Page 1
PAPER-2 PCB àíZnwpñVH$m H«$‘m§H$ àíZnwpñVH$m H$moS>
BD
Question Booklet Sr. No.
AZwH«$‘m§H$ / Roll No.
Q. Booklet Code
CÎma-erQ> H«$‘m§H$ / OMR Answer Sheet No.
KmofUm : / Declaration :
‘¢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
I have read and understood the instructions given on page No. 1 Seal of Superintendent of Examination Centre
narjmWu H$m hñVmja /Signature of Candidate
(AmdoXZ nÌ Ho$ AwZgma /as signed in application) H$j {ZarjH$ Ho$ hñVmja /Signature of the Invigilator
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 PCB 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$m Zm‘/
Name of Candidate : BD
Q. Booklet Code
narjm{W©¶m| Ho$ {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$m| 2. Before opening the SECURITY SEAL of the question booklet, write
your Name, Roll Number ( In figures), OMR Answer-sheet Number in
‘|) Amo.E‘.Ama. CÎma-erQ> H$m H«$‘m§H$ Bg àíZ-nwpñVH$m Ho$ D$na {X¶o J¶o the space provided at the top of the Question Booklet. Non-compliance
ñWmZ na {bI|& ¶{X do Bg {ZX}e H$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
ghm¶Vm bo gH$Vo/gH$Vr h¢, nm¶r Om¶oJr, Vmo Cgo A¶mo½¶ Kmo{fV H$a {X¶m Om or written material from which he/she might derive assistance, he/she
gH$Vm h¡& Bgr àH$ma, ¶{X H$moB© Aä¶Wu {H$gr ^r àH$ma H$s ghm¶Vm {H$gr ^r is liable to be treated at 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.
Page 2
PAPER-2
Physics : Q. 1 to Q. 50
Chemistry : Q. 51 to Q. 100
Biology : Q. 101 to Q. 150
PHYSICS / ^m¡{VH$emó
001. In Young’s double slit experiment, the path 001. `§J Ho$ {Û{N>Ð à`moJ ‘o§ nX} na EH$ {~ÝXþ na ì`{VH$aU
difference between two interfering waves at a point H$aZo dmbr Xmo Va§Jm| Ho$ ‘Ü` nWm§Va Va§JX¡Ü`© H$m 13.5
on screen is 13.5 times the wavelength. The point is: JwUm h¡ Vmo {~ÝXþ hmoJm :
(A) dark (A) AXrá
(B) bright but not central bright (B) Xrá naÝVw Ho$ÝÐr` Xrá Zht
(C) neither bright nor dark (C) Z Vmo Xrá Z hr AXrá
(D) central bright (D) Ho$ÝÐr` Xrá
002. A ball having velocity v towards right and having 002. EH$ J|X {OgH$m X{jUmdV© H$moUr` doJ h¡, `h Xm`t Va’$
angular velocity clockwise approaches the wall. It doJ v go EH$ Xrdma H$s Va’$ J{V H$a ahr h¡& Xrdma go
collides elastically with wall and moves towards
left. Ground and wall are frictionless . Select the
`h àË`mñW Q>¸$a H$aVr h¡ VWm `h ~m`t Va’$ bm¡Q>Vr h¡ &
correct statement about angular velocity of the ball O‘rZ d Xrdma Kf©Ua{hV h¡ & Xrdma Ho$ gmW Q>¸$a Ho$ ~mX
after collision. J|X Ho$ H$moUr` doJ Ho$ ~mao ‘| ghr H$WZ M`Z H$amo -
(A) It will be clockwise (A) X{jUmdV© hmoJr
(B) It will be anticlockwise (B) dm‘mdV© hmoJr
(C) It becomes zero (C) `h eyÝ` hmo OmVr h¡
(D) Angular speed decreases (D) H$moUr` Mmb KQ>Vr h¡
2-BD ] [2] [ Contd...
Page 3
003. Which of the following particle will describe the 003. {ZåZ H$Um| ‘| go H$m¡Zgm H$U g~go N>moQ>r {ÌÁ`m H$m d¥Îm
smallest circle when projected with same velocity ~ZmEJm O~ `h Mwå~H$s` joÌ Ho$ bå~dV g‘mZ doJ go
perpendicular to magnetic field ? àjo{nV {H$`m OmVm h¡ ?
(A) electron (B) proton (A) BboŠQ´moZ (B) àmoQ>moZ
(C) He + (D) Li+ (C) He+ (D) Li+
004. A loop PQR carries a current of 2A as shown. A 004. {MÌmZwgma EH$ byn PQR ‘| Ymam 2A h¡ & EH$ g‘mZ
uniform magnetic field (B=2T) is parallel to plane Mwå~H$s` joÌ (B=2T) byn Ho$ Vb Ho$ g‘mÝVa h¡ & byn
of the loop. The magnetic torque on the loop is : na Mwå~H$s` AmKyU© h¡ :
(A) 4 Nm (B) 16 Nm (A) 4 Nm (B) 16 Nm
(C) 8 Nm (D) zero (C) 8 Nm (D) eyݶ
005. The sides of a rectangle are 7.01 m and 12 m. Taking 005. EH$ Am`V H$s ^wOmE± 7.01 m VWm 12 m h¡ & gmW©H$ A§H$mo
the significant figures into account , the area of the H$mo boVo hþE Am`V H$m joÌ’$b hmoJm :
rectangle is :
(A) 84 m2 (B) 84.1 m2 (A) 84 m2 (B) 84.1 m2
(C) 84.00 m 2 (D) 84.12 m2 (C) 84.00 m2 (D) 84.12 m2
006. In steady state, charge on 3nF capacitor is : 006. ñWm`r AdñWm ‘o 3nF g§Ym[aÌ na Amdoe hmoJm:
(A) 54 nC (B) 36 nC (A) 54 nC (B) 36 nC
(C) 27 nC (D) 18 nC (C) 27 nC (D) 18 nC
007. Consider one dimensional motion of a particle. 007. EH$ H$U Ho$ {bE EH$ {d‘r` J{V br{OE & `hm± doJ v VWm
Velocity v versus time t graph is shown. Which g‘` t Ho$ ‘Ü` J«m’$ Xem©`m J`m h¡& H$m¡Zgm J«m’$ g‘` t
graph is most appropriate for displacement x versus Ho$ gmnoj {dñWmnZ x H$mo g~go Cn`wº$ ê$n go Xem©Vm h¡ ?
time t ?
(A) (B) (A) (B)
(C) (D) (C) (D)
. 2-BD ] [3] [ P.T.O.
Page 4
008. An object of mass 26kg floats in air and it is in 008. Ðì`‘mZ 26 kg H$s dñVw hdm ‘| V¡aVr hþB© gmå`dñWm
equilibrium state. Air density is 1.3 kg/m3 . The pñW{V ‘| h¡ & hdm H$m KZËd 1.3 kg/m3 h¡ & dñVw H$m
volume of the object is : Am`VZ hmoJm :
(A) 26 m3 (B) 10 m3
(A) 26 m3 (B) 10 m3
(C) 20 m3 (D) 13 m3
(C) 20 m3 (D) 13 m3
009. In the given circuit cell E has internal resistance of 009. {XE JE n[anW ‘| gob E H$m Am§V[aH$ à{VamoY r = 2X
r = 2X .What is the value of resistance R so that h¡& à{VamoY R H$m ‘mZ Š`m hmoZm Mm{hE Vm{H$ à{VamoY R
power delivered to resistor R is maximum ? H$mo àXmZ H$s JB© e{º$ A{YH$V‘ hmoJr ?
(A) 1 W (B) 2 W (A) 1 W (B) 2 W
(C) 3 W (D) 5 W (C) 3 W (D) 5 W
010. Two cylindrical rods A and B have same resistivities 010. Xmo ~obZmH$ma N>‹S>o§ A VWm B H$s à{VamoYH$Vm g‘mZ h¡ VWm
and same lengths . Diameter of rod A is twice the bå~mB© ^r g‘mZ h¡ & N>‹S> A H$m ì`mg N>‹S> B Ho$ ì`mg
diameter of the rod B. Ratio of voltage drop across H$m XþJwZm h¡ & N>‹S> A na dmoëQ>Vm H$m N>‹S> B na dmoëQ>Vm
rod A to rod B is : Ho$ gmW AZwnmV Š`m h¡ ?
1 1 1 1
(A) (B) (A) (B)
4 2 4 2
(C) 2 (D) 4
(C) 2 (D) 4
011. Which of the following material is not ferromagnetic 011. {ZåZ ‘| go H$m¡Zgm nXmW© bm¡ôMwå~H$Ëd àH¥${V H$m Zht h¡?
in nature ?
(A) Al (B) Fe (A) Al (B) Fe
(C) Co (D) Ni (C) Co (D) Ni
012. Three small balls of masses 1kg, 2kg and 3kg are 012. Ðì`‘mZ 1kg, 2kg VWm 3kg H$s VrZ N>moQ>r J|Xo EH$ hr
moving in a plane and their velocities are 1 m/s, Vb ‘| doJ H«$‘e… 1 m/s, 2 m/s VWm 3 m/s go {MÌmZwgma
2 m/s and 3 m/s respectively as shown. The total
J{V H$a ahr h¢ & {XE JE jU na {~ÝXþ P Ho$ gmnoj VrZmo
angular momentum of the system of the three balls
about point P at given instant of time is :
J|Xm| Ho$ {ZH$m` H$m Hw$b H$moUr` g§doJ h¡ :
(A) 7 kgm2s–1 (B) 8 kgm2s–1 (A) 7 kgm2s–1 (B) 8 kgm2s–1
(C) 9 kgm2s–1 (D) 36 kgm2s–1 (C) 9 kgm2s–1 (D) 36 kgm2s–1
2-BD ] [4] [ Contd...
Page 5
013. Three identical resistors each of resistance R are 013. VrZ EH$ g‘mZ à{VamoY {OZ‘| àË`oH$ H$m à{VamoY R h¡ H$mo
connected to an ideal cell of voltage V as shown . V dmoëQ> Ho$ AmXe© gob go {MÌmZwgma Omo‹S>m OmVm h¡ Vmo BZ
m
Total power dissipated in all three resistors is : VrZ à{VamoYm| ‘o§ Hw$b ì`{`V e{º$ hmoJr:
R 2V 2 3V 2 2V 2 3V 2
(A) (B) (A) (B)
3R 2R 3R 2R
3V 2 V2 3V 2 V2
(C) (D) (C) (D)
R 3R R 3R
014. For given logic diagram , output F=1, then inputs are: 014. {XE JE VH©$ n[anW ‘| {ZJ©V F=1, V~ {Zdoer h¡:
(A) A = 0, B = 0, C = 1 (A) A = 0, B = 0, C = 1
(B) A = 0, B = 0, C = 0 (B) A = 0, B = 0, C = 0
(C) A = 0, B = 1, C = 0 (C) A = 0, B = 1, C = 0
m (D) A = 1, B = 1, C = 1 (D) A = 1, B = 1, C = 1
015. Consider two polaroids A and B as shown. 015. Xem©E AZwgma Xmo nmoboamoBS> A VWm B na {dMma H$s{OE&
Unpolarized light is incident on polaroid A. Now AY«w{dV àH$me nmoboamoBS> A na Amn{VV hmoVm h¡ & A~
both the polaroids are rotated simultaneously by
180° in same sense of rotation such that at every XmoZm| nmoboamoBS> H$mo EH$ gmW 180° KyU©Z EH$ hr {Xem ‘|
instant, their pass(transmission) axes always Bg àH$ma go Ky{U©V {H$`m OmVm h¡ {H$ àË`oH$ jU XmoZm| H$s
remain parallel to each other. During the rotation, nmaJ‘Z Aj h‘oem EH$ Xygao Ho$ g‘mÝVa ahVo h¢& KyU©Z Ho$
intensity of transmitted light through polaroid B : Xm¡amZ nmoboamoBS> B go nmaJ{‘V àH$me H$s Vrd«Vm :
?
