7 C respectively are kept and 1 × 10-7 Hy$bm‘ Amdoe h¡, EH$ Xÿgao go
far apart. If the spheres are joined by a Xÿar na aIo h¡& ¶{X BZ Jmobm| H$mo EH$ MmbH$
conducting wire, then Vma Ûmam Omo‹S> Xo, Vmo
(A) Amdoe A go B H$s Amoa àdm{hV hmoJm&
(A) Charge will flow from A to B
(B) Amdoe B go A H$s Amoa àdm{hV hmoJm&
(B) Charge will flow from B to A
(C) A Am¡a B Ho$ ‘ܶ H$moB© Amdoe àdm{hV
(C) No charge will flow between A and B Zht hmoJm&
(D) Amdoe {H$gr ^r {Xem ‘o àdm{hV hmo gH$Vm
(D) Charge may flow on either side
h¡&
029. A piece of platinum and germanium are 029. EH$ ßbo{Q>Z‘ VWm Oa‘o{Z¶‘ Ho$ Qw>H$‹S>o H$mo H$‘ao
heated above the room temperature, then Ho$ Vmn go D$na Ja‘ {H$¶m OmVm h¡ Vmo Vmn Ho$
the resistance of gmW
(A) Germanium will increase while platinum (A) Oa‘o{Z¶‘ H$m à{VamoY ~T>oJm O~{H$ ßbo{Q>Z‘
will decrease with temperature H$m à{VamoY KQ>oJm&
(B) Platinum will increase while germanium (B) ßbo{Q>Z‘ H$m à{VamoY ~T>oJm O~{H$ Oa‘o{Z¶‘
will decrease with temperature H$m à{VamoY KQ>oJm&
(C)
Both platinum and germanium will (C) XmoZm| ßbo{Q>Z‘ VWm Oa‘o{Z¶‘ H$m à{VamoY
increase with temperature ~T>oJm&
(D)
Both platinum and germanium will (D) XmoZm| ßbo{Q>Z‘ VWm Oa‘o{Z¶‘ H$m à{VamoY
decrease with temperature KQ>oJm&
2-AA ] [ 10 ] [ Contd...
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030. The ratio of electrostatic force Fe and 030. EH$Xÿgao go r Xÿar na pñWV EH$ àmoQ>mZ Am¡a EH$ RR
gravitational force Fg acting between a BboŠQ´>m°Z Ho$ ‘ܶ H$m¶©H$mar d¡ÚwVñW¡{VH$ ~b VWm RR
RR
proton and an electron distant r from each
JwéËdmH$f©U ~b H$m AZwnmV hmoJm bJ^J RR
other is approximately RR
(A) 1019 (B) 1029 RR
(A) 1019 (B) 1029
RR
(C) 1039 (D) 1049 (C) 1039 (D) 1049 RR
RR
031. An electron is moving in a circular orbit 031. EH$ BboŠQ´>m°Z ω H$moUr¶ doJ go r {ÌÁ¶m Ho$ RR
RR
of radius r with angular velocity ω. The d¥ÎmmH$ma nW na J{Verb h¡& BgHo$ H|$Ð na Mw§~H$s¶
magnetic field at its centre will be joÌ hmoJm:
n0 ~e n0 ~e
(A) 0 (B) (A) 0 (B)
4rr 4rr
n0 ~e 2
2 n0 ~ e
n0 ~e n0 ~ e (C) (D)
(C) (D) 4r r
4r r
032. In an ammeter, 0.2 % of the main current 032. EH$ A‘rQ>a ‘o ‘w»¶ Ymam H$m 0.2 % ^mJ
flows from the coil of the galvanometer. If Ymam‘mnr H$s Hw§$S>br go JwOaVm h¡& ¶{X Ymam‘mnr
the resistance of the coil of galvanometer
H$s Hw§$S>br H$m à{VamoY G hmo Vmo A‘rQ>a H$m
is G, then the resistance of the ammeter
will be
à{VamoY hmoJm:
G G
(A)
G
(B)
G (A) (B)
499 500 499 500
500 G 499 G
500 G 499 G (C) (D)
(C) (D) 499 500
499 500
033. A long straight conductor carrying current 033. I Ymamdmhr EH$ b§~m grYm MmbH$ Vma VWm a
I and a square frame of side a are in the ^wOm H$m EH$ dJm©H$ma ’«o$‘ {MÌmZwgma EH$ hr
same plane as shown in the figure. This
Vb ‘| h¢& ¶h ’«o$‘ Xm¶t Amoa H$mo EH$ {Z¶V
frame moves with a constant velocity v
right side. The induced emf in the frame v doJ go MbVm h¡& ’«o$‘ ‘o ào[aV {dÚwV dmhH$
will be proportional to ~b g‘mZwnmVr hmoJm:
r r
I I
a a
1 1 1 1
(A) (B)
^2r - ah2 ^2r + ah2
(A) (B)
^2r - ah2 ^2r + ah2
1 1 1 1
^2r - ah^2r + ah
(C) (D)
^2r - ah^2r + ah
(C) (D) 2 2
r r
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RR 034. The angle of dip at a place is 300. If 034. {H$gr ñWmZ na Z{V H$moU 300 h¡& ¶{X n¥Ïdr Ho$
RR horizontal component of earth’s magnetic Mw§~H$s¶ joÌ H$m j¡{VO KQ>H$ H h¡, Vmo gånyU©
RR
RR field is H, the total field intensity is joÌ H$s Vrd«Vm h¡:
RR H 2H H 2H
RR (A) (B) (A) (B)
2 3 2 3
RR
RR (C) H 2 (D) H 3 (C) H 2 (D) H 3
RR
RR
RR 035. The magnetic susceptibility is positive and 035. Mwå~H$s¶ YmaUerbVm YZmË‘H$ Am¡a H$‘ hmoVr h¡:
small for a (A) à{VMw§~H$s¶ nXmW© ‘|
(A) Diamagnetic substance
(B) AZwMw§~H$s¶ nXmW© ‘|
(B) Paramagnetic substance
(C) Ferromagnetic substance (C) bm¡hMw§~H$s¶ nXmW© ‘|
(D) Nonmagnetic substance (D) AMw§~H$s¶ nXmW© ‘|
036. The phenomenon of propagation of light 036. EH$ àH$m{eH$ VÝVw go àH$me n[aJ‘Z H$s KQ>Zm
in an optical fiber is due to H$m H$maU h¡:
(A) Interference of light (A) àH$me H$m ì¶{VH$aU
(B) Diffraction of light (B) àH$me H$m {ddV©Z
(C) Polarization of light (C) àH$me H$m YwdU
(D) Total internal reflection of light (D) àH$me H$m nyU© Am§V[aH$ namdV©Z
037. The resolving power of a microscope can 037. EH$ g§¶wº$ gyú‘Xeu H$s {d^oXZ j‘Vm ~‹T>mB© Om
be increased by gH$Vr h¡:
(A) Increasing diameter of objective lens (A) A{^Ñí¶H$ b|g H$m ì¶mg ~‹T>m H$a
(B) Increasing diameter of eye lens (B) Zo{ÌH$m b|g H$m ì¶mg ~‹T>m H$a
(C) Increasing wavelength of light used (C) à¶wº$ àH$me H$s Va§JX¡Ü¶© ~‹T>m H$a
(D) decreasing wavelength of light used (D) à¶wº$ àH$me H$s Va§JX¡Ü¶© KQ>m H$a
038. The convex side of a plano-convex lens of 038. EH$ {deof àH$ma H$m AdVb Xn©U àmá H$aZo Ho$
radius of curvature 60 cm and refractive {bE 60 go‘r d«H$Vm {ÌÁ¶m VWm 1.5 AndV©Zm§H$
index 1.5 is silver plated to obtain a special Ho$ EH$ g‘Vb-CÎmb b|g Ho$ CÎmb {gao na Mm±Xr
type of concave mirror. The focal length M‹T>m Xr OmVr h¡& Bg Xn©U H$s ’$moH$g Xÿar h¡:
of the mirror is
(A) 60 cm (B) 30 cm
(A) 60 cm (B) 30 cm
(C) 24 cm (D) 20 cm (C) 24 cm (D) 20 cm
2-AA ] [ 12 ] [ Contd...