(A) decreases continuously (A) bJmVma KQ>Vr h¡
(B) increases continuously (B) bJmVma ~‹T>Vr h¡
(C) first increases then decreases (C) nhbo KQ>Vr h¡ {’$a ~‹T>Vr h¡
(D) remains same (D) g‘mZ ahVr h¡
r 016. Activity of a radioactive substance becomes from 016. EH$ ao{S>`mog{H«$` nXmW© H$s g{H«$`Vm 8000Bq go 1000Bq
8000Bq to 1000Bq in 12 Days. What is the half life VH$ 12 {XZm| ‘| hmo OmVr h¡ & ao{S>`mog{H«$` nXmW© H$s
of the radioactive substance ? AÕ©Am`w Š`m h¡?
(A) 3 days (B) 4 days (A) 3 {XZ (B) 4 {XZ
(C) 6 days (D) 2 days (C) 6 {XZ (D) 2 {XZ
017. The energy levels of a hypothetical one electron 017. EH$ H$mën{ZH$ EH$ BboŠQ´mZ na‘mUw {ZH$m` Ho$ D$Om© ñVa
16 16
atom system are given by E n = - 2 eV , where E n = - 2 eV h¡ Ohm± (n = 1, 2, 3,….) h¡ & O~ `h
n n
n = 1, 2, 3,….The wavelength of emitted photon àW‘ CÎmo{OV AdñWm go ‘yb ñVa ‘o§ g§H«$‘U H$aVm h¡ V~
corresponding to transition from first excited level
CËg{O©V ’$moQ>moZ H$s Va§JX¡Ü`© bJ^J hmoJr :
to ground level is about :
(A) 690 A° (B) 1035 A° (A) 690 A° (B) 1035 A°
(C) 1220 A° (D) 3650 A° (C) 1220 A° (D) 3650 A°
2-BD ] [5] [ P.T.O.
Page 6
018. What is the voltage across an ideal PN junction 018. {MÌmZwgma n[anW ‘| {XE JE AmXe© PN g§{Y S>m`moS> na
diode for shown circuit ? dmoëQ>Vm Š`m hmoJr ?
(A) 0V (B) 0.7V (A) 0V (B) 0.7V
(C) 1V (D) 2V (C) 1V (D) 2V
019. Power emitted by a black body at temperature 50°C 019. Vmn 50°C na EH$ H¥$îUrH$m Ûmam CËg{O©V e{º$ P h¡ &
is P. Now temperature is doubled i.e. temperature of A~ H¥$îUrH$m Vmn XþJwZm AWm©V 100°C H$a {X`m OmVm h¡
black body becomes 100°C. Now power emitted is : Vmo A~ CËg{O©V e{º$ hmoJr:
(A) 16 P (A) 16 P
(B) greater than P but less than 16P (B) P go A{YH$ naÝVw 16 P go H$‘
(C) greater than 16P (C) 16 P go A{YH$
(D) P
(D) P
020. An experimenter needs to heat a small sample to 020. EH$ à`moJ{dX EH$ N>moQ>o à{VXe© (sample) H$mo 900K Vmn
temperature 900K, but the only available large VH$ J‘© H$aZm MmhVm h¡ naÝVw ~‹S>r dñVw (object) H$m
object has maximum temperature of 600K. Could CnbãY A{YH$V‘ Vmn Ho$db 600K h¡& Š`m à`moJ{dX
the experimenter heat the sample to 900K by using
a large lens to concentrate the radiation from the
Ûmam {MÌmZwgma ~‹S>r dñVw go {d{H$aU H$mo EH$ ~‹S>o b|g
large object onto the sample as shown below ? Ûmam à{VXe© na H|${ÐV H$a à{VXe© H$m 900K Vmn {H$`m
Om gH$Vm h¡ ?
(A) Yes, if the volume of the large object is at least
1.5 times the volume of the sample. (A) hm±, `{X ~‹S>r dñVw H$m Am`VZ à{VXe© Ho$ Am`VZ
(B) Yes, if the front area of the large object is H$m 1.5 JwUm H$a {X`m OmE &
at least 1.5 times the area of the front of the (B)
hm±, `{X ~‹S>r dñVw H$m gå‘wI joÌ’$b à{VXe© Ho$ gå‘wI
sample.
(C) Yes, if the sample is placed at the focal point joÌ’$b H$m H$‘ go H$‘ 1.5 JwUm H$a {X`m OmE&
of the lens. (C) hm±, `{X à{VXe© H$mo b|g Ho$ ’$moH$g {~ÝXþ na aIm OmE&
(D) It is not possible (D) `h g§^d Zht h¡ &
021. Consider a small electric dipole with magnitude of 021. EH$ N>moQ>o {dÚwV {ÛY«wd {OgH$m {ÛY«wd AmKyU© H$m n[a‘mU
dipole moment p which is placed far away from point p h¡ BgH$mo {~ÝXþ A go H$m’$s Xya {MÌmZwgma aIm OmVm h¡ &
A as shown. The electric potential at the point A is : {~ÝXþ A na {dÚwV {d^d h¡ :
kp kp
(A) exactly zero (B) (A) nyU©V`m eyÝ` (B)
r2 r2
-k p kp -k p kp
(C) (D) (C) (D)
r r2 r
r2
2-BD ] [6] [ Contd...
Page 7
022. A conducting loop (as shown) has total resistance 022. {MÌmZwgma EH$ MmbH$ byn H$m Hw$b à{VamoY R h¡ & byn
R. A uniform magnetic field B = γt is applied Ho$ Vb Ho$ bå~dV EH$g‘mZ Mwå~H$s` joÌ B = γ t H$mo
perpendicular to plane of the loop where γ is a Amamo{nV {H$`m OmVm h¡ Ohm± γ AMa h¡ VWm t g‘` h¡&
constant and t is time. The induced current flowing byn go àdm{hV ào[aV Ymam hmoJr:
through loop is :
(b 2 + a 2) c (b 2 + a 2) ct (b 2 + a 2) c (b 2 + a 2) ct
(A) (B) (A) (B)
R R R R
(b a 2) c
2
- (b 2 - a 2) ct (b - a 2) c
2
(b 2 - a 2) ct
(C) (D) (C) (D)
R R R R
023. A uniform disc of mass M and radius R is hinged at 023. Ðì`‘mZ M d {ÌÁ`m R H$s EH$g‘mZ MH$Vr BgHo$ Ho$ÝÐ C na
its centre C. A force F is applied on the disc as shown. H$sb{H$V h¡ & EH$ ~b F H$mo MH$Vr na {MÌmZwgma Amamo{nV
At this instant, angular acceleration of the disc is : {H$`m OmVm h¡ & Bg g‘` MH$Vr H$m H$moUr` ËdaU h¡:
F F F F
(A) (B) 3 (A) (B) 3
2MR MR 2MR MR
F 2 F F 2 F
(C) (D) (C) (D)
MR 3 MR MR 3 MR
024. The velocity of a particle is zero at time t = 2 , then 024. g‘` t = 2 na H$U H$m doJ eyÝ` h¡ Vmo
(A) acceleration must be zero at t = 2 (A) t = 2 na ËdaU eyÝ` hr hmoJm &
(B) displacement must be zero in the interval (B) t = 0 go t = 2 A§Vamb ‘| {dñWmnZ eyÝ` hr hmoJm &
t = 0 to t = 2.
(C) t = 2 na ËdaU eyÝ` hmo gH$Vm h¡ &
(C) acceleration may be zero at t = 2
(D) t > 2 Ho$ {bE doJ eyÝ` hr hmoJm &
(D) velocity must be zero for t > 2
025. A ball moving in xy plane, has velocity (4 it - 4tj ) m/s 025. EH$ J|X xy Vb ‘| J{V H$aVr h¡ d O‘rZ go Q>¸$a go
just before the collision with ground. Coefficient of R>rH$ nyd© doJ (4 it - 4tj ) m/s h¡& Q>¸$a Ho$ {bE àË`mdñWZ
1
restitution for collision is e = . What will be velocity
2
JwUm§H$ e = 12 h¡& O‘rZ go Q>¸$a Ho$ R>rH$ nümV J|X H$m
of the ball just after the collision with ground? doJ Š`m hmoJm ?
(A) (4 it + 4tj) m/s (B) (2 it + 2tj) m/s (A) (4 it + 4tj) m/s (B) (2 it + 2tj) m/s
(C) (4 it + 2tj) m/s (D) (2 it + 4tj) m/s (C) (4 it + 2tj) m/s (D) (2 it + 4tj) m/s
2-BD ] [7] [ P.T.O.
Page 8
026. A light ray moving in medium- I (of refractive 026. EH$ àH$me {H$aU AndV©Zm§H$ n1 Ho$ ‘mÜ`‘-I
index n1) is incident on interface of two media ‘| J{V H$aVr hþB© XmoZm| ‘mÜ`‘m| H$s A§Vg©Vh
and it is totally internally reflected at the na Amn{VV hmoVr h¡ VWm A§Vg©Vh na nyU©V`m
interface. Now refractive index n2 of medium-II Am§V[aH$ namd{V©V hmoVr h¡ & A~ ‘mÜ`‘-II H$m
is decreased, then AndV©Zm§H$ n2 H$m ‘mZ KQ>m`m OmVm h¡ Vmo -
(A) ray will be totally transmitted in medium-II. (A) {H$aU nyU©V`m ‘mÜ`‘-II ‘| nmaJ{‘V hmoVr h¡&
(B) ray will move completely parallel to the (B) {H$aU A§Vg©Vh Ho$ nyU©V`m g‘mÝVa Om`oJr &
interface . (C) {H$aU A~ ^r A§Vg©Vh na nyU©V`m Am§V[aH$
(C) ray will be still totally internally reflected at namd{V©V hmoJr &
interface. (D) {H$aU ‘mÜ`‘-II ‘| nyU©V`m nmaJ{‘V Ho$db
(D) ray will be totally transmitted into medium-II V^r hmoJr O~ AmnVZ H$moU ~‹T>m`m OmVm
only if angle of incidence is increased. h¡&
027. A light beam consists of two types of photons. 027. EH$ àH$me {H$aU ‘| Xmo àH$ma Ho$ ’$moQ>moZ h¡& EH$
In one type each photon has energy 2eV and in Vah ‘| àË`oH$ ’$moQ>moZ H$s D$Om© 2eV h¡ VWm Xygao
other type each photon has energy 3eV. The light Vah ‘| àË`oH$ ’$moQ>moZ H$s D$Om© 3eV h¡& àH$me
beam is incident on a photoelectric material of {H$aU EH$ àH$me {dÚwVnXmW© {OgH$m H$m`©’$bZ
work function 1eV. The maximum kinetic energy 1eV h¡ Cg na {JaVr h¡& CËg{O©V ’$moQ>moBboŠQ´moZ
of emitted photoelectron is : H$s A{YH$V‘ J{VO D$Om© h¡ :
(A) leV (B) 2eV (A) leV (B) 2eV
(C) 3eV (D) 4eV (C) 3eV (D) 4eV
028. A light beam parallel to axis is incident on 028. Mma CÎmb b|gm| A, B, C VWm D Ho$ {ZH$m` na
the system of four convex lenses A, B, C and Aj Ho$ g‘mÝVa àH$me {H$aU nw§O Amn{VV hmoVm
D. Focal lengths of A, B, C and D are 30cm, h¡& boÝg A, B, C VWm D H$s ’$moH$g bå~mB©`m§
10cm, 30cm and 10cm respectively as shown. H«$‘e… 30cm, 10cm, 30cm VWm 10cm h¡§& `hm±
Here fixed distance BC=20cm. What should be pñWa Xyar BC = 20cm h¡& b|g A VWm b|g D
the distance between the lens A and lens D so Ho$ ‘Ü` Xyar {H$VZr hmoZr Mm{hE Vm{H$ AndV©Z Ho$
that after refractions, rays will be parallel to nümV {H$aUo§ (region) joÌ I, III VWm V ‘| Aj
axis in regions I, III and V? Ho$ g‘mÝVa hmo OmE±:
(A) 20 cm (B) 40 cm (A) 20 cm (B) 40 cm
(C) 100 cm (D) 80 cm (C) 100 cm (D) 80 cm
2-BD ] [8] [ Contd...