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039. A monochromatic beam of light of 039. 600 Z¡Zmo‘rQ>a Va§JX¡Ü¶© H$m EH$daUr¶ àH$me nw§O RR
wavelength 600 nm in vacuum enters {Zdm©V go 4/3 AndV©Zm§H$ Ho$ ‘mܶ‘ ‘o àdoe RR RR
a medium of refractive index (4/3). Its H$aVm h¡& BgH$s Va§JX¡Ü¶© Am¡a Amd¥{V Bg ‘mܶ‘ RR
wavelength and frequency in the medium ‘o hmoJr: RR
will be RR
(A) 450 Z¡Zmo‘rQ>a, 5 × 1014 hQ²O© RR
(A) 450 nm, 5 × 1014 Hz RR
(B) 600 Z¡Zmo‘rQ>a, 5 × 1014 hQ²O© RR
(B) 600 nm, 5 × 1014 Hz
(C) 800 Z¡Zmo‘rQ>a, 3.8 × 10 14 hQ²O© RR
(C) 800 nm, 3.8 × 1014 Hz RR
(D) 450 nm, 6.7 × 1014 Hz (D) 450 Z¡Zmo‘rQ>a, 6.7 × 10 14 hQ²O©
040. A thin mica sheet of refractive index 1.4 040. 6000 A0 Va§JX¡Ü¶© Ho$ EH$daUr¶ àH$me nw§O H$m
is used to cover one slit of Young’s double Cn¶moJ H$aHo$ à{Vnm{XV ¶§J {Û-pñbQ> à¶moJ H$s
slit experiment being performed using EH$ pñbQ> H$mo 1.4 AndV©Zm§H$ H$s nVbr ‘mBH$m
monochromatic beam of light of wavelength erQ> go ‹T>H$ {X¶m OmVm h¡& ¶{X Ho$ÝÐr¶ {~ÝXþ na
6000 A0. If at the central point is now A~ nm±Mdt Xrá q’«$O àmá hmoVr h¡ Vmo ‘mBH$m
found the fifth bright fringe, the thickness erQ> H$s ‘moQ>mB© h¡
of the mica sheet is
(A) 4.2 ‘mB©H«$mZ (B) 6.0 ‘mB©H«$mZ
(A) 4.2 micron (B) 6.0 micron
(C) 7.5 ‘mB©H«$mZ (D) 8.4 ‘mB©H«$mZ
(C) 7.5 micron (D) 8.4 micron
041. An unpolarized light wave is incident from 041. EH$ AY«w{dV àH$me Va§J hdm go H$m±M H$s gVh
air on a glass surface at the Brewster angle. na ~«yñQ>a H$moU na Amn{VV h¡& namd{V©V Am¡a
The angle between the reflected and the And{V©V Va§Jmo Ho$ ‘ܶ H$moU h¡:
refracted wave is
(A) 00 (B) 450
(A) 00 (B) 450
(C) 900 (D) 1200
(C) 900 (D) 1200
042. A prism of angle of prism 600 has angle 042. 600 {àÁ‘ H$moU dmbo {àÁ‘ H$m ݶyZV‘ {dMbZ
of minimum deviation 400. The angle of H$moU 400 h¡& Bg pñW{V ‘o AmnVZ H$moU h¡:
incidence in this position is
(A) 300 (B) 500
(A) 300 (B) 500
(C) 600 (D) 1000
(C) 600 (D) 1000
043. If the common-base current gain of a 043. EH$ Q´>m§{OñQ>a H$m C^¶{Zð>-AmYma Ymam bm^ 0.96
transistor is 0.96, then its common-emitter h¡, Vmo BgH$m C^¶{Zð>-CËgO©H$ Ymam bm^ hmoJm:
current gain will be
(A) 2 (B) 20
(A) 2 (B) 20
(C) 24 (D) 48
(C) 24 (D) 48
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RR 044. The work function of a metal is 2.0 eV. 044. EH$ YmVw H$m H$m¶© ’$bZ 2.0 BboŠQ´>m°Z dmoëQ> h¡&
RR The stopping potential for the light of 4000 A0 Va§JX¡Ü¶© Ho$ àH$me Ho$ {bE g§ñVãY
RR
RR wavelength 4000 A0 will be {d^d hmoJm:
RR (A) 5.1 V (B) 3.1 V
RR (A) 5.1 dmoëQ> (B) 3.1 dmoëQ>
RR (C) 2.0 V (D) 1.1 V (C) 2.0 dmoëQ> (D) 1.1 dmoëQ>
RR
RR
RR 045. A 1 milliwatt laser source is emitting 045. EH$ 1 {‘brdmQ> boOa òmoV 555 Z¡Zmo‘rQ>a àH$me
RR
light of wavelength 555 nm. The number H$m CËgO©Z H$a ahm h¡& à{V goH§$S> CËg{O©V
of photons emitted per second are ’$moQ>moZm| H$s g§»¶m hmoJr bJ^J (ßbm§H$ {Z¶Vm§H$
approximately (Planck’s constant = 6.6 × = 6.6 × 10–34 ‘r2 {H$J«m/goH§$S>)
10–34 m2 Kg/s)
(A) 107 (B) 1011
(A) 107 (B) 1011
(C) 1015 (D) 1018 (C) 1015 (D) 1018
046. If V be the accelerating voltage of the 046. ¶{X V Q>çy~ H$m Ëd[aV {d^d hmo Vmo CËnÞ
tube, the maximum frequency of continuous gVV EŠg-{H$aUm| H$s A{YH$V‘ Amd¥{V, V na
x-rays produced depends on V as {Z^©a H$aVr h¡:
(A) V2 (B) V (A) V2 (B) V
(C) V1/2 (D) V–1 (C) V1/2 (D) V–1
047. Hydrogen atoms in its ground state are 047. {ZåZV‘ AdñWm ‘o pñWV hmBS´>moOZ na‘mUwAmo H$mo
excited by monochromatic radiation of ’$moQ>moZ D$Om© 12.8 BboŠQ´>m°Z dmoëQ> Ho$ EH$daUr¶
photon energy 12.8 eV. If the ionization {d{H$aU Ûmam CÎmo{OV {H$¶m OmVm h¡& ¶{X hmBS´>moOZ
potential of hydrogen atom is 13.6 eV, the na‘mUw H$m Am¶ZZ {d^d 13.6 Bbo³Q´>mZ dmoëQ>
number of spectral lines emitted according h¡ Vmo ~moha {gÕmÝV Ho$ AZwgma CËg{O©V ñnoŠQ´>‘
to Bohr theory will be bmBZm| H$s g§»¶m hmoJr:
(A) 6 (B) 4 (A) 6 (B) 4
(C) 3 (D) 1 (C) 3 (D) 1
048. The half life of a radioactive substance is 048. EH$ ao{S>¶moEpŠQ>d nXmW© H$s AÕ©Am¶w 7.5 goH§$S>
7.5 seconds. The fraction of substance left h¡& EH$ {‘ZQ> Ho$ nümV nXmW© H$m ~Mm hþAm ^mJ
after one minute is h¡:
(A) 1/16 (B) 1/64 (A) 1/16 (B) 1/64
(C) 1/128 (D) 1/256 (C) 1/128 (D) 1/256
2-AA ] [ 14 ] [ Contd...
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049. The output equation of the logical circuit 049. {MÌ ‘o àX{e©V bm°{OH$ n[anW H$m {ZJ©V g‘rH$aU RR
shown in figure is h¡: RR
A
RR
A
RR
y y RR
B B RR
RR
RR
C C RR
RR
(A) Y= (A+B)BC (B) Y = AB+(B+C) (A) Y= (A+B)BC (B) Y = AB+(B+C) RR
(C) Y= A+B+C (D) Y=ABC (C) Y= A+B+C (D) Y = ABC
050. The number of atoms in the lower and 050. EH$ nXmW© Ho$ {ZåZ Am¡a Cƒ D$Om© ñVam| ‘o
upper energy states of a material are N1 and na‘mUwAmo H$s g§»¶m H«$‘e… N1 Am¡a N2 h¡& BZ
N2 respectively. For population inversion
between these two levels Xmo ñVam| Ho$ ‘ܶ OZg§»¶m ì¶wËH«$‘U Ho$ {bE
(A) N2 = N1 (B) N2 > N 1 (A) N2 = N1 (B) N2 > N 1
(C) N2 < N1 (D) N2 = 0 (C) N2 < N1 (D) N2 = 0
2-AA ] [ 15 ] [ P.T.O.
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RR CHEMISTRY / agm¶Zemó
RR 051. Which one of the following will be most 051. {ZåZ{b{IV ‘| go H$m¡Z EH$ jmar¶ ObAnKQ>Z
RR reactive for alkaline hydrolysis
RR Ho$ à{V gdm©{YH$ {H«$¶merb h¡&
RR (A) CH3 - CH2 - CH2 - CH - COOH
RR | (A)> CH3 - CH2 - CH2 - CH - COOH
|
RR Br
Br
RR (B) CH3 - CH2 - CH - CH - COOH
RR | (B) CH3 - CH2 - CH - CH - COOH
RR Br
|
Br
RR
RR (C) CH3 - CH - CH2 - CH2 - COOH (C) CH3 - CH - CH2 - CH2 - COOH
|
|
Br
Br
(D) Br - CH2 - CH2 - CH2 - CH2 - COOH (D) Br - CH2 - CH2 - CH2 - CH2 - COOH
052. The most suitable reagent for the conversion 052. ‘o{Wb ~oÝOmoEQ> go ~opÝOb EëH$mohm°b àmá H$aZo
of methylbenzoate to be benzyalcohol is Ho$ {bE g~go Cn¶wº$ A{^H$‘©H$ h¡
(A) H2/Pd-C (B) LiAlH4 (A) H2/Pd-C (B) LiAlH4
(C) NaBH4 (D) Li/NH3 (l) (C) NaBH4 (D) Li/NH3 (l)
053. Which one can be synthesized by 053. dwQ>©O A{^{H«$¶m Ûmam {H$gH$mo g§íbo{fV {H$¶m Om
Wurtz reaction gH$Vm h¡&
(A) Toluene (B) alkyle halide (A) Q>m°byB©Z> (B) EobH$mBb hobmBS>
(C) alkane (D) alkene (C) EobHo$Z (D) EobH$sZ
054. Which one of the following made through 054. {ZåZ{b{IV ‘¡ go {H$gH$mo g§KZZ ~hþbH$sH$aU Ûmam
condensation polymerization. ~Zm¶m OmVm h¡&
(A) Teflon (B) bakelite (A) Q>o’$bm°Z> (B) ~oHo$bmBQ>
(C) Polythene (D) Acrilan (C) nm°brWrZ (D) EoH«$mBboZ
055. Which one of the following has hexagonal 055. {ZåZ{b{IV ‘| go H$m¡Z fQ>H$moUr¶ {H«$ñQ>b g§aMZm
crystal structure aIVm h¡&
(A) BaSO4 (B) CdS (A) BaSO4 (B) CdS
(C) SnO2 (D) Na2SO4 ⋅ 10H2O (C) SnO2 (D) Na2SO4 ⋅ 10H2O
056. Which of the following is anti ferromagnetic. 056. {ZåZ{b{IV ‘| go H$m¡Z à{V bmoh Mwå~H$s¶ h¡&
(A) H2O (B) CrO2 (A) H2O (B) CrO2
(C) MnO (D) MgFe2O4 (C) MnO (D) MgFe2O4
2-AA ] [ 16 ] [ Contd...