Page 9
029. A long silver tea spoon is placed in a cup filled 029. EH$ bå~o Mm§Xr Ho$ Mm` Må‘M H$mo J‘© Mm` go
with hot tea. After some time, the exposed end ^ao H$n ‘o§ aIm OmVm h¡ & Hw$N> g‘` ~mX Må‘M
(the end which is not dipped in tea) of the H$m Iwbm {gam (Omo Mm` ‘o Zht Sy>~m h¡) J‘© hmo
spoon becomes hot even without a direct contact OmVm h¡ `Ú{n `h Mm` Ho$ grYo g§nH©$ ‘o Zht
with the tea. This phenomenon can be explained Wm & `h à^md ‘w»` ê$n go {ZåZ go g‘Pm Om
mainly by: gH$Vm h¡ :
(A) thermal expansion (B) conduction (A) D$î‘r` àgma (B) MmbZ
(C) reflection (D) radiation (C) namdV©Z (D) {d{H$aU
030. Figure shows a nonconducting semicircular rod 030. {MÌ ‘| xy Vb ‘| EH$ AMmbH$ AY© d¥ÎmmH$ma N>S‹ >
in xy plane. Top half (quarter circle) has uniform Xem©`r JB© h¡& D$nar AmYo ^mJ (MVwWmªe d¥Îm) ‘o§
linear charge density - m whereas remaining half EH$ g‘mZ aoIr` Amdoe KZËd - m h¡ O~{H$ eof
has uniform linear charge density + m . What is the AmYo ^mJ ‘| EH$ g‘mZ aoIr` Amdoe KZËd + m h&¡
direction of the net electric field at point P? {~ÝXþ P na n[aUm‘r {dÚwV joÌ H$s {Xem Š`m hmoJr?
-m -m
+m +m
(A) along +x axis
(A) +x Aj Ho$ AZw{Xe
(B) along +y axis (B) +y Aj Ho$ AZw{Xe
(C) electric field is zero at point P, so direction (C) {~ÝXþ P na {dÚwV joÌ eyÝ` h¡ AV… {Xem kmV Zht
cannot be determined. H$s Om gH$Vr h¡
(D) along the bisector of x axis and y axis. (D) x Aj d y Aj Ho$ AÕ©^mOH$ Ho$ AZw{Xe
031. A bead of mass m can slide without friction on a 031. EH$ O‹S>dV d¥ÎmmH$ma j¡{VO db` {OgH$s {ÌÁ`m
fixed circular horizontal ring of radius 3R having 3R h¡ d Ho$ÝÐ C na h¡, Cg na m Ðì`‘mZ H$m
centre at the point C. The bead is attached to one EH$ ‘ZH$m {~Zm Kf©U Ho$ {’$gb gH$Vm h¡& ‘ZHo$
of the ends of spring of spring constant k. Natural H$mo EH$ pñà§J Ho$ EH$ {gao go ~m±Ym OmVm h¡ &
Cg pñà§J H$m pñà§J {Z`Vm§H$ k h¡ VWm pñà§J H$s
length of spring is R and the other end of the
àmH¥${VH$ bå~mB© R h¡ VWm pñà§J H$m Xygam {gam
spring is fixed at point O as shown in figure. Bead
{MÌmZwgma {~ÝXþ O na O‹S>dV h¡ & ‘ZHo$ H$mo pñW{V
is released from position A, what will be kinetic A go ‘wº$ {H$`m OmVm h¡ Vmo O~ `h pñW{V B
energy of the bead when it reaches at point B ? na nhþ§MVm h¡ V~ ‘ZHo$ H$s J{VO D$Om© hmoJr:
25 25
(A) 12 kR 2 (B) kR 2 (A) 12 kR 2 (B) kR 2
2 2
9 9
(C) kR2 (D) 8kR2 (C) kR2 (D) 8kR2
2 2
2-BD ] [9] [ P.T.O.
Page 10
032. The total electrostatic energy stored in both the 032. XmoZm| g§Ym[aÌ ‘o g§J«{hV Hw$b pñWa {dÚwV D$Om© h¡ :
capacitors is :
(A) 18 nJ (B) 9 nJ
(A) 18 nJ (B) 9 nJ
(C) 40.5 nJ (D) 13.5 nJ (C) 40.5 nJ (D) 13.5 nJ
033. Gravitational force acts on a particle due to fixed 033. EH$ g‘mZ R>mog O‹S>dV Jmobo Ho$ H$maU EH$ H$U na
uniform solid sphere. Neglect other forces. Then
Jwê$Ëdr¶ ~b bJVm h¡, AÝ` ~b ZJÊ` h¡ & V~ `h H$U:
particle :
(A) experiences a force directed along the radial (A) Ho$db {ÌÁ`r` {Xem Ho$ AZw{Xe hr ~b AZw^d H$aoJm&
direction only. (B) h‘oem {ÌÁ`r` {Xem Ho$ bå~dV J{V H$aoJm&
(B) always moves normal to the radial direction (C) h‘oem {ÌÁ`r` {Xem Ho$ AZw{Xe J{V H$aoJm&
(C) always moves in the radial direction only.
(D) always moves in circular orbit. (D) h‘oem d¥Îmr` J{V H$aoJm&
034. A block performs simple harmonic motion with 034. EH$ ãbm°H$ gmå`mdñWm {~ÝXþ x =0 Ho$ gmnoj gab Amd¥{V
equilibrium point x = 0. Graph of acceleration of the J{V H$aVm h¡ & ãbm°H$ Ho$ ËdaU H$mo g‘` Ho$ ’$bZ Ho$ ê$n
block as a function of time is shown. Which of the
following statement is correct about the block?
‘o J«m’$ Xem©`m J`m h¡ & ãbm°H$ Ho$ ~mao ‘o§ H$m¡Zgm H$WZ
gË` h¡ ?
(A) speed is maximum at t = 3s.
(B) displacement from equilibrium is maximum (A) t = 3s na H$U H$s Mmb A{YH$V‘ h¡&
at t = 4s. (B) t = 4s na H$U H$m gmå`mdñWm go {dñWmnZ A{YH$V‘ h¡&
(C) speed is maximum at t = 4s. (C) t = 4s na Mmb A{YH$V‘ h¡ &
(D) speed is minimum at t = 2s. (D) t = 2s na Mmb Ý`yZV‘ h¡&
035. There are two identical springs each of spring 035. `hm± Xmo EH$g‘mZ pñà§J h¡§ d àË`oH$ H$m pñà§J {Z`Vm§H$ k
constant k. Here springs, pulley and rods are h¡ & `hm± ãbm°H$ H$m Ðì`‘mZ m h¡ VWm pñà§J, nybr VWm
massless and block has mass m. What is the
N>‹S>o§ (rods) Ðì`‘mZhrZ h¡& gmå`mdñWm ‘§o àË`oH$ pñà§J H$m
extension of each spring at equilibrium ?
{dñVma Š`m hmoJm ?
mg 2mg mg 2mg
(A) (B) (A) (B)
k k k k
mg 3mg mg 3mg
(C) (D) (C) (D)
2k 4k 2k 4k
2-BD ] [ 10 ] [ Contd...
Page 11
036. Two tuning forks A and B produce 4 beats/sec. 036. A VWm B Xmo ñd[aÌ 4 {dñn§X /goH$ÊS> CËnÞ H$aVo h¢ & B
Forks B and C produce 5 beats/sec. Forks A and C VWm C ñd[aÌ 5 {dñn§X /goH$ÊS> CËnÞ H$aVo h¢ Vmo A VWm
may produce ……. beats/sec. C ñd[aÌ ......... {dñn§X /goH$ÊS> CËnÞ H$a gH$Vo h¢&
(A) 2 (B) 5 (A) 2 (B) 5
(C) 9 (D) 20 (C) 9 (D) 20
037. A 10gm bullet moving directly upward at 1000 m/s 037. EH$ 10gm H$s Jmobr 1000 m/s go grYr D$na J{V H$aVr
strikes and passes through the center of mass of hþE {dam‘ ‘| n‹S>o 10 kg Ðì`‘mZ Ho$ ãbm°H$ go Q>H$amVr h¡
a 10 kg block initially at rest .The bullet emerges VWm CgHo$ Ðì`‘mZ Ho$ÝÐ go JwOaVr h¡& Jmobr grYo D$na
from the block moving directly upward at 400 m/s. H$s Va’$ 400 m/s go ãbm°H$ ‘| go ~mha {ZH$bVr h¡ &O~
What will be velocity of the block just after the Jmobr ãbm°H$ go R>rH$ ~mha {ZH$bVr h¡ Cg jU ãbm°H$ H$m
bullet comes out of it ? doJ Š`m hmoJm ?
(A) 0.6 m/s (B) 1 m/s (A) 0.6 m/s (B) 1 m/s
(C) 0.4 m/s (D) 1.4 m/s (C) 0.4 m/s (D) 1.4 m/s
038. Two identical balls P and Q are projected with same 038. Xmo EH$g‘mZ J|Xo P VWm Q EH$ hr g‘mZ {~ÝXþ O go
speeds in vertical plane from same point O with CÜdm©Ya Vb ‘| g‘mZ Mmb go jo{VO Ho$ gmW àjonU H$moU
making projection angles with horizontal 30° and 60° H«$‘e… 30° d 60° na àjo{nV H$s OmVr h¡ VWm do grYo
respectively and they fall directly on plane AB at hr Vb A B na H«$‘e… {~ÝXþ P' d Q' na {JaVr h¡& Xyar Ho$
points P' and Q' respectively. Which of the following gå~ÝY ‘§o H$m¡Zgm {dH$ën gË` h¡ ?
statement is true about distances as given in options?
(A) AP' = AQ' as there are complimentary (A) AP' = AQ' Š`m|{H$ CZHo$ àjonU H$moU nyaH$ H$moU h¡§
projection angles.
(B) AP' > AQ'
(B) AP' > AQ'
(C) AP' < AQ'
(C) AP' < AQ'
(D) AP' ≤ AQ' (D) AP' ≤ AQ'
039. A string has a length of 5m between fixed points 039. Xmo pñWa {~ÝXþAmo§ Ho$ ‘Ü` EH$ añgr H$s bå~mB© 5m h¡ VWm
and has fundamental frequency of 20 Hz. What is BgH$s ‘yb^yV Amd¥{V 20 Hz h¡ Vmo {ÛVr` A{Yñda H$s
the frequency of the second overtone ? Amd¥{V Š`m hmoJr ?
(A) 30 Hz (B) 40 Hz (A) 30 Hz (B) 40 Hz
(C) 50 Hz (D) 60 Hz (C) 50 Hz (D) 60 Hz
2-BD ] [ 11 ] [ P.T.O.
Page 12
040. Displacement x versus t2 graph is shown for a 040. EH$ H$U Ho$ {dñWmnZ x H$m t2 Ho$ gmW J«m’$ ~Vm`m J`m
particle. The acceleration of the particle is : h¡& H$U H$m ËdaU h¡ :
(A) 2m/s2 (B) 4m/s2 (A) 2m/s2 (B) 4m/s2
(C) 8m/s2 (D) zero (C) 8m/s2 (D) eyݶ
041. For given LR circuit, growth of current as function 041. {XE JE LR n[anW ‘| Ymam H$s d¥{Õ H$mo g‘` t Ho$ ’$bZ
of time t is shown in graph. Which of the following Ho$ ê$n ‘o Xem©`m J`m h¡& {ZåZ ‘| go H$m¡Zgm {dH$ën n[anW
option represents value of time constant most Ho$ {bE H$mb {Z`Vm§H$ Ho$ ‘mZ Ho$ g~go ZOXrH$ h¡ ?
closely for the circuit?
(A) 0.4 s (B) 0.7 s (A) 0.4 s (B) 0.7 s
(C) 1 s (D) 2.4 s (C) 1 s (D) 2.4 s
042. Radii of two conducting circular loops are b and a 042. Xmo d¥ÎmmH$ma MmbH$ bynmo§ H$s {ÌÁ`mE± b VWm a Ohm±
respectively where b > > a. Centers of both loops b > > a, XmoZm| Ho$ Ho$ÝÐ gånmVr h¡§ bo{H$Z XmoZm| bynmo§ Ho$
coincide but planes of both loops are perpendicular Vb nañna bå~dV h¡§ & BZ bynm§o Ho$ {bE AÝ`moÝ` àoaH$Ëd
to each other. The value of mutual inductance for
these loops :
H$m ‘mZ h¡ :
n0 ra 2 n0 rb 2 n0 ra 2 n0 rb 2
(A) (B) (A) (B)
2b 2a 2b 2a
n0 rab n0 rab
(C) zero (D) (C) eyݶ (D)
2 (a + b) 2 (a + b)
043. A block of mass of 1kg is moving on the x axis. A 043. Ðì`‘mZ 1kg H$m EH$ ãbm°H$ x Aj na J{V‘mZ h¡ Bg na
force F acting on the block is shown. Velocity of H$m`©aV ~b F {MÌmZwgma h¡ & g‘` t = 2s na ãbm°H$ H$m doJ
the block at time t = 2s is - 3m/s . What is the speed
- 3m/s h¡ Vmo g‘` t = 4s na ãbm°H$ H$s Mmb Š`m hmoJr?
of the block at time t = 4s ?