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057 Synthesis of amonia is represented by the 057. A‘mo{Z¶m H$m {Z‘m©U {ZåZ A{^{H«$¶m Ûmam Xem©¶m RR
following reaction. J¶m h¡& RR
RR
N2(g) + 3H2(g) → 2NH3(g) N2(g) + 3H2(g) → 2NH3(g) RR
RR
∆rH°= –91.8KJ mol–1 RR
∆rH°= –91.8KJ mol–1
RR
What will be enthalpy of decomposition
A{^{H«$¶m Ho$ AZwgma NH3 Ho$ {dKQ>Z Ho$ {b¶o RR
of ammonia according to reaction.
RR
A{^{H«$¶m H$s EÝW¡ënr ³¶m hmoJr? RR
2NH3(g) → N2 + 3H2(g) ; ∆rH° = ? 2NH → N + 3H ; ∆ H° = ?
RR
3(g) 2 2(g) r
(A) – 91.8 kJ mol–1 (B) + 91.8 kJ mol–1 (A) – 91.8 kJ mol–1 (B) + 91.8 kJ mol–1
(C) – 45.9 kJ mol–1 (D) + 45.9 kJ mol–1 (C) – 45.9 kJ mol–1 (D) + 45.9 kJ mol–1
058. What will be the pH of ⋅ 001M 058. ⋅ 001M Ba(OH)2 {db¶ZHo$ pH H$m ‘mZ hmoJm&
Ba(OH)2 solution (A) 2.0> (B) 8.4
(A) 2.0 (B) 8.4
(C) 11.3 (D) 2.7
(C) 11.3 (D) 2.7
059. Which of the following aqueous solution 059. {ZåZ ‘| go {H$g Obr¶ {db¶Z H$m gdm©{YH$
must have the highest boiling point. ³dWZm§H$ hmoZm Mm{hE
(A) 1.0 M NaOH (A) 1.0 M NaOH>
(B) 1.0 M Na2SO4 (B) 1.0 M Na2SO4
(C) 1.0 M NH4 NO3 (C) 1.0 M NH4 NO3
(D) 1.0 M KNO3 (D) 1.0 M KNO3
060. Which of the following is the correct for 060. {ZåZ{b{IV ‘| H$m¡Z ~T>Vo ~§YH«$‘m| H$m ghr H«$‘
increasing bond order. hmoJm
(A) O2+ 2 O2 2 O2- 2 O22- (A) O2+ 2 O2 2 O2- 2 O22-
(B) O2+ 1 O2 1 O2- 1 O22- (B) O2+ 1 O2 1 O2- 1 O22-
(C) O2+ = O2, O2- 2 O22- (C) O2+ = O2, O2- 2 O22-
(D) O2+ 1 O2 2 O2- 1 O22- (D) O2+ 1 O2 2 O2- 1 O22-
2-AA ] [ 17 ] [ P.T.O.
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RR 061. Two particles A and B are in motion. If 061. Xmo H$U A Ed§ B J{V H$a aho h¢, ¶{X H$U
RR the wavelength associated with particle A
RR A go g§¶mo{OV Va§JX¡Ü¶© H$m ‘mZ 5 × 10–8 m
RR in motion is 5 × 10–8 m. What will be h¡ Vmo H$U B go g§¶mo{OV Va§J X¡Ü¶© H$m ‘mZ
RR the wavelength associated with particle B ³¶m hmoJm O~ {H$ H$U B H$m g§doJ H$U A
RR
RR if the momentum is half than that of A. Ho$ Vwë¶ AmYm h¡&
RR (A) 5 × 10–8 m (B) 10 × 10–8 m (A) 5 × 10–8 m (B) 10 × 10–8 m
RR
RR (C) 2.5 × 10–8 m (D) 0.2 × 10–8 m (C) 2.5 × 10–8 m (D) 0.2 × 10–8 m
RR
062. The radius of which of the following orbits 062. {ZåZ{b{IV ‘| go {H$gHo$ H$j H$s {ÌÁ¶m H$m ‘mZ
is same as that of the first Bohr's orbit of hmBS´>moOZ na‘mUw Ho$ àW‘ ~moha H$j H$s {ÌÁ¶m
H atom? Ho$ ~am~a hmoJm
(A) He+ (n=2) (B) Li2+ (n=2) (A) He+ (n=2)> (B) Li2+ (n=2)
(C) Li2+ (n=3) (D) Be3+ (n=2) (C) Li2+ (n=3) (D) Be3+ (n=2)
063. Which of the following substances is 063. {ZåZ ‘| go H$m¡Z gm nXmW© {ZåZ{b{IV A{^{H«$¶m
serving as a reducing agent in the following ‘| AnMm¶H$ H$s Vah H$m¶© H$aoJm?
reaction?
14H+ + Cr2 O7 + 3Ni → 2Cr3+ + 7H2O +
2-
14H+ + Cr2 O7 + 3Ni → 2Cr3+ + 7H2O +
2-
3Ni2+ 3Ni2+
(A) H2O (B) Ni (A) H2O$> (B) Ni
(C) H+
2-
(D) Cr2 O2-
7 (C) H+ (D) Cr2 O7
064. Which is the strongest acid? 064. {ZåZ ‘| g~go à~b Aåb hmoJm&
(A) H(ClO)O2 (B) H(ClO)O3 (A) H(ClO)O2 (B) H(ClO)O3
(C) H(ClO)O (D) H(ClO) (C) H(ClO)O (D) H(ClO)
065. IUPAC name of compound 065. {X¶o J¶o ¶m¡{JH$ H$m IUPAC Zm‘ hmoJm
O CH3 O CH3
N is N is
C CH3 C CH3
(A)
N, N - dimethyl cyclopropan (A) N, N - S>mB©‘o{Wb gmB³bmoàmonoZ H$m~m}³gmo‘mBS>
carboxamide
(B) N - ‘o{Wb gmB³bmoàmonoZ‘mBS>
(B) N - methyl cyclopropanamide
(C) gmB³bmoàmonoZmo‘mBS>
(C) Cyclopropianomide
(D) D$n¶w³V© ‘| H$moB© Zhr
(D) None of the above
2-AA ] [ 18 ] [ Contd...
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066. Which of the following reaction is not 066. {ZåZ{b{IV ‘| go H$m¡Z gr A{^{H«$¶m ghr Zht h¡ RR
correct. RR
– – + 2 + → Mn 2 + + RR
+
(A) MnO4 + 8H + 5Fe
2 + → Mn 2 + + (A) MnO4 + 8H + 5Fe RR
4H2O 4H2O RR
RR
(B) 2MnO2 + 4KOH + O2 → 4KMnO4 + (B) 2MnO2 + 4KOH + O2 → 4KMnO4 + RR
RR
2H2O 2H2O RR
RR
(C) 2Na2CrO4 + 2H+ → Na2Cr2O7 + (C) 2Na2CrO4 + 2H+ → Na2Cr2O7 + RR
2Na+ + H2O 2Na+ + H2O
(D) K2Cr2O7 + 7H2SO4+ 6KI → (D) K2Cr2O7 + 7H2SO4+ 6KI →
4K2SO4+ Cr2(SO4)3+ 3I2 + 7H2O 4K2SO4+ Cr2(SO4)3+ 3I2 + 7H2O
067. Which of the following compound will 067. {ZåZ ‘| go H$m¡Z-gm ¶m¡{JH$ ~«mo‘rZ Ob Ho$ gmW
give tribromo derivative when treated with CnM[aV H$aZo na Q´>mB~«mo‘mo ì¶wËnÞ XoJm?
bromine water.
CH3
CH3 CH2OH
CH2OH
(A) (B) (A) (B)
OH
OH
CH3 CH3
CH3 CH3
OH OH
(C) (D) (C) (D)
OH OH
068. If E°Cu2+| Cu = 0.34V and E°Ag+|Ag = 068. ¶{X E°Cu2+| Cu = 0.34V Ed§ E°Ag+|Ag = 0.80V.
0.80V, what is the emf of the cell {ZåZ g¡b H$m {dÚwVdmVH$ ~b 298 K na hmoJm
Cu|Cu2+ (0.01M) || Ag+(0.01M)|Ag Cu|Cu2+ (0.01M) || Ag+(0.01M)|Ag
at 298 K?