(A) 5 m/s (B) 8 m/s (A) 5 m/s (B) 8 m/s
(C) 2 m/s (D) 3 m/s (C) 2 m/s (D) 3 m/s
2-BD ] [ 12 ] [ Contd...
Page 13
044. Two particles P and Q are moving on a circle. 044. Xmo H$U P VWm Q EH$ d¥Îm na J{V H$a aho h¡§& {H$gr jU
At a certain instant of time both the particles
XmoZm| H$U ì`mgV…{dnarV h¡§ VWm P H$m ñne©aoIr` ËdaU
are diametrically opposite and P has tangential
acceleration 8 m/s2 and centripetal acceleration 8 m/s2 VWm A{^H|${Ð` ËdaU 5 m/s2 h¡ O~{H$ Q Ho$db
5 m/s2 whereas Q has only centripetal acceleration A{^H|${Ð` ËdaU 1 m/s2 aIVm h¡ & {XE JE jU na Q
of 1 m/s2. At that instant acceleration (in m/s2) of P Ho$ gmnoj P H$m ËdaU (m/s2 ‘|) h¡ :
with respect to Q is :
(A) 12 (B) 14 (A) 12 (B) 14
(C) 80 (D) 10 (C) 80 (D) 10
045. In the given figure, atmospheric pressure P0 = 1 atm 045. {MÌ ‘| dm`w‘§S>br` Xm~ P0 = 1 atm VWm nmao ñV§^ H$s
and mercury column length is 9cm. Pressure P of bå~mB© 9cm h¡ & Zbr ‘| n[a~Õ J¡g H$m Xm~ P Š`m
the gas enclosed in the tube is : hmoJm?
(A) pressure of 85cm of Hg (A) 85cm Hg ñV§^ Xm~
(B) pressure of 67cm of Hg (B) 67cm Hg ñV§^ Xm~
(C) pressure of 90cm of Hg (C) 90cm Hg ñV§^ Xm~
(D) pressure of 78cm of Hg (D) 78cm Hg ñV§^ Xm~
046. PV diagram of an ideal gas is shown. The gas 046. EH$ AmXe© J¡g H$m PV AmaoI Xem©`m J`m h¡ & J¡g H$s
undergoes from initial state A to final state B such àmapå^H$ AdñWm A go A§{V‘ AdñWm B VH$ àH«$‘ Bg
that initial and final volumes are same . Select the àH$ma h¡ {H$ àma§{^H$ Am`VZ d A§{V‘ Am`VZ g‘mZ h¡&
correct alternative for given process AB. {XE JE AB àH«$‘ Ho$ {bE ghr {dH$ën M`Z H$amo :
(A) process is isochoric (A) àH«$‘ g‘Am`VZr h¡
(B) work done by gas is positive (B) J¡g Ûmam H$m`© YZmË‘H$ h¡
(C) work done by gas is negative (C) J¡g Ûmam H$m`© F$UmË‘H$ h¡
(D) temperature of gas increases continuously (D) J¡g H$m Vmn bJmVma ~‹T>Vm h¡
047. A small object of mass of 100gm moves in a circular 047. EH$ N>moQ>r dñVw {OgH$m Ðì`‘mZ 100gm h¡,`h EH$
path. At a given instant velocity of the object is d¥ÎmmH$ma nW ‘o§ J{V H$aVr h¡& {H$gr jU na Bg dñVw H$m
10it m/s and acceleration is (20it + 10tj ) m/s 2 . At
doJ 10it m/s VWm ËdaU (20it + 10tj ) m/s 2 h¡& Bg jU
this instant of time, rate of change of kinetic energy
of the object is :
na dñVw H$s J{VO D$Om© ‘| n[adV©Z H$s Xa hmoJr :
(A) 20 kgm2 s–3 (B) 200 kgm2 s–3 (A) 20 kgm2 s–3 (B) 200 kgm2 s–3
(C) 300 kgm2 s–3 (D) 10000 kgm2 s–3 (C) 300 kgm2 s–3 (D) 10000 kgm2 s–3
2-BD ] [ 13 ] [ P.T.O.
Page 14
048. A time varying horizontal force (in Newton) 048. g‘` n[adVu j¡{VO ~b (Ý`yQ>Z ‘|) F = 8 sin (4rt)
F = 8 sin (4rt) is acting on a stationary block of
EH$ {dam‘ ‘| aIo 2kg Ho$ ãbm°H$ na {MÌmZwgma bJVm h¡&
mass 2kg as shown. Friction coefficient between the
`hm± ãbm°H$ VWm O‘rZ Ho$ ‘Ü` Kf©U JwUm§H$ n = 0.5 VWm
block and ground is n = 0.5 and g = 10m/s 2 . Then
resulting motion of the block will be : g = 10m/s 2 h¡& ãbm°H$ H$s n[aUm‘r J{V hmoJr :
(A) It moves towards right (A) Xm`t Va’$ J{V H$aoJm
(B) It will oscillate (B) XmobZ H$aoJm
(C) It remains stationary (C) {dam‘ ‘| hr ahoJm
(D) It moves towards left (D) ~m§`r Va’$ J{V H$aoJm
049. Take Bulk modulus of water B = 2100MPa . What 049. `hm± Ob H$m Am`VZ àË`mñWVm JwUm§H$ B = 2100MPa
increase in pressure is required to decrease the br{OE & Ob Ho$ 200 brQ>a Am`VZ H$mo 0.004 à{VeV
volume of 200 liters of water by 0.004 percent ? KQ>mZo Ho$ {bE {H$VZm Xm~ n[adV©Z Amdí`H$ h¡?
(A) 84 kPa (A) 84 kPa
(B) 210 kPa (B) 210 kPa
(C) 840 kPa (C) 840 kPa
(D) 8400 kPa (D) 8400 kPa
050. Thin semicircular part ABC has mass m1 and 050. nVbo AÕ© d¥ÎmmH$ma ^mJ ABC H$m Ðì`‘mZ m1 h¡ VWm
diameter AOC has mass m2. Here axis passes ì`mg AOC H$m Ðì`‘mZ m2 h¡ &`hm± ì`mg Ho$ ‘Ü` {~ÝXþ
through mid point of diameter and the axis is go Aj JwOaVm h¡ VWm Vb ABC Ho$ bå~dV Aj h¡ VWm
perpendicular to plane ABC. Here AO = OC = R. AO = OC = R h¡ & Bg g§`wº$ {ZH$m` H$s Cg Aj (axis)
The moment of inertia of this composite system
Ho$ gmnoj O‹S>Ëd AmKyU© hmoJm :
about the axis is:
m2 R 2
m R2 (A) m1 R 2 +
(A) m1 R 2 + 2 12
12
m1 R 2 m2 R 2 m1 R 2 m2 R 2
(B) (B) +
2
+
3 2 3
m1 R 2 m2 R 2 m1 R 2 m2 R 2
(C) (C) +
2
+
6 2 6
m R2 m2 R 2
(D) m1 R + 2
2 (D) m1 R 2 +
3 3
2-BD ] [ 14 ] [ Contd...
Page 15
CHEMISTRY / agm¶Zemó
051. The number of moles of Grignard reagent consumed 051. ZrMo {XE JE `m¡{JH$ ‘| à{V ‘mob Cn^moJ hmoZo dmbo {J«¾mS©>
per mole of the compound : A{^H$‘©H$ Ho$ {H$VZo ‘mob hm|Jo :
(A) 4 (B) 2 (A) 4 (B) 2
(C) 3 (D) 1 (C) 3 (D) 1
052. The paramagnetic species is : 052. {ZåZ ‘| go AZwMwåãH$s` h¡ :
(A) KO2 (B) SiO2 (A) KO2 (B) SiO2
(C) TiO2 (D) BaO2 (C) TiO2 (D) BaO2
053. Which one of the following has the highest 053. {ZåZ ‘| go {H$gH$s Zm{^H$ ñZo{hVm A{YH$V‘ h¡?
Nucleophilicity ?
(A) F – (B) OH – (A) F – (B) OH –
(C) CH3 (D) NH2
- -
(C) CH3 (D) NH2
- -
054. In view of ∆rG0 for the following reactions : 054. {ZåZ A{^{H«$`mAm| Ho$ {bE ∆rG0 H$mo Ü`mZ ‘| aIVo
PbO 2 + Pb " 2PbO, Dr G0 < 0 hþE b¡S> (grgo) Am¡a {Q>Z Ho$ {bE H$m¡Zgr Am°ŠgrH$aU
SnO 2 + Sn " 2SnO, Dr G0 > 0 AdñWmE§ A{YH$ A{^bmj{UH$ h¢?
Which oxidation state is more characteristic for PbO 2 + Pb " 2PbO, Dr G0 < 0
lead and tin ? SnO 2 + Sn " 2SnO, Dr G0 > 0
(A) For lead +4, for tin +2 (A) b¡S> Ho$ {bE +4, {Q>Z Ho$ {bE +2
(B) For lead +2, for tin +2 (B) b¡S> Ho$ {bE +2, {Q>Z Ho$ {bE +2
(C) For lead +4, for tin +4 (C) b¡S> Ho$ {bE +4, {Q>Z Ho$ {bE +4
(D) For lead +2, for tin +4 (D) b¡S> Ho$ {bE +2, {Q>Z Ho$ {bE +4
055. Which of the following compounds will exhibit 055. {ZåZ ‘| go H$m¡Zgm `m¡{JH$ Á`m{‘Vr` g‘d`mdVm àX{e©V
geometrical isomerism? H$aoJm?
(A) 1–Phenyl–2–butane (A) 1-{’$ZmBb-2-ã`yQ>oZ
(B) 3–Phenyl–1–butene (B) 3 -{’$ZmBb-1-ã`yQ>rZ
(C) 2–Phenyl–1–butene (C) 2-{’$ZmBb-1-ã`yQ>rZ
(D) 1,1–Diphenyl–1–propene (D) 1,1-S>mB© {’$ZmBb-1-àmonrZ
056. At Critical Micell Concentration (CMC), the 056. H«$m§{VH$ {‘gob gm§ÐVm na gµ’$}ŠQ>oÝQ> AUw :
surfactant molecules: (A) AnK{Q>V hmoVo h¢
(A) decompose (B) {d`mo{OV hmoVo h¡§
(B) dissociate
(C) g§`mo{OV hmoVo h¡§
(C) associate
(D) nyU©V`m KwbZerb hmoVo h¡§
(D) become completely soluble
057. Which one of the following will be reactive for 057. n{H©$Z g§KZZ A{^{H«$`m Ho$ {bE {ZåZ ‘| go H$m¡Z {H«$`merb
Perkin condensation ? hmoJm?
(A) C6H5 CHO (B) CH3 O CHO (A) C6H5 CHO (B) CH3 O CHO
(C) CH3 CHO (D) O2N CHO (C) CH3 CHO (D) O2N CHO
2-BD ] [ 15 ] [ P.T.O.
Page 16
058. The pair of metal carbonyl complexes that are 058. YmVw H$m~m}{Zb g§Hw$b `m¡{JH$ H$m H$m¡Zgm `w½‘ g‘BboŠQ´mZ
isoelectronic is : h¡:
(A) [Co(CO)4]– and Ni(CO)4 (A) [Co(CO)4]– Am¡a Ni(CO)4
(B) Ni(CO)4 and V(CO)6 (B) Ni(CO)4 Am¡a V(CO)6
(C) [Cr(CO)6] and V(CO)6 (C) [Cr(CO)6] Am¡a V(CO)6
(D) [Fe(CO)4]– and Cr(CO)6 (D) [Fe(CO)4]– Am¡a Cr(CO)6
059. Which one of the following has (have) octahedral 059. {ZåZ ‘| go {H$gH$s /{H$ZH$s Aï>’$bH$s` Á`m{‘{V h¡ ?
geometry ?