(A) 0.40V (B) 0.46 V
(A) 0.40V (B) 0.46 V
(C) 0.50 V (D) 0.52 V (C) 0.50 V (D) 0.52 V
069. The dark purple colours of KMnO4 is due 069. KMnO4 H$m Jham ~¢JZr a§J {H$go H$maU hmoJm
to
(A) d - d g§H«$‘U>
(A) d - d transition
(B) {bJ|S> joÌ g§H«$‘U
(B) Ligand field transition
(C) Amdoe ñWmÝVaU g§H«$‘U
(C) Charge transfer transition
(D) σ– π+ transition (D) σ – π+ g§H«$‘U
2-AA ] [ 19 ] [ P.T.O.
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RR 070. The number of σ and π bonds between 070. CaC2 ‘| Xmo H$m~©Z na‘mUw Ho$ ‘ܶ σ Ed§ π
RR two carbon atoms in CaC2 is
RR ~ÝYm| H$s g§»¶m hmoJr
RR (A) Three σ bonds and no π bonds (A) VrZ σ ~ÝY Am¡a H$moB© π ~ÝY Zht>
RR (B) Two π bonds and one σ bond (B) Xmo π ~ÝY Am¡a EH$ σ ~ÝY
RR
RR (C) Two σ bonds and one π bond (C) Xmo σ ~ÝY Am¡a EH$ π ~ÝY
RR (D) One π bond and one σ bond (D) EH$ π ~ÝY Am¡a EH$ σ ~ÝY
RR
RR
RR 071. Which one of the following is the weakest 071. {ZåZ ‘| go H$m¡Z gm Xþ~©bV‘ bwBg jma h¡
Lewis base? - -
- -
(A) CH3 > (B) NH2
(A) CH3 (B) NH2
(C) OH– (D) F– (C) OH– (D) F–
072. Which of the following cations will be have 072. Amg}{ZH$ gë’$mBS> gm°b Ho$ {b¶o {ZåZ{b{IV ‘|
minimum flocculation value for arsenic go H$m¡Z gm YZm¶Z ݶyZV‘ D$U©Z ‘mZ aIVm h¡&
sulphide sol?
(A) Na+ (B) Mg2+
(A) Na+ (B) Mg2+
(C) Ca2+ (D) Al3+ (C) Ca2+ (D) Al3+
x x
073. In the plot of log vs log P for an 073. A{YemofU AmaoI ‘| log vs log P go EH$
m m
adsorption, a straight line inclined at an grYr aoIm àmá hmoVr h¡ Omo {H$ x-Aj Ho$ gmnoj
angle of θ =14.04o to the x-axis was H$moU θ =14.04o na PwH$s h¡. A{YemofU àH«$‘
obtained. The 'n' value for this adsorption
‘| 'n' H$m ‘mZ hmoJm (tan 14.04o = 0.25)
process is (tan 14.04o = 0.25)
(A) 5 (B) 8
(A) 5 (B) 8
(C) 4 (D) 2 (C) 4 (D) 2
074. Extra pure N2 can be obtained by heating 074. {H$gH$mo J‘© H$aZo na gdm©{YH$ ewÕ N2 H$mo àmá
{H$¶m Om gH$Vm h¡&
(A) NH3 with CuO (B) NH4 NO3
(A) NH3 g§J CuO (B) NH4 NO3
(C) (NH4)2 Cr2O7 (D) Ba (N3)2
(C) (NH4)2 Cr2O7 (D) Ba (N3)2
075. Which of the following exhibits square 075. {ZåZ go H$m¡Z dJm©H$ma {nao{‘S>b Á¶m{‘{V àX{e©V
pyramidal geometry? H$aVm h¡.
(A) XeF6 (B) XeO3 (A) XeF6 (B) XeO3
(C) BrF5 (D) XeF4 (C) BrF5 (D) XeF4
2-AA ] [ 20 ] [ Contd...
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076. Which one amongst the following exhibit 076. {ZåZ{b{IV ‘| go H$m¡Z Á¶m{‘Vr¶ g‘md¶dVm RR
geometrical isomerism
àX{e©V H$aVm h¡&
RR
RR
(A) 8Co III ^NH3h5 BrB SO 4
(A) 8Co ^NH3 h5 BrB SO 4 > RR
III
RR
(B) 6Co III ^EDTAh@ (B) 6Co ^EDTA h@
-1
III -1 RR
RR
(C) 6Cr III ^SCNh6@ (C) 6Cr ^SCN h6@
3-
III 3- RR
RR
(D) 8Pt III ^NH3h2 Cl2B (D) 8Pt ^NH3 h2 Cl 2B
III RR
RR
077. The carbocation formed in SN1 reaction 077. EopëH$b h¡bmBS> H$s SN1 A{^{H«$¶m Ho$ ‘§X nX
of alkyl halide in the slow stop is
‘| àmá H$m~©YZm¶Z hmoVm h¡
(A) SP3 - hybridised (B) SP2 - hybridised (A) SP3 - g§H$[aV (B) SP2 - g§H$[aV
(C) SP - hybridised (D) SP3d - hybridised (C) SP - g§H$[aV (D) SP3d - g§H$[aV
078. Which of the following compounds is 078. AmoOmoZ naV Ho$ jaU Ho$ {b¶o {ZåZ ‘| H$m¡Z gm
responsible for depletion of Ozone layer?
¶m¡{JH$ CÎmaXm¶r h¡
(A) Freon (B) Chloroform
(A) {’«$Am°Z (B) ³bmoamo’$m‘©
(C) D.D.T (D) Iodoform (C) S>r.S>r.Q>r (D) Am¶moS>mo’$m°‘©
079. The chemical reation 079. {ZåZ amgm¶{ZH$ A{^{H«$¶m ³¶m H$hbmVr h¡
CHO
CO, HCl CHO
CO, HCl
Anhyd AlCl3 /CuCl
ew$$îH$ AlCl3 /CuCl
is known as
(A) JoQ>a‘Z A{^{H«$¶m
(A) Gatterman reaction
> (B) {Q>eoZH$mo A{^{H«$¶m
(B) Tischenko reaction
(C) Gatterman - Koch reaction (C) JoQ>a‘Z - H$moe A{^{H«$¶m
(D) Frankland reaction (D) ’«o$ÝH$boÝS> A{^{H«$¶m
080. When acetone is treated with dilute alkali, 080. O~ EgrQ>moZ H$s A{^{H«$¶m VZw jma Ho$ gmW
the product obtained is H$am¶r OmVr h¡ àmá CËnmX hmoJm&
(A) Mesitylene (B) Mesityl oxide (A) ‘ogrQ>mBbrZ> (B) ‘ogrQ>mBb Am°³gmBS>
(C) Paraldheyde (D) Phorone
(C) noamEëS>rhmBS> (D) ’$moamoZ
081. A metal present in insulin is 081. BÝgw{bZ ‘o§ CnpñWV YmVw h¡
(A) aluminium (B) zinc (A) Eë¶w{‘{Z¶‘> (B) qOH$
(C) iron (D) copper (C) Am¶aZ (D) H$m°na
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RR 082. Which of the following amino acid is not 082. {ZåZ ‘| go H$m¡Z gm A‘rZmo Aåb àH$mer¶ g{H«$¶
RR optically active Zht h¡&
RR (A) lactic acid (B) serine
RR (A) bo³Q>rH$ Aåb> (B) {gamBZ
RR (C) alanine (D) glycine (C) EboZmBZ (D) ½bmB{gZ
RR
RR 083. Time required for 100% completion of a 083. eyݶ H$moQ>r A{^{H«$¶m Ho$ 100% nyU© hmoZo Ho$
RR zero order reaction is
RR {b¶o Amdí¶H$ g‘¶ h¡
a
RR (A) ak (B) a
2k (A) ak (B)
RR a 2k
2k
(C) (D) a 2k
k a (C) (D)
k a
084. The final product formed in this reaction 084. Xr J¶r A{^{H«$¶m H$m A§{V‘ CËnmX hmoJm
is CH3
KMn O4 /KOH H3 O+
CH3
KMn O4 /KOH H3 O+ (A) (B)
(A) (B)
CHO COOK
CHO COOK
(A) (B) (A) (B)
CH2OH COOH CH2OH COOH
(C) (D) (C) (D)
085. Lassaigne's test for the detection of nitrogen 085. ZmBQ´>moOZ Ho$ {ZYm©aU Ho$ {bE b¡gmZo narjU ‘|
fails in Ag’$b h¡
(A) H2N – CO – NHNH2 ⋅ HCl (A) H2N – CO – NHNH2 ⋅ HCl
(B) NH2 – NH2 ⋅ HCl (B) NH2 – NH2 ⋅ HCl
(C) NH2 CO NH2 (C) NH2 CO NH2
(D) C6H5 – NH - NH2 HCl (D) C6H5 – NH - NH2 HCl
086. The self indicating silicagel impregnated 086. H$mo~mëQ> ³bmoamBS> Ûmam ^[aV ñdV: gyMH$ {g{bH$m
with cobalt chloride turns pink on absorbing O¡b dmVmdaU H$s Z‘r Ademo{fV H$a Jwbm~r hmoVm
moisture and becomes blue on heating. The h¡ VWm J‘© H$aZo Ho$ níMmV² Zrbm hmo OmVm h¡&
pink and blue colours are repectively due Jwbm~r Ed§ Zrbm a§J H«$‘e: {H$gHo$ H$maU hmoJm&
to
(A) [Co (H2O)6]2+ and [CoCl4]2-
(A) [Co (H2O)6]2+ and [CoCl4]2-
(B) [Co (H2O)6]2+ and Co2O3 (B) [Co (H2O)6]2+ and Co2O3
(C) [Co (H2O)6]2+ and [Co(H2O)6]3+ (C) [Co (H2O)6]2+ and [Co(H2O)6]3+
(D) Co2+ and Co3+ (D) Co2+ and Co3+
2-AA ] [ 22 ] [ Contd...