(i) SbCl-6 (ii) SnCl62- (i) SbCl-6 (ii) SnCl62-
(iii) XeF6 (iv) IO65- (iii) XeF6 (iv) IO65-
(A) (i), (ii) & (iii) (B) (i), (ii) & (iv) (A) (i), (ii) & (iii) (B) (i), (ii) & (iv)
(C) (ii), (iii) & (iv) (D) All of these (C) (ii), (iii) & (iv) (D) ¶o g^r
060. In terms of polar character which one of the 060. Y«wdr` àH¥${V Ho$ g§X^© ‘| {ZåZ ‘| H$m¡Zgm H«$‘ ghr h¡?
following orders is correct?
(A) NH3 < H2O < HF <H2S (A) NH3 < H2O < HF <H2S
(B) H2S < NH3 < H2O < HF (B) H2S < NH3 < H2O < HF
(C) H2O < NH3 < H2S < HF (C) H2O < NH3 < H2S < HF
(D) HF < H2O < NH3 <H2S (D) HF < H2O < NH3 <H2S
061. Among the following compounds of Boron, the 061. ~moamZ Ho$ {ZåZ{bpIV `m¡{JH$m| ‘| go H$m¡Z σ – ~§Ymo§ Ho$ gmW
species which also forms π – bond in addition to gmW π – ~§Y ^r ~ZmVm h¡ :
σ – bonds is:
(A) BF 4- (B) BH3 (A) BF 4- (B) BH3
(C) B2H6 (D) BF3 (C) B2H6 (D) BF3
062. Identify the Brönsted acid in the following equation: 062. {ZåZ g‘rH$aU ‘| ~«m|gQ>oS> Aåb H$mo nhMmZ|:
PO34- + H 2 O (l) " HPO 24- (aq) + OH- (aq) PO34- + H 2 O (l) " HPO 24- (aq) + OH- (aq)
(A) OH- (B) PO3-
4 (A) OH- (B) PO3-
4
(C) HPO4 (D) H2O (C) HPO4 (D) H2O
063. The number of grams/weight of NH4Cl required to 063. Vmn 298K na 9.45 pH Ho$ ~’$a {d{b`Z H$mo V¡`ma
be added to 3 liters of 0.01M NH3 to prepare the H$aZo Ho$ {bE NH4Cl Ho$ {H$VZo J«m‘/^ma H$mo 3 brQ>a
buffer of pH=9.45 at temperature 298K 0.01M NH3 Ho$ {d{b`Z ‘| {‘bm`m Om`oJm ?
(Kb for NH3 is 1.85×10–5) (`hm± NH3 Ho$ {bE Kb =1.85×10–5)
(A) 3.53 gm (B) 0.354 gm (A) 3.53 gm (B) 0.354 gm
(C) 4.55 gm (D) 0.455gm (C) 4.55 gm (D) 0.455gm
064. For the reaction 2HI (g) H 2 (g) + I 2 (g) the 064. A{^{H«$`m 2HI (g) H 2 (g) + I 2 (g) H$s {d`moOZ
degree of dissociation (α) of HI(g) is related to H$s H$mo{Q> (α) gmå`mdñWm pñWam§H$ Kp ‘| gå~ÝY h¡ :
equilibrium constant Kp by the expression:
1+ 2 Kp 1 + 2K p 1+ 2 Kp 1 + 2K p
(A) (B) (A) (B)
2 2 2 2
2K p 2 Kp 2K p 2 Kp
(C) (D) (C) (D)
1 + 2K p 1 + 2 Kp 1 + 2K p 1 + 2 Kp
2-BD ] [ 16 ] [ Contd...
Page 17
065. A 6% solution of sucrose C22H22O11 is isotonic with 065. gwH«$moO C22H22O11 H$m 6% {db`Z EH$ AkmV H$m~©{ZH$
3% solution of an unknown organic substance. The nXmW© Ho$ 3% {db`Z Ho$ gmW g‘namgmar h¡& AkmV
molecular weight of unknown organic substance H$m~©{ZH$ nXmW© H$m AmU{dH$ ^ma hmoJm:
will be:
(A) 342 (B) 684 (A) 342 (B) 684
(C) 171 (D) 100 (C) 171 (D) 100
066. The enthalpy of the formation of CO2 and H2O are 066. CO2 Am¡a H2O Ho$ g§^dZ H$s D$î‘m H$m ‘mZ H«$‘e…
– 395 kJ and – 285 kJ respectively and the enthalpy -395 kJ Am¡a -285 kJ h¡ Am¡a E{g{Q>H$ E{gS> Ho$ XhZ H$s
of combustion of acetic acid is 869 kJ. The enthalpy D$î‘m 869 kJ h¡& E{g{Q>H$ E{gS> Ho$ g§^dZ H$s D$î‘m h¡:
of formation of acetic acid is:
(A) 235 kJ (B) 340 kJ
(A) 235 kJ (B) 340 kJ
(C) 420 kJ (D) 491 kJ
(C) 420 kJ (D) 491 kJ
067. Which of the following is a lyophobic colloid : 067. {ZåZ ‘| go H$m¡Zgm EH$ Ðd{damJr H$mobmBS> h¡ :
(A) Gelatin (B) Sulphur (A) {OboQ>rZ (B) gë’$a
(C) Starch (D) Gum Arabica (C) ñQ>mM© (D) J‘ Aao{~H$
068. For car battery which one is correct statement ? 068. H$ma H$s ~¡Q>ar Ho$ {bE H$m¡Zgm H$WZ gË` h¡ ?
(A) Cathode is Lead dioxide (PbO2) and anode is (A) H¡$WmoS> boS> S>mBAm°ŠgmBS> (PbO2) Ed§ EZmoS> boS>
Lead (Pb) (Pb) hmoVm h¡
(B) Cathode is Lead dioxide (PbO2) and anode is (B) H¡$WmoS> boS> S>mBAm°ŠgmBS> (PbO2) Ed§ EZmoS> H$m°na
Copper (Cu) (Cu) hmoVm h¡
(C) Cathode is Copper (Cu) and anode is Lead (C) H¡$WmoS> H$m°na (Cu) Ed§ EZmoS> boS> S>mBAm°ŠgmBS>
dioxide (PbO2) (PbO2) ) hmoVm h¡
(D) Cathode is Copper (Cu) and anode is Lead (Pb) (D) H¡$WmoS> H$m°na (Cu) Ed§ EZmoS> boS> (Pb) hmoVm h¡
069. Considering entropy(s) as a thermodynamic 069. E§Q´monr H$mo D$î‘mJ{VH$s àmMb ‘mZVo hþE {H$gr ñdV…
parameter, the criterion for the spontaneity of any àd{V©V àH«$‘ Ho$ {bE E§Q´monr n[adV©Z hmoJm:
process the change in entropy is : (A) (∆ SV§Ì – ∆Sn[adoe ) > 0
(A) (∆ Ssystem – ∆Ssurrounding ) > 0
(B) Ho$db ∆SV§Ì > 0
(B) ∆Ssystem > 0 only
(C) ∆S surrounding > 0 only (C) Ho$db ∆S n[adoe > 0
(D) (∆ Ssystem + ∆Ssurrounding ) > 0 (D) (∆SV§Ì + ∆Sn[adoe ) > 0
070. At low pressure and high temperature, the Vander 070. H$‘ Xm~ Am¡a Cƒ Vmn‘mZ na, dm§S>a dmb g‘rH$aU H$m
Waal’s equation is finally reduced (simplified) to : A§{V‘ gabrH¥$V n[ad{V©V ê$n hmoJm:
(A) PVm = RT (A) PVm = RT
a a
(B) c P + m (Vm - b) = RT (B) c P + m (Vm - b) = RT
V m2 V m2
(C) P(Vm – b) = RT (C) P(Vm – b) = RT
a a
(D) c P + 2 m Vm = RT (D) c P + m V = RT
Vm V m2 m
2-BD ] [ 17 ] [ P.T.O.
Page 18
071. Which graph represents the zero order reaction 071. {ZåZ ‘| go H$m¡Zgm J«m’$ eyÝ` H$mo{Q> A{^{H«$`m
[A (g) " B (g)] [A (g) " B (g)] H$mo àX{e©V H$aVm h¡ :
(A) (B) (A) (B)
(C) (D) (C) (D)
072. Which of the following compounds is insoluble 072. {ZåZ ‘| go H$m¡Zgm `m¡{JH$ J‘© gmÝÐ H2SO4 ‘| ^r A{dbo`
even in hot concentrated H2SO4? h¡ ?
(A) Ethylene (B) Benzene (A) E{WbrZ (B) ~|OrZ
(C) Hexane (D) Aniline (C) hoŠgoZ (D) E{ZbrZ
073. The half life of Th232 is 1.4 × 1010 years and that 073. Th232 H$s AY© Am`w H$m ‘mZ 1.4 × 1010 df© h¡ Am¡a
of its daughter element Ra238 is 7 years. What Bggo CËnÞ nwÌr VËd Ra238 H$s AY© Am`w 7 df© h¡ &
amount (most nearly) weight of Ra238 will be in Ra238 H$s {H$VZr (g~go g‘rnV‘) ‘mÌm Th232 H$s
equilibrium with 1gm of Th232 ? 1gm ‘mÌm Ho$ gmW gmå` ‘| hmoJr ?
(A) 5 × 10–10gm (B) 5.0 gm (A) 5 × 10–10gm (B) 5.0 gm
(C) 1.95 × 10–9 gm (D) 2 × 10–10 gm
(C) 1.95 × 10–9 gm (D) 2 × 10–10 gm
074. Which of the following electron has minimum energy? 074. {ZåZ{bpIV ‘| go H$m¡Zgm BboŠQ´m°Z Ý`yZV‘ D$Om© aIVm h¡?
1 1
(A) n = 3, l = 2, m = –2, s = + (A) n = 3, l = 2, m = –2, s = +
2 2
1 1
(B) n = 4, l = 0, m = 0, s = + (B) n = 4, l = 0, m = 0, s = +
2 2
1 1
(C) n = 4, l = 1, m = +1, s = + (C) n = 4, l = 1, m = +1, s = +
2 2
1 1
(D) n = 5, l = 0, m = 0, s = + (D) n = 5, l = 0, m = 0, s = +
2 2
075. Total number of stereoisomers of the following 075. {ZåZ `m¡{JH$m| Ho$ {Ì{d‘ g‘md`dr`m| H$s g§»`m H«$‘e… h¢:
compounds are respectively :
(i) (ii)
(i) (ii)
(A) 4, 6 (B) 8, 0
(A) 4, 6 (B) 8, 0 (C) 6, 6 (D) 8, 8
(C) 6, 6 (D) 8, 8
076. Which of the following is a monomer of Dacron: 076. {ZåZ ‘| go H$m¡Zgm So>H«$moZ H$m EH$bH$ h¡ ?
(A) CH 2 CH - CH CH 2 (A) CH 2 CH - CH CH 2
Cl Cl
(B) H 2 C C - CH CH 2 (B) H 2 C C - CH CH 2
(C) COOH COOH (C) COOH COOH
(D) HOH 2 C - CH 2 OH (D) HOH 2 C - CH 2 OH
2-BD ] [ 18 ] [ Contd...