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087. Which of the following complex ions has 087. {ZåZ{b{IV ‘| go H$m¡Z gm g§Hw$b Am¶Z A{YH$V‘ RR
the highest magnetic moment Mwå~H$s¶ AmKyU© aIVm h¡& RR
RR
(A) [Cr (NH3)6]3+ (B) [Fe (CN)6]3– (A) [Cr (NH3)6] 3+ (B) [Fe (CN)6] 3– RR
RR
(C) [Fe (CN)6]4– (D) [Zn (NH3)6]2+ (C) [Fe (CN)6] 4– (D) [Zn (NH3)6] 2+ RR
RR
RR
088. Which of the following compounds is most 088. {ZåZ{b{IV ‘| go H$m¡Z ¶m¡{JH$ Zm{^H$ñZohr ¶moJmË‘H$ RR
reactive towards nucleophilic RR
A{^{H«$¶m Ho$ à{V g~go A{YH$ {H«$¶merb h¡& RR
(A) CH3CHO (B) PhCOCH3 (A) CH3CHO (B) PhCOCH3
(C) PhCOPh (D) CH3COCH3 (C) PhCOPh (D) CH3COCH3
089. In the cannizzaro reaction given below 089. ZrMo Xr J¶r H¡${ZOmam| A{^{H«$¶m H$o {b¶o Yr‘m
2 PhCHO → PhCH2OH + PhCO2- , the nX h¡&
slowest step is
2 PhCHO → PhCH2OH + PhCO2-
the attack of OH– at the carbonyl
(A)
group (A) H$m~m}{Zb g‘yh na OH– H$m AmH«$‘U>
(B) the transfer of hydride to the carbonyl (B) H$m~m}{Zb g‘yh na hmBS´>mBS> Am¶Z H$m
group ñWmZmÝVaU
(C)
the obstruction of proton from the (C) H$m~m}{³g{bH$ Aåb go àmoQ>moZ H$m {ZH$bZm
carboxylic acid
(D) PhCH2 OH H$m {dàmoQ>moZrH$aU
(D) the deprotonation of PhCH2 OH
090. Which of the following fcc structures 090. {ZåZ{b{IV ‘| go H$m¡Z gr fcc g§aMZm EH$mÝV[aV
contains cations in the alternate tetrahedral MVwî’$bH$s¶ [a{º$¶m| ‘| YZm¶Z aIVr h¡&
voids
(A) Na2O (B) ZnS (A) Na2O (B) ZnS
(C) CaF2 (D) CaO (C) CaF2 (D) CaO
091. In soap industry, glycerol can be sepeated 091. gm~wZ CÚmoJ ‘| ñn|Q> bmB© ‘| go {¾{gam°b H$m
from spent lye using the technique. n¥W³H$sH$aU H$aZo hoVy H$m¡Z gr {d{Y à¶moJ ‘|
(A) differential extraction br OmVr h¡&
(B) distillation under reduced pressure (A) {d^oXr {ZîH$f©U
(C) filteration (B) H$‘ Xm~ na AmgdZ
(C) emoYZ
(D) chromatographic sepesation
(D) H«$mo‘oQmoJ«m{’$H$ n¥W³H$aU
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RR 092. 0.532g of chloroplatinate of an organic base 092. H$m~© { ZH$ jma (AUw ^ ma 244) H$m 0.532 g
RR
RR (mol wt. 244) gave 0.195 g of platinum ³bmoamoßboQ>rZoQ> XhZ Ho$ níMmV 0.195g ßboQ>rZ‘
RR on ignition. The number of nitrogen atoms XoVm h¡& jma Ho$ à{V AUw ‘| ZmBQ´>moOZ na‘mUwAm|
RR
RR per molecule of base is
H$s g§»¶m h¡
RR
RR (A) 1 (0ne) (B) 2 (two) (A) 1 (EH$)> (B) 2 (Xmo)
RR
RR (C) 3 (three) (D) 4 (four) (C) 3 (VrZ) (D) 4 (Mma)
RR
093. The standard emf of a glavanic cell 093. 250c Vmn na EH$ ½moëdo{ZH$ g¡b H$m ‘mZH$
involving cell reaction with n=2 is found {dÚwVdmhH$ ~b 0.295 V nm¶m J¶m O~{H$ g¡b
to be 0.295V at 250c. The equilibrium A{^{H«$¶m ‘| n H$m ‘mZ 2 h¡& Bg A{^{H«$¶m Ho$
constant of the reaction would be. {b¶o gmå¶mdñWm pñWam§H$ hmoJm&
(A) 2.0 x 1011 (B) 4.0 x 1012 (A) 2.0 x 1011> (B) 4.0 x 1012
(C) 1.0 x 102 (D) 1.0 x 1010 (C) 1.0 x 102 (D) 1.0 x 1010
094. A reaction occurs spontaneously if 094. ñdV: A{^{H«$¶m hmoVr h¡ ¶{X
(A) T∆S < ∆H and both ∆H and ∆S are
(A) T
∆S < ∆H VWm XmoZm| ∆H d ∆S KZmË‘H$ h¢
+ve
(B) T∆S > ∆H and both ∆H and ∆S are
> (B) T
∆S > ∆H VWm XmoZm| ∆H d ∆S KZmË‘H$ h¢
+ve
(C) T∆S = ∆H and both ∆H and ∆S are (C) T
∆S = ∆H VWm XmoZm| ∆H d ∆S KZmË‘H$ h¢
+ve
(D) T∆S > ∆H and ∆H is +ve and ∆S (D) T
∆S > ∆H VWm ∆H KZmË‘H$ d ∆S
F$UmË‘H$ h¢
is –ve
-
095. The conjugate acid of NH2- is 095. NH2 H$m g§¶wp½‘V Aåb h¡
(A) N2H4 (B) NH4+ (A) N2H4> (B) NH4+
(C) NH2OH (D) NH3 (C) NH2OH (D) NH3
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096. If the density of CH3OH is 0.793 KgL–1, 096. ¶{X ‘oWoZm°b H$m KZËd 0.793 {H$J«m / {bQ>a h¡ RR
RR
what is the volume of methanol is needed Vmo 0.25 ‘moba ‘oWoZm°b Ho$ 2.5 {bQ>a {db¶Z RR
Ho$ {b¶o Amdí¶H$ ‘oWoZm°b H$m Am¶VZ hmoJm&
RR
for making 2.5 L of its 0.25 M solution? RR
RR
(A) 20.2 ml (B) 50.4 ml (A) 20.2 ml$> (B) 50.4 ml RR
RR
(C) 25.2 ml (D) 10.0 ml (C) 25.2 ml (D) 10.0 ml RR
RR
RR
097. Among the following the aromatic compound 097. {ZåZ ‘| go H$m¡Z Eoamo‘o{Q>H$ ¶m¡{JH$ h¡&
is
(A) (B)
(A) (B)
+ +
+ +
(C) (D) (C) (D)
– –
098. Only two isomeric monochloro derivatives 098. {H$gHo$ {bE Ho$db Xmo EH$b ³bmoamo g‘md¶dr
are possible for ì¶wáÞ gå^d h¡&
(A) n-butane (A) n-ã¶yQ>oZ>
(B) 2, 4-dimethyl pentane (B) 2, 4-S>mB©‘o{Wb noÝQ>oZ
(C) benzene (C) ~oÝOrZ
(D) 2 - methyl butane (D) 2 - ‘o{Wb ã¶yQ>oZ
099. Major pollutant in Jet plane emission is 099. OoQ> ßboZ CËg{O©V à‘wI àXÿfH$ h¡
(A) SO2 (B) CFC (A) SO2> (B) CFC
(C) CO (D) CCl4 (C) CO (D) CCl4
100. Galvanised iron is 100. ½m¡ëdZrH¥$V bmohm hmoVm h¡
(A) an alloy of iron with gallium (A) Am¶aZ Ho$ gmW J¡{b¶‘H$m {‘l YmVw
(B) iron used in a glavanometer > (B) EH$ J¡ëdoZmo‘rQ>a ‘| à¶wº$ Am¶aZ
(C) qOH$ Amd[aV bmohm
(C) iron coated with zinc
(D) Am¶aZ Ho$ gmW qOH$ H$m {‘l YmVw
(D) an alloy of iron with zinc
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RR BIOLOGY / Ord{dkmZ
RR 101. Which of the following is a diagnostic feature 101. {ZåZ ‘| go H$m¡Zgm g§K nmoar’o$am Ho$ dJ© So>‘moñnmo{O`m
RR of class Demospongia, Phylum Porifera
RR H$m {d^oXH$ bjU h¢:-
RR (A) Calcareous Spicules (A) Ho$ëñ`m‘r H§$Q>rH$mEo
RR
RR (B) Spongin fibers (B) ñà{OZ V§Vw
RR (C) Tetraaxon Spicules (C) g‘MVwaar H§$Q>rH$m
RR
RR (D) Monoaxon spicules (D) EH$mj H§$Q>rH$m
RR
RR
102. Which of the following statement is correct? 102. {ZåZ ‘| go H$m¡Z gm H$WZ ghr h¡?
(A) Infective stage of Plasmodium in Man (A) ‘Zwî` ‘| ßbmÁ‘mo{S>`‘ H$m g§H«$m‘H$ MaU
is Schizont gmBOmZ§Q> h¡&
(B) Binary fission in Paramecium is irregular (B)
n¡am‘r{e`‘ ‘| {Û {d^mOZ A{Z`{‘V hmoVm h¡&
(C) Monocystis lacks locomotor organelles (C)
‘moZm{gñQ>rg ‘| MbZ A§JH$ H$m A^md hmoVm
but possess contractile vacuole. h¡ na§Vw g§Hw$MZerb YmZr nmB© OmVr h¡&
(D)
Exflagellation in Plasmodium occurs (D)
ßbmÁ‘mo{S>`‘ ‘| {dH$mge^r^dZ `w½‘H$ OZH$
in Microgamete stage. AdñWm ‘| hmoVm h¡&
103. Which of the following is correctly matched? 103. {ZåZ ‘| go H$m¡Z gm gw‘o{bV h¡?
(A) Hydra-Chloragogen cell (A) hmBS´m- ŠbmoaoJmoOZ H$mo{eH$mE§
(B) Obelia-Metagenesis (B) Amo~o{b`m- ‘oQ>m OoZo{gg
(C) Hydra-Polymorphism (C) hmBS´m- ~hþ ê$nVm
(D) Obelia-Strobilation (D) Amo~o{b`m- ñQ´mo{~boeZ
104. Identify the correct statement 104. {ZåZ ‘| go H$m¡Z gm H$WZ ghr h¡?
In the life history of ascaris IVth
(A) (A)
EñHo$[ag Ho$ OrdZ MH«$ ‘| Mm¡Wm {Z‘m}H$
moult occurs inside the liver `H¥$V Ho$ A§Xa hmoVm h¡&
(B) Amphids of ascaris are chemoreceptors (B) EñHo$[ag Ho$ Apå’$S²g agmo J«mhr hmoVo h¢&
(C)
Ascaris produces HCL to counteract (C)
EñHo$[ag nanmofr Ho$ nmMH$ ag H$mo {Zî’$b
the host digestive enzymes H$aZo hoVw EM.grE.b CËnm{XV H$aVm h¡&
(D) Laureur’s canal is a part of excretory (D)
`H¥$V H¥${‘ ‘| bmama Zmb CËgO©Z V§Ì H$m
system of liver fluke. ^mJ h¡&
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105. Which of the following is correct? 105. ghr H$WZ H$mo A{^{ZYm©[aV H$s{OE RR
(A)
M ehli’s gland are coccon forming RR
(A) H|$MwE ‘| ‘ohbr J«§{W`m§ Hw$Hy$Z {Z‘m©U H$aZo RR
glands in earthworm dmbr J«§{W`m§ h¡& RR
(B) Taenia respire anaerobically (B) Q>r{Z`m ‘| AZmŠgr` œgZ hmoVm h¡&
RR
RR
(C)
L ife cycle of taenia solium is (C) Q>r{Z`m gmo{b`‘ H$m OrdZ MH«$ nm°br{OZo{Q>H$ RR
polygenetic hmoVm h¡& RR
RR
(D) Ootype is present in sheep liver fluke (D) ^oS‹ > Ho$ `H¥$V H¥${‘ ‘| A§S>dm{hZr {dÚ‘mZ hmoVr h¡& RR
RR
106. Identify the correct match from the following: 106. {ZåZ ‘| ghr gw‘o{bV A{^{ZYm©[aV H$s{OE
(A) Palemon- book lungs (A) no{b‘m|Z- nwñV ’w$’w$g
(B) Palamneus- hastate plate (B) nobo‘{Z`‘- Hw$Vm^ n{VH$m
(C) Scorpio- coxal glands (C) {~ÀNy>- H$jmJ J«§{W
(D) Prawn- uniramous (D) PtJm- EH$ emIr
107. In rabbit brunner's gland are present in the 107. IaJmoe ‘| ~«yZa J«§{W {H$gH$s {^{Îm ‘| nmB© OmVr
Wall of h¡
(A) Stomach (B) Ileum (A) A‘me` (B) B{b`‘
(C) Duodenum (D) Colon (C) J«hUr (D) H$mobZ
108. Auditory ossicles of rabbit lie in the 108. IaJmoe H$s ldU ApñWH$m ahVr h¡
(A) external auditory meatus (A) ~mø H$U© Hw$ha ‘|
(B) auditory capsules (B) ldU H$mof ‘|
(C) tympanic ring (C) H$U© nQ>h db` ‘|
(D) tympanic cavity (D) H$U© nQ>h Jwhm ‘|
109. The digestion of cellulose (Herbivores) in 109. grH$‘ ‘| g¡bb y moO (emH$mhmar ‘|) H$m nmMZ {H$gH$s
caecum takes place in the presence of CnpñW{V ‘| hmoVm h¡
(A) Entamoeba (A) E§Q>o‘r~m
(B) Ciliates (B) {g{b`oQ>g
(C) Active secretion of walls (C) ^rVr` go g{H«$` ómd Ûmam
(D) Bacteria (D) ~¡ŠQ>r[a`m
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RR 110. Which of the following veins collect blood 110. BZ‘| go H$m¡Z gr gram VZwnQ> go aº$ EH$Ì H$aVr
RR from diaphragm h¡
RR
RR (A) Phrenic (B) Intercostal (A) ’«o${ZH$ (B) A§Vam{ear`(’w$’w$g)
RR (C) Pulmonary (D) Subclavian (C) në‘moZar (D) AYmoObwH$
RR
RR
RR 111. In which of the following animals neotany 111. {ZåZ O§VA
w m| ‘| {H$gHo$ OrdZ MH«$ Ho$ Xm¡amZ {Ma^«Uy Vm
RR is observed during the life history? XoIr JB© h¡
RR
RR (A) Necturus (B) Icthyophis (A) Zo³Ë`wag (B) EŠÏ`mo{’$g
(C) Salamandra (D) Bufo (C) gobm‘|Ðm (D) ã`y’$mo
112. Theory of origin of life was initiated by: 112. OrdZ H$m CØd {gÕm§V {H$gZo à{Vnm{XV {H$`m
(A) Oparin (B) Pavlov (A) Amono[aZ (B) nmãbmo
(C) Huxley (D) Darwin (C) hŠgbo (D) S>m{d©Z
113. In evolution the role of isolation is 113. {dH$mg ‘| n¥W¸$aU H$m amob h¡
(A) evolutionary divergence (A) {dH$mgr` Angm[aVm
(B) evolutionary convergence (B) {dH$mgr` A{^g[aVm
(C) extermination of species (C) ñnrerO H$m CÝ‘ybZ
(D) differentiation of species (D) ñnrerO H$m {d^oXZ
114. Which of the following structure present in 114. {ZåZ ga§MZmAmo ‘| go H$m¡Z-gr IaJmoe Ho$ A§S>me`
the ovary of rabbit is absent in the ovary
‘| hmoVr h¡ na ‘|T>H$ ‘| Zht
of frog
(A) Corpus luteum (B) Oocyte (A) H$m°ang bw{Q>`‘ (B) A§S>H$
(C) Zona pellucida (D) Follicular cells (C) nmaXeu A§S>mdaU (D) nwQ>H$ H$mo{eH$mE±
115. The contractile vacuole of Amoeba proteus 115. A‘r~m àmo{Q>`g H$s g§Hw$MZ YmZr bwá hmo OmEJr
will disappear while other functions will
O~{H$ Xygao H$m`© MbVo ah|Jo, `Ú{n
Go On if;
(A) ‘mÜ`‘ H$s nrEM 6 H$a Xr OmE
(A)
if the pH of the medium is changed
(B) ‘mÜ`‘ H$m Vmn‘mZ ~‹T>m {X`m OmE
to 6
(C)
‘mÜ`‘ Zb Ho$ nmZr Ho$ gmW {‘bm {X`m
(B) the temperature of the medium is raised
OmE
(C) the medium is diluted with tap water
(D)
‘mÜ`‘ Ho$ gmW g‘wÐ H$m Ob {‘bm {X`m
(D) sea water is added to the medium
OmE
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116. Evolution is best explained by the Darwin's 116. S>m{d©Z Ho$ àmH¥${VH$ MwZmd Ho$ {gÕm§V Ûmam {dH$mg g~go RR
theory of natural selection which implies that AÀN>r Vah d{U©V {H$`m Om gH$Vm h¡ Omo `h ~VmVm h¡ RR
RR
(A)
acquired characters play no role in (A) Cnm{O©V bjUm| H$m {dH$mg ‘| H$moB© ^mJ RR
evolution Zht h¡ RR
RR
(B) gmYmaUV² Omo ì`{º$ g~go A{YH$ AZwH$y b hmo nmVo RR
(B) the individuals best adapted generally
h¢ dh g~go A{YH$ g§»`m ‘| g§VmZ CËnÞ H$a RR
produce the highest number of offspring RR
gH$Vo h¢ RR
(C)