Page 19
077. Which of the following is a meso compound ? 077. {ZåZ ‘| go H$m¡Zgm {‘gmo `m¡{JH$ h¡ ?
(A) trans–1, 4–dimethylcyclohexane (A) Q´m§g -1, 4- S>mB©‘o{WbgmBŠbmohoŠgoZ
(B) cis–1, 3–dimethylcyclohexane (B) {gg -1, 3- S>mB©‘o{WbgmBŠbmohoŠgoZ
(C) trans–1, 3–dimethylcyclohexane (C) Q´m§g -1, 3- S>mB©‘o{WbgmBŠbmohoŠgoZ
(D) cis–1, 4–dimethylcyclohexane (D) {gg -1, 4- S>mB©‘o{WbgmBŠbmohoŠgoZ
078. IUPAC name of the following is : 078. {ZåZ H$m IUPAC Zm‘ h¡ :
CH3 CH 2 CH CHCH 2 CH3 CH3 CH 2 CH CHCH 2 CH3
CH3 CHO CH3 CHO
(A) 2,5 Butyl butenal
(B) 2,3 di ethyl butenal (A) 2, 5 ã`w{Q>b ã`yQ>oZb
(C) 2 ethyl–3 methyl pentanal (B) 2, 3 S>mB E{Wb ã`yQ>oZb
(D) 8 methyl– 2 ethyl pentanal (C) 2 E{Wb, 3 ‘o{Wb n|Q>oZb
(D) 8 ‘o{Wb, 2 E{Wb n|Q>oZb
079. Which of the following is Reimer - Tieman reaction? 079. {ZåZ ‘| go H$m¡Zgr ar‘a Q>r‘mZ A{^{H«$`m h¡ ?
OH OH
(A) + CHCl3 + aq. NaOH (A) + CHCl3 + aq. NaOH
OH OH
(B) + CHCl3 + alcoh. NaOH (B) + CHCl3 + alcoh. NaOH
OCH3 OCH3
anhy. AlCl3
(C) + CH3 COCl (C) + CH3 COCl anhy. AlCl3
OC2H5 OC2H5
(D) Conc.H2 SO4 Conc.H2 SO4
Conc.HNO3 (D)
Conc.HNO3
080. The increasing order of the first ionization enthalpies 080. B, P, S Am¡a F VËdm| H$s àW‘ Am`ZZ EÝWopën`m| H$m
of the elements B, P, S and F is: ~‹T>Vm hþAm H«$‘ h¡ :
(A) B < P < S < F (B) B < S < P < F (A) B < P < S < F (B) B < S < P < F
(C) F < S < P < B (D) P < S < B < F (C) F < S < P < B (D) P < S < B < F
081. Some pairs of ions are given below. In which pair, 081. ZrMo Hw$N> Am`Zm| Ho$ `w½‘ {XE JE h¢, BZ‘o§ go {H$g‘o àW‘
first ion is more stable than second ion ? Am`Z Xÿgao Am`Z go A{YH$ ñWm`r h¡?
5 5 5 5
p
(A) H3 C - CH - CH3 and - CH - OCH 3 (A) H3 C - CH - CH3 VWm - CH - OCH p 3
5 5
(B) H3 C - CH 2 - CH - CH3 and (B) H3 C - CH 2 - CH - CH3 VWm
5 5
H 2 C - CH 2 - CH - CH 2 H 2 C - CH 2 - CH - CH 2
5 5 5
5
CH 2 CH 2 CH 2 CH 2
(C) and (C) VWm
H3 C - CH - CH3 H3 C - N - CH3 H3 C - CH - CH3 H3 C - N - CH3
(D) and (D) VWm
H 2 C - C - CH3 H3 C - C - CH3 H 2 C - C - CH3 H3 C - C - CH3
5 5 5
5
2-BD ] [ 19 ] [ P.T.O.
Page 20
082. Which alkaline earth metal compound is volatile ? 082. {ZåZ ‘| go H$m¡Zgm jmar` ‘¥Xm YmVw `m¡{JH$ dmînerb h¡ ?
(A) Be3N2 (B) Mg3N2 (A) Be3N2 (B) Mg3N2
(C) Ca3N2 (D) None of the options (C) Ca3N2 (D) BZ‘o go H$moB© {dH$ën Zht
083. What is the name of the following reaction? 083. {ZåZ A{^{H«$`m H$m Zm‘ Š`m h¡ ?
NaOH NaOH
HCHO + HCHO CH3OH + HCOONa HCHO + HCHO CH3OH + HCOONa
T T
(A) Hell–Volhard reaction (A) hob dmoëhmS©> A{^{H«$`m
(B) Clemmensen reaction (B) Šbo‘|gZ A{^{H«$`m
(C) Cannizzaro reaction (C) H$m{ZµOamo A{^{H«$`m
(D) None of the options (D) H$moB© ^r {dH$ën Zht
084. Inorganic graphite is: 084. AH$m~©{ZH$ J«o’$mBQ> h¡ :
(A) B2N3H6 (B) B2H6 (A) B2N3H6 (B) B2H6
(C) BN (D) BF3 (C) BN (D) BF3
085. Rank the following in decreasing order of basic strength: 085. {ZåZ H$s jmar` gm‘Ï`© H$m KQ>Vm hþAm H«$‘ h¡ :
(i) CH3 - CH 2 - C / C- (i) CH3 - CH 2 - C / C-
(ii) CH3 - CH 2 - S- (ii) CH3 - CH 2 - S-
(iii) CH3 - CH 2 - CO-2 (iii) CH3 - CH 2 - CO-2
(iv) CH3 - CH 2 - O- (iv) CH3 - CH 2 - O-
(A) ii > i > iv > iii (B) iv > i > ii > iii (A) ii > i > iv > iii (B) iv > i > ii > iii
(C) i > iv > ii > iii (D) i > iv > iii > ii (C) i > iv > ii > iii (D) i > iv > iii > ii
086. Among the given compound choose the two that 086. {ZåZ ‘| go Xmo `m¡{JH$m| H$m M`Z H$a| Omo {H$ Am`ZZ Ho$ ~mX
yield same carbocation on ionization. g‘mZ H$m~© YZAm`Z ~Zm`|Jo-
Br Br Br Br
Br Br
Br Br
(i) (ii) (iii) (iv) (i) (ii) (iii) (iv)
(A) (i),(iii) (B) (ii),(iv) (A) (i),(iii) (B) (ii),(iv)
(C) (i),(ii) (D) (ii),(iii) (C) (i),(ii) (D) (ii),(iii)
087. Increasing order of acidic strength of given 087. {ZåZ `m¡{JH$m| H$s Aåbr` gm‘Ï`© H$m ~‹T>Vm hþAm H«$‘ h¡:
compounds is :
OH OH OH OH OH OH OH OH
CN OCH3 Cl CN OCH3 Cl
(i) (ii) (iii) (iv) (i) (ii) (iii) (iv)
(A) iii < i < iv < ii (A) iii < i < iv < ii
(B) ii < i < iv < iii (B) ii < i < iv < iii
(C) i < iii < iv < ii (C) i < iii < iv < ii
(D) i < iii < ii < iv (D) i < iii < ii < iv
2-BD ] [ 20 ] [ Contd...
Page 21
088. Which of the following effects of –NO2 group 088. ZrMo {XE JE AUw ‘| {ZåZ ‘| go H$m¡Zgm à^md
operates on –NH2 group in this molecule ? –NO2 g‘yh –NH2 g‘yh na à^mdr hmoJm ?
NH2 NH2
Me Me Me Me
NO2 NO2
(A) Only –I effect
(A) Ho$db –I à^md
(B) Only +M effect
(B) Ho$db +M à^md
(C) Only –M effect
(C) Ho$db –M à^md
(D) Both –I and –M effect
(D) XmoZm| –I Am¡a –M à^md
089. Which of the following material is known as lunar 089. {ZåZ ‘| go H$m¡Zgm nXmW© byZa H$mpñQ>H$ Ho$ Zm‘ go OmZm
caustic ? OmVm h¡ ?
(A) NaNO3 (B) AgCl (A) NaNO3 (B) AgCl
(C) AgNO3 (D) NaOH (C) AgNO3 (D) NaOH
090. Provide an acceptable name for the alkane shown 090. ZrMo Xr J`r EëHo$Z H$m ñdrH$m`© Zm‘ ~VmB`o:
below :
H CH 2 CH 2 CH (CH3) 2 H CH 2 CH 2 CH (CH3) 2
CH3 CH 2 CH 2 CH 2 - C C - CH 2 CH 2 CH3 CH3 CH 2 CH 2 CH 2 - C C - CH 2 CH 2 CH3
CH 2 CH3 H CH 2 CH3 H
(A) 6–ethyl–2–methyl–5–propyldecane (A) 6–E{Wb–2–‘o{Wb–5–àmo{nbSo>Ho$Z
(B) 5–ethyl–6–methyl–2–propyldecane (B) 5–E{Wb–6–‘o{Wb–2–àmo{nbSo>Ho$Z
(C) 2–ethyl–6–methyl–2–propyldecane (C) 2–E{Wb–6–‘o{Wb–2–àmo{nbSo>Ho$Z
(D) 2–ethyl–6–methyl–5–propyldecane (D) 2–E{Wb–6–‘o{Wb–5–àmo{nbSo>Ho$Z
HO -
HO - HO - ½byH$moO HO
-
091. D – Mannose D – glucose (A) 091. D – ‘oZmoO D– (A)
Product (A) of above reaction is: Cnamoº$ A{^{H«$`m H$m CËnmX (A) h¡:
(A) D–glucose (B) D–fructose (A) D – ½byH$moO (B) D – ’«$ŠQ>moO
(C) D–Talose (D) D–Idose (C) D – Q>obmoO (D) D – Am`moS>moO
092. What is the product in the following reaction ? 092. {ZåZ A{^{H«$`m H$m CËnmX hmoJm ?
OH OH
(NH4) 2 Cr2 O7 (NH4) 2 Cr2 O7
H2SO4 H2SO4
(A) Benzoic Acid (A) ~oݵOmoBH$ Aåb
(B) Benzoquionone (B) ~oÝOmo{¹$Zm|Z
(C) Cyclohexane-1-one (C) gm`ŠbmohoŠgoZ-1-AmoZ
(D) Benzoic sulphate (D) ~oݵOmoBH$ gë’o$Q>
2-BD ] [ 21 ] [ P.T.O.
Page 22
093. How many bonds are there in : 093. {XE JE AUw ‘| Hw$b {H$VZo ~§Y h¢ ?
(A) 14σ, 8p (B) 18σ, 8p (A) 14σ, 8p (B) 18σ, 8p
(C) 19σ, 4p (D) 14σ, 2p (C) 19σ, 4p (D) 14σ, 2p
094. Which of the following molecules is optically 094. {ZåZ ‘| go H$m¡Zgo AUw àH$m{eH$ g{H«$` h¡ ?
active ?
(A) (i) and (ii) (B) (i) and (iii) (A) (i) Am¡a (ii) (B) (i) Am¡a (iii)
(C) (ii) and (iii) (D) (i), (ii) and (iii) (C) (ii) Am¡a (iii) (D) (i), (ii) Am¡a (iii)
095. Which of the following statement is correct ? 095. {ZåZ ‘| go H$m¡Zgm H$WZ gË` h§¡ ?
(A) BCl3 and AlCl3 are both Lewis acids and BCl3 (A) BCl3 Am¡a A lCl3 XmoZm| bwB©g Aåb h¢ Ed§ BCl3,
is stronger than AlCl3 AlCl3 go e{º$embr h§¡
(B) BCl3 and AlCl3 are both Lewis acids and (B) BCl3 Am¡a AlCl3 XmoZm| bwB©g Aåb h¢ Ed§ AlCl3,
AlCl3 is stronger than BCl3 BCl3 go e{º$embr h¢
(C) BCl3 and AlCl3 are both equally strong Lewis (C) BCl3 Am¡a AlCl3 XmoZm| g‘mZ e{º$embr bwB©g
acid Aåb h¢
(D) Both BCl3 and AlCl3 are not Lewis acids (D) BCl3 Am¡a A lCl3 XmoZm| hr bwB©g Aåb Zht h¢
096. Consider the following compounds. 096. ZrMo {XE JE `m¡{JH$m| ‘| go {H$Z `m¡{JH$m| H$mo àmá H$aZo Ho$ {bE
’«$sS>b H«$mâQ> E{g{bH$aU H$m Cn`moJ {H$`m Om gH$Vm h¡:
(I) (II)
(I) (II)
(III) (IV)
Friedel–Crafts acylation can be used to obtain: (III) (IV)
(A) I, III, IV (A) I, III, IV
(B) II, III, IV (B) II, III, IV
(C) I, II, IV (C) I, II, IV
(D) I, II, III (D) I, II, III
2-BD ] [ 22 ] [ Contd...