the individuals best adapted do not (C) Omo ì`{º$ g~go A{YH$ AZwHy$b hmo nmVo h¢ RR
need to struggle for existence CZH$mo OrdZ ‘| g§Kf© Zht H$aZm n‹S>Vm
(D)
mutations are the raw material for (D)
àmH¥${VH$ MwZmd Ûmam {dH$mg Ho$ {bE CËn[adV©Z
evolution by natural selection H$ƒm ‘mb h¡
117. Which of the following group of animals 117. {ZåZ àmUr g‘yhm| ‘| go H$m¡Z go EH$ hr dJ© Ho$
are examples of the same class CXmhaU h¢
(A) Lumbricus, Hirudo and Pheritima (A) bpå~«Šg, {héS>mo Am¡a ’o$ao{Q>‘m
(B) Spiders, Millipedes and Peripatus > (B) ‘H$‹S>r, {‘brnrS> Am¡a noarn¡Q>g
(C) Cuttlefish, Squid and Pearl oyster (C) H$Q>b ‘N>br, ñHw$BS> Am¡a nb© Am°`ñQ>a
(D) Cyclops, Woodlice and Shrimps (D) gmBŠbmoßg, dwS> bmBg Am¡a {lån
118. Mouthparts in cockroach are 118. {Vb{MÅ>o ‘| ‘wIm§J hmoVo h¢:
(A) Piercing and sucking type (A) doYr d MygZo dmbo
(B) Siphoning type (B) gm`’$qZJ H$aZo dmbo
(C) Cutting and chewing type (C) H$mQ>Zo d M~mZo dmbo
(D) lapping type (D) MmQ>Zo dmbo
119. Atavism is a phenomenon in which: 119. nyd©OmZwê$nVm dh KQ>ZmH«$‘ h¡ {Og‘|:-
(A) an organ loses its function (A) A§J AnZm H$m`© Imo XoVm h¡
(B) an animal becomes extinct (B) àmUr {dbwá hmo OmVm h¡
(C) an organ becomes over specialized (C) A§H$ H$m AË`{YH$ {d{e{ï> H$aU hmo OmVm h¡
(D) a lost organ in a specie suddenly (D)
EH$ Om{V ‘| bwá EH$ A§J {H$gr ì`{º$ ‘|
reappear in an individual AMmZH$ nwZ… CËnÞ hmo OmVm h¡
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RR 120. Tapeworm has no digestive system because 120. ’$sVmH¥${‘ ‘| nmMZ V§Ì Zht hmoVm h¡ Š`m|{H$
RR (A) it is a parasite (A) `h EH$ naOrdr h¡
RR
RR (B) it lives in intestine (B) `h `H¥$V ‘| ahVm h¡
RR
RR (C) it does not require food (C) Bgo ^moOZ Zht Mm{hE
RR (D) it absorbs pre-digested food (D) `h nyd© n{MV ^moOZ Myg boVm h¡
RR
RR
RR
RR 121. In 7, 9, 12 and 13 Segments of Pheretima are 121. ’o$ao{Q>‘m Ho$ 7, 9, 12 VWm 13 do I§S>m| ‘| nmE OmVo h¢:-
found
(A) Ganglia (B) Pharyngeal nephridia (A) J|J{b`m (B) J«gZr Zo’«$s{S>`m
(C) Lateral Hearts (D) Spermatheca (C) nmœ© öX` (D) ñno‘m©{WH$s
122. The plant on which Hugo De Vries 122. Cg nm¡Yo H$m Zm‘ ~VmE§ {Og na à`moJ H$aHo$
experimented to propound his mutation
theory is hþJmo So> {d«Eg ‘| AnZm CËn[adV©Z {gÕm§V {X`m
(A) Calotropis (B) Garden pea (A) H¡$bmoQ>amo{ng (B) JmS©>Z nr
(C) Evening Primose (D) China rose (C) gm§Ü` {à‘mog (D) MrZr Jwbm~
123. Receptors which are sensitive to pain are 123. XX© H$s g§doXr [agoßQ>a {ZåZ h¡
known as
(A) Q>¢Jmo [agoßQ>a> (B) EobOogr [agoßQ>a
(A) Tangoreceptors (B) Algesireceptors
(C) Frigidoreceptors (D) Rheoreceptors (C) ’«$s{OXmo [agoßQ>a (D) [a¶mo[agoßQ>a
124. Down’s syndrome is caused by the 124. S>mCZ qgS´mo‘ {ZåZ AdñWm Ho$ H$maU hmoVm h¡:-
following condition
(A) XO (B) Q´mB©gmo‘r 18
(A) XO (B) trisomy 18
(C) trisomy 21 (D) XXY (C) Q´mB©gmo‘r 21 (D) XXY
125. Hybridoma technique is used for production 125. hmB~«rS>mo‘m VH$ZrH$ H$m à`moJ {H$gHo$ CËnmXZ Ho$
of {bE {H$`m OmVm h¡
(A) Polyclonal antibodies (A) nm°brŠbmoZb E§Q>r~m°S>r
(B) Monoclonal antibodies (B) ‘moZmoŠbmoZb E§Q>r~m°S>r
(C) Insulin (C) B§gw{bZ
(D) Vaccine for hepatitis B virus (D) honoQ>mB{Q>g ~r dm`ag H$m Q>rH$m
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126. Genes which confers antibiotic resistance 126. OrdmUw H$mo E§Q>r~m`mo{Q>H$ à{VamoYH$Vm XoZo dmbo OrZ RR
to bacteria are located on: RR
{ZåZ{bpIV na pñWV hmoVo h¢: RR
(A) Polysome (B) Mesosome (A) nm°brgmo‘> (B) ‘rgmogmo‘ RR
RR
(C) Plasmid (D) RNA (C) ßbmpñ‘S> (D) Ama.EZ.E. RR
RR
RR
127. Which of the following statement is correct 127. {ZåZ{bpIV ‘| go H$m¡Zgm VÏ` G1 AdñWm Ho$ ~mao ‘| RR
RR
about G1 phase? ghr h¡? RR
(A) Cell is metabolically inactive (A) H$mo{eH$m CnmnM`r {ZpîH«$` hmoVr h¡
(B) DNA in the cell does not replicate (B) H$mo{eH$m ‘| S>rEZE à{VH¥${V Zht H$aVm h¡
(C) It is not a phase of synthesis of (C)
d¥hX AUwAmo Ho$ g§ûcofU H$s AdñWm Zht
macromolecules h¡
(D) Cell stop growing (D) H$mo{eH$m H$s d¥{Õ éH$ OmVr h¡
128. Which of the following enzyme opens up 128. {ZåZ{bpIV ‘| go H$m¡Z gm E§OmB‘, à{VH¥${V ’$moH$© ‘|
the DNA at the replication fork? S>rEZE H$mo ImobVm h¡?
(A) DNA primase (B) DNA ligase (A) S>rEZE àmB‘oO (B) S>rEZE bmBJoO
(C) DNA helicase (D) DNA polymerase (C) S>rEZE hobrHo$O (D) S>rEZE nmobr‘aoµO
129. In an ecosystem, the rate of production 129. EH$ nm[apñW{VH$s V§Ì ‘|, àH$me g§ûcofU Ho$ Xm¡amZ
of organic matter during photosynthesis is H$m~©{ZH$ nXmWm] Ho$ CËnmXZ H$s Xa H$mo H$hm OmVm
termed as: h¡:
(A) Net productivity (A) ZoQ> CËnmXH$Vm
(B) Net primary productivity (B) ZoQ> àmW{‘H$ CËnmXH$Vm
(C) Gross primary productivity (C) gH$b àmW{‘H$ CËnmXH$Vm
(D) Secondary productivity (D) {ÛVr`H$ CËnmXH$Vm
130. Which one of the following pairs of gases 130. {ZåZ{bpIV ‘| go J¡gm| H$m H$m¡Zgm `w½‘ “ J«rZhmCg
is the major cause of “Greenhouse Effect”? (h[aVJ¥h) à^md ” H$m à‘wI H$maU h¡?
(A) CO2 and N2O (B) CO2 and O3 (A) CO2 and N2O (B) CO2 and O3
(C) CO2 and CO (D) CFCs and SO2 (C) CO2 and CO (D) CFCs and SO2
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RR 131. Mutations can be induced with: 131. CËn[adV©Z H$mo Bggo ào[aV {H$`m Om gH$Vm h¡:
RR (A) IAA (B) Infra-red radiation (A) IAA (B) BÝ’«$m-aoS> {d{H$aU
RR
RR (C) Ethylene (D) Gamma radiation (C) E{WbrZ (D) Jm‘m {d{H$aU
RR
RR
RR 132. According to Oswald Tippo’s classification, 132. AmogdmëS> {Q>ßnmo Ho$ dJuH$aU Ho$ AZwgma E§{O`moñn‘©g²
RR
RR Angiosperms are placed under: H$mo BgHo$ A§VJ©V aIm J`m h¢:
RR
RR (A) Atracheata (B) Thallophyta (A) EQ´o{H$`oQ>m ‘| (B) W¡bm|’$mBQ>m ‘|
(C) Tracheophyta (D) Spermatophyta (C) Q´o{H$`mo’$mBQ>m ‘| (D) ñno‘}Q>mo’$mBQ>m ‘|
133. What would be number of chromosomes of 133. 42 JwUgyÌ dmbr ‘yb erf© H$mo{eH$mAm| dmbo nmXn
aleurone cells of plant with 42 chromosomes H$s Eë`wamoZ H$mo{eH$mAm| Ho$ JwUgyÌ H$s g§»`m Š`m
in its root tip cells? hmoJr?