Page 23
097. Provide the systematic name of the compound 097. ZrMo àX{e©V `m¡{JH$ H$m ì`dpñWV Zm‘ Xr{O`o:
shown:
(A) 4 – butyl – 1 – ethyl – 2 – methylcycloheptane (A) 4-ã`w{Q>b - 1- E{Wb - 2 - ‘o{WbgmBŠbmohoßQ>oZ
(B) 4 – butyl – 2 – ethyl – 1 – methylcycloheptane (B) 4- ã`w{Q>b -2- E{Wb -1- ‘o{WbgmBŠbmohoßQ>oZ
(C) 1 – butyl – 4 – ethyl – 3 – methylcycloheptane (C) 1- ã`w{Q>b -4-E{Wb - 3 -‘o{WbgmBŠbmohoßQ>oZ
(D) 2 – butyl – 4 – ethyl – 1 – methylcycloheptane (D) 2- ã`w{Q>b -4-E{Wb -1-‘o{WbgmBŠbmohoßQ>oZ
098. Give the IUPAC name for the following structure: 098. {ZåZ ga§MZm H$m IUPAC Zm‘ Xr{O`o::
(A) 3 – chloro – 2 – methylcyclohexanol (A) 3 - Šbmoamo - 2 - ‘o{WbgmBŠbmohoŠgmZmob
(B) 2 – methyl – 5 – chlorocyclohexanol (B) 2 - ‘o{Wb - 5 - ŠbmoamogmBŠbmohoŠgmZmob
(C) 1 – chloro – 4 – methylcyclohexanol (C) 1 - Šbmoamo - 4 - ‘o{WbgmBŠbmohoŠgmZmob
(D) 5 – chloro – 2 – methylcyclohexanol (D) 5 - Šbmoamo - 2 - ‘o{WbgmBŠbmohoŠgmZmob
099. In aldol addition reaction product is always: 099. EëS>mob `moJmË‘H$ A{^{H«$`m ‘| CËnmX h‘oem hmoJm :
(A) b – hydroxyaldehyde (A) b – hmB©S´moŠgrEëS>rhmB©S>
(B) b – hydroxyketone (B) b – hmB©S´moŠgrH$sQ>moZ
(C) a, b – unsaturated aldehyde (C) a, b – Ag§V¥á EëS>rhmB©S>
(D) a, b – Ag§V¥á H$sQ>moZ
(D) a, b – unsaturated ketone
100. Which one of the following compounds will have 100. {ZåZ ‘| go H$m¡Zgo `m¡{JH$ Ho$ {bE {XY«wd AmKyU© H$m ‘mZ
the highest dipole moment ? A{YH$V‘ hmoJm ?
(A) (A)
(B) (B)
(C) (C)
(D) (D)
2-BD ] [ 23 ] [ P.T.O.
Page 24
Biology / Ordemó
101. An earthworm has : 101. EH$ H|$MwE ‘| hmoVo h¢ :
(A) one pair of eyes (A) ZoÌm| H$s EH$ Omo‹S>r
(B) two pair of eyes (B) ZoÌm| H$s Xmo Omo‹S>r
(C) four pair of eyes (C) ZoÌm| H$s Mma Omo‹S>r
(D) no eyes (D) ZoÌ Zht hmoVo h¡
102. Which insect is useful for us? 102. H$m¡Zgm H$sQ> h‘mao {bE Cn`moJr h¡?
(A) Periplaneta (A) no[aßboZoQ>m
(B) Musca (B) ‘ñH$m
(C) Bombyx (C) ~mpå~Šg
(D) Mosquitoes (D) ‘ÀN>a
103. The sequence of cell cycle is : 103. H$mo{eH$m MH«$ H$m H«$‘ h¡ :
(A) S, M, G1 and G2 (A) S, M, G1 Am¡a G2
(B) G1, G2, S and M (B) G1, G2, S Am¡a M
(C) G1, S, G2 and M (C) G1, S, G2 Am¡a M
(D) M, G1, G2 and S (D) M, G1, G2 Am¡a S
104. “Green glands” found in some of Arthropodes 104. Hw$N> AmW«monmoS>m OÝVwAm| ‘| nmB© OmZo dmbr ""J«rZ
are helpful in : ½b|S²g'' ‘XX H$aVr h¡ :
(A) Respiration (A) œgZ ‘|
(B) Digestion (B) nmMZ ‘|
(C) Excretion (C) CËgO©Z ‘|
(D) Reproduction (D) àOZZ ‘|
105. One of the ex-situ conservation method for 105. g§H$Q>J«ñVOm{V`m| Ho$ na-ñWmZo g§ajU H$s EH$
endangered species is : {d{Y h¡ :
(A) Wildlife sanctuarie (A) dÝ`Ord Aä`maÊ`
(B) Biosphere Reserve (B) O¡d‘§S>b [aOd©
(C) National park (C) amï´>r` nmH©$
(D) Cryopresevation (D) {ZåZ Vmn n[aajU
2 - BD ] [ 24 ] [ P.T.O.
Page 25
106. What is Epiblema? 106. E{nãbo‘m Š`m h¡?
(A) Epidermis of root (A) ‘yb H$s A{YM‘©
(B) Epidermis of leaf (B) nÎmr H$s A{YM‘©
(C) Epidermis of stem (C) ñVå^ H$s A{YM‘©
(D) Epidermis of flower (D) nwîn H$s A{YM‘©
107. Widal test is carried out to test :
107. {dS>mb Q>oñQ> Ûmam nhMmZ H$s OmVr h¡ :
(A) AIDS
(A) AIDS H$s
(B) Typhoid fever
(B) Q>m`’$mBS> Áda H$s
(C) Malaria
(C) ‘bo[a`m H$s
(D) Diabetes
(D) ‘Yw‘oh H$s
108. Which one feature is common to leech, 108. H$m¡Zgm EH$ bjU Om|H$, H$m°H$amoM VWm {~ÀNy> ‘|
cockroach and scorpion ? g‘mZ h¡?
(A) Nephridia (A) d¥³H$H$
(B) Ventral Nerve cord (B) AYa V§{ÌH$m a‚mw
(C) Cephaliztion (C) {eamo^dZ
(D) Antennal (D) l§{JH$mE
109. Which of the following group of plants exhibit 109. {ZåZ ‘| go H$m¡Zgo nmXn g‘yh ‘| Om{V {d{dYVm
more species diversity? A{YH$ nmB© OmVr h¡?
(A) Angiosperms (A) AmdV©~rOr
(B) Algae (B) e¡dmb
(C) Bryophyta (C) ~«m`mo’$mBQ>m
(D) Fungi (D) H$dH$
110. Spore bearing leaf is called 110. ~rOmUw YmaU H$aZo dmbr nÎmr H$hbmVr h¡ :
(A) Sorus (A) gmoag
(B) Indusium (B) BÝSy>{e`‘
(C) Ramentum (C) ao‘oÝQ>‘
(D) Sporophyll (D) ñnmoamo{’$b
2 - BD ] [ 25 ] [ Contd...
Page 26
111. Who proposed the natural system of plant 111. nmXn dJuH$aU H$s àmH¥${VH$ nÕ{V {H$gZo àñVm{dV
classification? H$s Wr?
(A) Carolois Linnaeus (A) H¡$amobg {b{Z`g
(B) John Hutchinson (B) Om°hZ h{MgZ
(C) Bentham and Hooker (C) ~oÝW‘ Ed§ hÿH$a
(D) Oswald Tippo (D) Am°ñdmbS> {Q>ßnmo
112. Coacervates are : 112. H$moEg©doQ²g hmoVo h¢ :
(A) Lipoproteins
(A) {bnmoàmoQ>rÝg
(B) Mixture of Ammonia, carbohydrates and
(B) A‘mo{Z`m, H$m~m}hmBS´oQ> Ed§ Ob H$m {‘lU
water
(C) Colloidal suspensions (C) H$mobmoBS>b {Zbå~Z
(D) Fatty acids and nitrogenous compound (D) dgm Aåb Ed§ ZmB©Q´moOrZr `m¡{JH$
113. Medulla oblongata is responsible for : 113. ‘oS>`wbm Am°ãbmJmÝQ>m CÎmaXm`r h¡ :
(A) Thermaregulation (A) Vmn {Z`§ÌU Ho$ {bE
(B) vision (B) Ñ{ï> Ho$ {bE
(C) memory (C) ñ‘¥{V Ho$ {bE
(D) balance (D) g§VwbZ Ho$ {bE
114. The cockroach of genus Blatta is also 114. ãbmQ>m d§e Ho$ H$m°H$amoO ({VbMÅ>o) H$mo `h ^r
called : H$hm OmVm h¡ :
(A) German cockroach (A) O‘©Z H$m°H$amoO
(B) Australian cockroach (B) Am°ñQ´o{b`Z H$m°H$amoO
(C) Oriental cockroach (C) Amo[a`§Q>b H$m°H$amoO
(D) American cockroach (D) A‘o[aH$Z H$m°H$amoO
115. Groups of five kingdom scheme are : 115. n§M OJV n[aH$ënZm ‘| gpå‘{bV g‘yh h¡ :
(A) Virus, Bacteria, Fungi, Plantae and Animalia (A) {dfmUw, OrdmUw, H$dH$, nbmÝQ>r Ed§ E{Z‘o{b`m
(B) Monera, Protista, Fungi, Plantae and
(B) ‘moZao m, àmo{Q>ñQ>m, H$dH$, nbmÝQ>r Ed§ E{Z‘o{b`m
Animalia
(C) OrdmUw, H$dH$, nmXn Ed§ OÝVw
(C) Bacteria, Fungi, Plant and Animal
(D) Fungi, Protista, Plant and Animal (D) H$dH$, àmo{Q>ñQ>m, nmXn Ed§ OÝVw
2 - BD ] [ 26 ] [ P.T.O.
Page 27
116. Hygroscopic roots are found in : 116. AmЩVmJ«mhr O‹S>| nmB© OmVr h¢ :
(A) Trapa (B) Hydrilla (A) Q´mnm ‘| (B) hmB{S´bm ‘|
(C) Orchid (D) Typha (C) Am°{H©$S> ‘| (D) Q>mB’$m ‘|
117. Fruit of Mango is a : 117. Am‘ H$m ’$b h¡ :
(A) Pepo (B) Pome (A) nrnmo (B) nmo‘
(C) Berry (D) Drupe (C) ~oar (D) S¯>n
118. Passage cells are found in tissue : 118. ‘mJ© H$mo{eH$mE± Bg D$ÎmH$ ‘| nmB© OmVr h¢ :
(A) Epidermis (A) A{YM‘©
(B) Xylem (B) OmBb‘
(C) Endodermis (C) AÝVü‘©
(D) Pericycle (D) n[aaå^
119. Adenosine is a : 119. E{S>Zmo{gZ h¡ EH$ :
(A) Nitrogenous base (A) ZmBQ´moOrZr jma
(B) Nucleoside (B) Ý`ypŠb`mogmBS>
(C) Nucleotide (C) Ý`ypŠb`moQ>mBS>
(D) Nucleic acid (D) Ý`ypŠbH$ Aåb
120. In blue green algae, photo synthesis takes 120. Zrb h[aV e¡dmb ‘| àH$me g§ûcofU H$s {H«$`m
place in : Bg‘| hmoVr h¡ :
(A) Chloroplast (B) Lamellae (A) ŠbmoamoßbmñQ (B) b¡{‘br
(C) Heterocyst (D) Carotene (C) hoQ>oamo{gñQ (D) H¡$amoQ>rZ
121. What is plasmid? 121. ßbmpÁ‘S> Š`m hmoVm h¡?
(A) Bacteria (A) OrdmUw
(B) Virus (B) {dfmUw
(C) Chromosomal DNA segment (C) JwUgyÌr` DNA I§S>
(D) Extra chromosomal DNA segment (D) A{V[aº$ JwUgyÌr` DNA I§S>
2 - BD ] [ 27 ] [ Contd...
Page 28
122. In Bryophyta, a specialized organ of the 122. ~«m`mo’$mBQ>m ‘| ~rOmUwX²{^X H$m EH$ {deof
sporophyte for attachment to the gametophyte A§J Omo Bgo `w½‘H$moX²{^X go Omo‹S>Vm h¡ H$hbmVm
is called : h¢ :
(A) Stalk (B) Foot (A) ñQ>m°H$ (B) ’w$Q>
(C) Seeta (D) Rhizoids (C) grQ>m (D) amB©OmoBS²g
123. Inverted omega shaped vascular bundles are 123. CbQ>o Amo‘oJm AmH$ma Ho$ g§dhZr ~ÊS>b nmE OmVo
found in : h¡ :
(A) Cycas corolloid root (A) gmBH$g àmdbm^ ‘yb
(B) Cycas stem (B) gmBH$g VZm
(C) Cycas rachis (C) gmBH$g ao{H$g
(D) Cycas leaflet (D) gmBH$g nU©H$
124. Apogamy results in formation of : 124. An`w½‘Z Ho$ n[aUm‘ñdê$n ~ZVm h¡ :
(A) Diploid Sparophyte (A) {ÛJw{UV ~rOmUwX²{^X
(B) Diploid Gametophyte (B) {ÛJw{UV `w½‘H$moX²{^X
(C) Haploid Sparophyte (C) AJw{UV ~rOmUwX²{^X
(D) Haploid Gametophyte (D) AJw{UV `w½‘H$moX²{^X
125. Cuscuta is a : 125. H$ñHw$Q>m h¡ EH$ :
(A) Total stem parasite (A) nyU© ñVå^ naOrdr
(B) Partial stem parasite (B) Am§{eH$ ñVå^ naOrdr
(C) Total root Parasite (C) nyU© ‘yb naOrdr
(D) Partial root Parasite (D) Am§{eH$ ‘yb naOrdr
126. Hydathodes are meant for : 126. Oba§Y«m| H$m H$m`© h¡ :
(A) Respiration (A) œgZ
(B) Guttation (B) {~ÝXwómd
(C) Transpiration (C) dmînmoËgO©Z
(D) Photo respiration (D) àH$mer` œgZ
2 - BD ] [ 28 ] [ P.T.O.
Page 29
127. A molecule of ATP is structurally similar to a 127. EH$ ATP AUw g§aMZmË‘H$ ê$n go BgHo$ g‘mZ
molecule of : hmoVm h¡ :
(A) RNA molecule (A) RNA AUw
(B) DNA molecule (B) DNA AUw
(C) Amino acid (C) E{‘Zmo Aåb
(D) Fatty acid (D) dgm Aåb
128. Which colour of light is most effective for 128. àH$me H$m H$m¡Zgm a§J àH$me g§ûcofU Ho$ {bE
photo synthesis? gdm©{YH$ à^mdr h¡?
(A) Blue (A) Zrbm
(B) Green (B) ham
(C) Red (C) bmb
(D) Violet (D) ~¢JZr
129. Imbibtion is a : 129. AÝV…MyfU h¡ EH$ :
(A) Chemical Process (A) amgm`{ZH$ à{H«$`m
(B) Biological Process (B) O¡{dH$ à{H«$`m
(C) Physical Process (C) ^m¡{VH$ à{H«$`m
(D) Biochemical Process (D) O¡damgm`{ZH$ à{H«$`m
130. Which of the plant harmone is extracted 130. H$m¡Zgm nmXn hm‘m}Z H$dH$ go {ZîH${f©V {H$`m J`m
from fungus? h¡?
(A) Auxin (A) Am°ŠgrZ
(B) Gibberellin (B) {O~«o{bZ
(C) Cytokinin (C) gmBQ>moH$mB{ZZ
(D) 2, 4-D (D) 2, 4-D
131. What is emasculation? 131. nwÝgËdhaU Š`m h¡?
(A) Removal of petals (A) ~møXbm| H$mo hQ>mZm
(B) Removal of sepals (B) Xbm| H$mo hQ>mZm
(C) Removal of anthers (C) namJH$moem| H$mo hQ>mZm
(D) Removal of ovary (D) A§S>me` H$mo hQ>mZm
2 - BD ] [ 29 ] [ Contd...
Page 30
132. Epinasty movement is found in : 132. AYmoHw§$MZ J{V nmB© OmVr h¡ :
(A) Leaf sensitivity in Mimosa pudica (A) Nw>B© ‘wB© ‘| nU© Hw§$MZ
(B) Drooping of bud (B) H${bH$m H$m ZrMo bQ>H$Zm
(C) Opening of flower (C) nwîn H$m pIbZm
(D) Young leaves of Fern (D) ’$Z© H$s VéU n{Îm`m±
133. Genes do not pairs in : 133. OrZ `w½‘ ‘| Zht hmoVo h¢ :
(A) Somatic cells (A) H$m{`H$ H$mo{eH$m ‘|
(B) Gamete (B) `w½‘H$ ‘|
(C) Fertilized egg (C) {Zfo{MV A§S> ‘|
(D) Zygote (D) `w½‘ZO ‘|
134. Ultimate source of genetic variability are : 134. AmZwdm§{eH$ {d{^ÞVm H$m na‘ ómoV h¡ :
(A) Mutation (A) CËn[adV©Z
(B) Genetic drift (B) AmZwdm§{eH$ Andmh
(C) Gene flow (C) OrZ àdmh
(D) Transformation and translation (D) ê$nmÝVaU Ed§ AZwdmXrH$aU
135. Which technique is used for the test tube 135. naIZbr {eew H$m`©H«$‘ Ho$ {bE H$m¡Zgr VH$ZrH$
baby program? BñVo‘mb H$s OmVr h¡?
(A) Gameti intra fallopian transfer (A) `w½‘H$ AÝV… ’¡$bmonr ñWmZmÝVaU
(B) Zygoti intra fallopian transfer (B) `w½‘ZO AÝV… ’¡$bmonr ñWmZmÝVaU
(C) Intra cytoplasmic sperm injection (C) AÝV… H$mo{eH$m Ðì``r ewH«$mUw B§OoŠeZ
(D) Intra uterine insemination (D) AÝV… J^m©e`r dr`©goMZ
136. Main function of tapetum is : 136. Q>onrQ>‘ H$m ‘w»` H$m`© h¡ :
(A) Protection (A) gwajm
(B) Nutrition (B) nmofU
(C) Pollination (C) namJU
(D) Fertilization (D) {ZfoMZ
2 - BD ] [ 30 ] [ P.T.O.
Page 31
137. Dinosaurs disappeared during : 137. S>m`Zmgmoa Bg Xm¡amZ bwá hþE :
(A) Cretaceous (A) {H«$Q>o{e`g
(B) Permian (B) na{‘`Z
(C) Jurassic (C) Owam{gH$
(D) Triassic (D) Q´mBE{gH$
138. Maximum absorption of water occurs in : 138. Ob H$m A{YH$V‘ AdemofU hmoVm h¡ :
(A) Colon (A) H$mobZ ‘|
(B) Rectum (B) ‘bme` ‘|
(C) Stomach (C) Am‘me` ‘|
(D) Small Intestine (D) N>moQ>r Am§V ‘|
139. Juvenile harmone is secreted by : 139. {H$emoa hm‘m}Z H$m ódU BgHo$ Ûmam hmoVm h¡ :
(A) Thyroid gland (A) Wm`amoBS> J«§{W
(B) Thymus gland (B) Wm`‘g J«§{W
(C) Adrenal gland (C) E{S´Zb J«§{W
(D) Carpora allata (D) H$manmoam EbmQ>m
140. Which organ is concerned with the formation 140. Iaho ‘| H$m¡Zgm A§J `y[a`m {Z‘m©U go gå~§{YV
of urea in rabbit ? h¡?
(A) Blood (A) aº$
(B) Kidney (B) d¥³H$
(C) Spleen (C) ßbrhm
(D) Liver (D) `H¥$V
141. In mammals which organ acts as blood 141. ñVZYm[a`m| ‘| H$m¡Zgm A§J ãbS> ~¢H$ H$s Vah
bank ? H$m`© H$aVm h¡?
(A) Heart (A) öX`
(B) Lung (B) ’o$’$‹S>o
(C) Liver (C) brda
(D) Spleen (D) ßbrhm
2 - BD ] [ 31 ] [ Contd...
Page 32
142. What is chemical composition of fertilizin? 142. ’$Q>ubmBOrZ H$m amgm`{ZH$ g§KQ>Z Š`m h¡?
(A) Lipoprotein (A) {bnmoàmoQ>rZ
(B) Glycoprotein (B) ½bmBH$moàmoQ>rZ
(C) Mucoprotein (C) å`wH$moàmoQ>rZ
(D) Chromoprotein (D) H«$mo‘moàmoQ>rZ
143. Rh factor is present in : 143. Rh factor CnpñWV hmoVm h¡ :
(A) All vertebrates (A) g^r H$eoé{H$`m| ‘|
(B) All mammals (B) g^r ñVZYm[a`m| ‘|
(C) All reptiles (C) g^r garg¥nm| ‘|
(D) Man and Rhesus monkey only. (D) {g’©$ ‘Zwî` Ed§ argg ~ÝXa ‘|
144. Which of the following characteristic was not 144. ‘Q>a Ho$ nm¡Ym| na {H$E JE à`moJm| ‘| ‘|S>b
used by Mendel in his experiment on Pea Zo {ZåZ ‘| go {H$g bjU H$m Cn`moJ Zht
plant? {H$`m?
(A) Flower colour (A) ’y$b H$m a§J
(B) Seed coat colour (B) ~rOmdaU H$m a§J
(C) Pod colour (C) ’$br H$m a§J
(D) Fruit shape (D) ’$b H$s AmH¥${V
145. Ascaris protects itself against digestive enzymes 145. EñHo$[ag ñd`§ H$mo nanmofr Ho$ nmMH$ E§OmB‘mo go
of the host by: BgHo$ Ûmam ~MmVm h¡ :
(A) Mucus (A) ûcoî‘m
(B) Antienzyme (B) EÝQ>rE§OmB‘
(C) Antienzyme and cuticle (C) EÝQ>rE§OmB‘ Ed§ Š`y{Q>H$b
(D) Cuticle (D) Š`y{Q>H$b
146. HIV that causes AIDS first starts destroying : 146. AIDS CËnÞ H$aZo dmbm HIV g~go nhbo Zï>
(A) Leucocytes H$aVm h¡ :
(B) Helper T lymphocytes (A) ë`yH$mogmBQ>mo H$mo
(C) Thrombocytes (B) hoëna T-{bå’$mogmBQ>mo
(C) W«moå~mogmBQ>mo
(D) b - Lymphocytes
(D) b - {bå’$mogmBQ>mo
2 - BD ] [ 32 ] [ P.T.O.
Page 33
147. Which one of the following is absent in 147. ñnÝOmo ‘| {ZåZ{bpIV ‘| go AZwnpñWV hmoVo h¢?
sponges?
(A) V§{ÌH$m H$mo{eH$m
(A) Nerve cell
(B) g§doXr H$mo{eH$m
(B) Sensory cell
(C) J«§{W H$mo{eH$m
(C) Gland cell
(D) All of the options (D) {XE JE g^r {dH$ën
148. The signals for parturition originate from : 148. àgd {H«$`m hoVw g§Ho$Vm| H$m AmZm Amaå^ hmoVm h¡ :
(A) Fully developed foetus only (A) Ho$db nyU© {dH${gV J^© go
(B) Placenta only (B) Ho$db Anam go
(C) Placenta and fully developed foetus (C) Anam VWm nyU© {dH${gV J^© go
(D) Oxytocin harmone (D) Am°ŠgrQ>mo{gZ hm‘m}Z
149. Kala-azar is caused by : 149. H$mbm AOa H$m H$maH$ h¡ :
(A) Trypanosma cruzi (A) {Q´nZmogmo‘m H«y$Or
(B) Leishmania donovani (B) boe‘m{Z`m S>moZmodoZr
(C) Trypanosoma brucei (C) {Q´nZmogmo‘m ~«ygr
(D) Trypanosoma garnbeinse (D) {Q´nZmogmo‘m Joa~|gr
150. Hydra can not digest : 150. hmBS´m Zht nMm gH$Vm h¡ :
(A) Proteins (A) àmoQ>rÝg
(B) Fats (B) dgmE±
(C) Starch (C) ñQ>mM©
(D) Sugars (D) eH©$am
2 - BD ] [ 33 ] [ Contd...
Page 34
SPACE FOR ROUGH WORK / H$ÀMo H$m‘ Ho$ {b¶o OJh
2 - BD ] [ 34 ]
Page 35
SPACE FOR ROUGH WORK / H$ÀMo H$m‘ Ho$ {b¶o OJh
2 - BD ] [ 35 ]
Page 36
SPACE FOR ROUGH WORK / H$ÀMo H$m‘ Ho$ {b¶o OJh
2 - BD ] [ 36 ]