(A) 42 (B) 63 (A) 42 > (B) 63
(C) 84 (D) 21 (C) 84 (D) 21
134. A fruit developed from hypanthodium 134. hmB©n¡ÝWmoS>r`‘ nwînH«$‘ go ~ZZo dmbo ’$b H$mo H$hVo
inflorescence is called: h¡:
(A) Caryopsis (B) Hesperidium (A) H¡$[a`mopßgg (B) hoñn¡ar{S>`‘
(C) Sorosis (D) Syconus (C) gmoamo{gg (D) gmBªH$moZg
135. The waxy substance associated with the 135. H$m°H©$ H$mo{eH$mAm| H$s {^Îmr go Ow‹S>m ‘mo‘r nXmW©
wall of the cork cell is: hmoVm h¡:
(A) Lignin (B) Hemicellulose (A) {b{¾Z (B) ho‘rgoë`wbmog
(C) Cutin (D) Suberin (C) Š`y{Q>Z (D) gw~o[aZ
136. Which of the following shows water 136. {ZåZ{bpIV ‘| go {H$gHo$ g§dhZr ~§S>b ‘| Ob
containing cavities in vascular bundles? `wº$ Jwhm`o XoIr OmVr h¡?
(A) Pinus (B) Sunflower (A) nmB©Zg (B) gyaO‘wIr
(C) Maize (D) Cycas (C) ‘¸$m (D) gmBH$g
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137.
Classification of plants into hydrophytes, 137. nmXnm| H$m hmBS´mo’$mBQ²g (Obmo{ØX), ‘rgmo’$mBQ²g RR
mesophytes and xerophytes was suggested RR
(g‘mo{ØX) Am¡a Ooamo’$mBQ²g (‘éX{^X) ‘| dJuH$aU H$m RR
by: gwPmd BÝhmoZo {X`m: RR
RR
(A) Odum (B) Warming (A) AmoS>‘ (B) dm{‘ªJ RR
(C) Weaver (D) Misra (C) drda (D) {‘lm
RR
RR
RR
RR
138. Which of the following shows isogamy 138. {ZåZ{bpIV ‘| go H$m¡Z Anú‘m{^H$V `w½‘H$m| Ho$ gmW RR
with non-flagellated gametes? g‘`w½‘Z àX{e©V H$aVm h¡?
(A) Chlamydomonas (B) Spirogyra (A) Šb¡‘mBS>mo‘moZg (B) ñnmB©amoJmB©am
(C) Volvox (D) Ulothrix (C) dm°ëdm°Šg (D) `ybmo{W«Šg
139. Which of the following Bt-crop is being 139. {ZåZ{bpIV ‘| go H$m¡Z gr Bt-’$gb ^maV ‘| {H$gmZm|
grown by farmers in India? Ûmam CJmB© Om ahr h¡?
(A) Maize (B) Cotton (A) ‘¸$m> (B) H$nmg
(C) Brinjal (D) Soyabean (C) ~¢JZ (D) gmo`m~rZ
140. The hyphae of Rhizopus are: 140. amBOmong Ho$ hmB’$s hmoVo h¢:
(A) Aseptate and uninucleate (A) nQ>hrZ Am¡a EH$Ho$ÝÐH$s`
(B) Septate and uninucleate (B) nQ>`wº$ Am¡a EH$Ho$ÝÐH$s`
(C) Aseptate and coenocytic (C) nQ>hrZ Am¡a g§H$mo{eH$s`
(D) Septate and coenocytic (D) nQ>`wº$ Am¡a g§H$mo{eH$s`
141. In which of the following processes CO2 141. {ZåZ{bpIV ‘| go {H$g à{H«$`m ‘| CO2 ‘wº$ Zht H$s
is not released? OmVr h¡?
(A) Alcoholic fermentation (A) EëH$mohmo{bH$ {H$ÊdZ
(B) Lactate fermentation (B) b¡ŠQ>oQ> {H$ÊdZ
(C) Aerobic respiration in Animals (C) OÝVwAm| ‘| dm`wdr` œgZ
(D) Aerobic respiration in Plants (D) nmXnm| ‘| dm`wdr` œgZ
142. Protonema of Funaria is: 142. â`wZo[a`m ‘| àmoQ>moZr‘m hmoVm h¡ :
(A) Thalloid (B) Foliose (A) W¡bmoBS> (B) n{U©b
(C) Filamentous (D) Crustaceous (C) V§VwdV (D) nn©Q>rg‘
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RR 143. In Dryopteris, the sori are borne: 143. S´m`moßQ>o[ag ‘|, gmoamB© hmoVr h¡:
RR
RR (A) Laterally (B) Abaxially (A) nmœu` > (B) Anmjr`
RR
RR (C) Adaxially (D) Marginally (C) Aä`jr` (D) gr‘m§Vr`
RR
RR
RR 144. In Gymnosperms, nucellus is protected by 144. {OåZmoñn‘© ‘|, Ý`ygobg (~rOmÊS>H$m`) H$mo AmdaUm|
RR
RR envelopes and the composite structure is Ûmam g§a{jV {H$`m OmVm h¡ Am¡a g‘J« g§aMZm H$mo
RR called as: H$hm OmVm h¡:
(A) Ovule (A) ~rOm§S>
(B) Carpel (B) A§S>n
(C) Megaspore (C) ‘oJmñnmoa
(D) Megaspore mother cell (D) ‘oJmñnmoa ‘mV¥ H$mo{eH$m
145. In Malvaceae the flowers are generally: 145. gm‘Ý`V`m ‘mbdogr ‘| nwîn hmoVo h¡ :
(A) Actinomorphic, bisexual, epigynous and (A)
{ÌÁ`mg‘{‘V, C^`qbJr, Cn[aOm`m§Jr Ed§
pentamerous n§MV`r
(B)
Zygomorphic, bisexual, hypogynous (B)
EH$ì`mgg‘{‘V, C^`qbJr, AYmoOm`m§Jr Ed§
and tetramerous MVwV©`r
(C)
Actinomorphic, bisexual, hypogynous (C)
{ÌÁ`mg‘{‘V, C^`qbJr, AYmoOm`m§Jr Ed§
and pentamerous n§MV`r
(D)
Actinomorphic, bisexual, perigynous (D)
{ÌÁ`mg‘{‘V, C^`qbJr, n[aOm`m§Jr Ed§
and tetramerous MVwV©`r
146. Which one of the following is an example 146. {ZåZ{bpIV ‘| go H$m¡Z gm A§V-emofU H$m EH$
of imbibition? CXmhaU h¡?
(A) Uptake of water by root hairs (A) ‘yb amo‘ Ûmam nmZr H$m A§VJ«©hU
(B) Exchange of gases in stomata (B) a§Y« ‘| J¡gm| H$m AmXmZ-àXmZ
(C) Swelling of seed when put in soil (C) {‘Å>r ‘| S>mbZo na ~rO H$m ’y$bZm
(D) Opening of stomata (D) aÝY«m| H$m IwbZm
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147. How many molecules of ATP are required 147. ZmBQ´moOZ Ho$ EH$ AUw Ho$ pñWarH$aU hoVw EQ>rnr RR
to fix one molecule of Nitrogen? Ho$ {H$VZo AUwAm| H$s Amdí`H$Vm hmoVr h¡? RR
RR
(A) 12 (B) 20 (A) 12 (B) 20 RR
RR
(C) 6 (D) 16 (C) 6 (D) 16 RR
RR
RR
148. The enzyme that is not found in a C3 plant is: 148. C3 nmXnm| ‘| nm`m OmZo dmbm E§OmB‘ Zht h¡: RR
RR
(A) RuBP Carboxylase (A) RuBP H$m~m}p³gboO
RR
(B) NADP reductase (B) NADP [aS>³Q>og
(C) PEP Carboxylase (C) PEP H$m~m}p³gboO
(D) ATP synthase (D) ATP qgWoµO
149. Phosphorylation of glucose during Glycolysis 149. ½bmBH$mobmB{gg Ho$ Xm¡amZ ½byH$moO H$m ’$m°ñ’$mo[abrH$aU
is catalyzed by enzyme: CËào[aV H$aZo dmbm EÝOmB‘ hmoVm h¡:
(A) Phosphoglucomutase (A) ’$m°ñ’$mo½bwH$mo‘wQ>og
(B) Phosphoglucoisomerase (B) ’$m°ñ’$mo½bwH$mogmo{‘aoµO
(C) Hexokinase (C) hoŠOmoH$mB©ZoO
(D) Phosphorylase (D) ’$m°ñ’$mo[aboO
150. The photoperiod in plants is perceived at: 150. nm¡Ym| ‘| Xr{áH$m{bVm H$m J«hU {H$`m OmVm h¡:
(A) Meristem (B) Flower (A) {däÁ`moVH$ na (B) nwîn na
(C) Floral bud (D) Leaves (C) nwîn H${bH$m na (D) nU© na
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