Set No. I Question Booklet No. 00887

12UI11S/23 (To be filled lip by tile cllIulidafe by blIJe!black ball·point pen)

Roll No. LI_--'-_--'-_--'-_--'-_-'-_-'-_-'-_...J Roll No. (Write the digits in words) ...•............ , ............................................................................... .

Serial No. of Ans,ver Sheet ............................................. .

Da)' and Date ............................ : ...................................... . (Signature of Invigilator)

INSTRUCTIONS TO CANDIDATES (Use only bille/black ball-poinl pell in the space above and on both sides oflne Answer Sheer) I. Within 10 minutes of the issue oflhe Question Booklet, check the Question Booklet to ensure that it

contains all the pages in correct sequence «od that no page/question is missing. In case of faulty Question Booklet brillg it to the noti~e oftlie SuperintendelltllnvigiJators immediately to obtain a fresh Question Booklet.

2. Do not bring any loose paper, written or blank, inside the Examination Hal! except tlte Admit Card lVil/101I1 iJs Envelope.

3. A separule Answer Sheet is gil'ell. Ilshollld nol be /o/tlet! or mutilated. A second An.\'Wer Sheet sltalll/ot he provide{l Only (he Amwer Sheet will be eVillunlet!.

4. Write your Roll Number and Serial Number of the Answer Sheet by pen in the space pryided above. 5. On Jlle from page of the Answer Sheet, write by pen YOllr Roll Number ill t"e !Jpace providetl tit

tile lop alUl by (InrkelJillg tile L'ire/e,\' attlte bottom. Also, wherever applicable, write tlte Questioll Booklet Number antllIJe Set Numher ;n appropriate places.

6. No overwriting is allowed hI tlte ellldes of Roll No., QIIl!stion Booklet no. alUl Set 110, (if atly) 011 OMR sheet and Rolf No. allllOMR sheet flO. (J(1 tile QIIl!StOf1 Booklet.

7. A"y change'in the aforesaid elltries is to he verified by tlte illvigiiofOr, otherwise it will be taken as mtjairmetllu'.

8. Each fluestion ill tllis BooMet is followed by fom ("lerna1il'e (IllSlVers. For each question, ytJU are to record tlte correct optiOI1 011 the AIISwer Sheet by t/(lrkening JI,e approprit,te circle in the correspollding row of lite Allswer Slleel, by pen as mentioned in the guidelines given 011 tile fir~'t page of tlte AIlSIVt'T Slieel.

9. For each question, darken only one circle on the Answer Sheet. If you darken more than one circle or darken a circle partially. the answer will be treated as incorrect.

10. NOlI! Ihat Ihe answer once filled in ink cal/not be changed. If you do not wisll (0 aftempl a questiun. JeGw! all the circles in 'he corresponding row blank (~uch question wi/l he awarded :era marks).

1I. For rough work, usc the inner back page of the title cover and the blank page at the end of this Booklet.

12, Deposit only OMRAIl,nver Slteet at the end of the Test. 13. YOl! are not permitted to leave the Examination Hal! until the end of the Test. 14. If a candidate attempts to use allY form of unfair means. he/she slmll be liable to such punishment as

tile University lI1ay determine and impose on him/her.

Total No. of Printed Pages: 64

1 Time : 2 2" Hours

12U/115/23 No. of Questions: 150

"!w-ifqfr~: 150

Full Maries: 450

'iwfj; : 450

Note: (1) Attempt as many questions as you can. Each question carries 3 (Three) marks. One mark will be deducted/or each incorrect answer. Zero mark will be awarded for each unattempted question.

31f>mf>rq; w-fi TCT "',Q'1I1 mil'!; 3lj\lRd Wi'! "" ~1'

12U/115/23

SECTION - I

~-I

PHYSICS (Marks - 150)

01. The dimensions of Plank's constant are equivalent to which of the

following?

(I) Force (2) Energy

(3) Linear momentum (4) Angular momentum

~ R ~Idi," qij fcn:rrit ffI

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~ a:rfu; 30;ft 0 ~ m 20;ft 0 ~

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06. Three particles of masses 4 kg, 6 kg and 8 kg are located respectively

at positions (0, 0), (5, 4) and (x, y) meters. Find the values of x and y

(in meters) such that the positions of the center of mass of this sys-

tem is located at point (2, 2) meters:

-.m:: 41%m, 61%m (['IT 81%m ~01l~H ~ qouj~: (0,0), (5, 4) (['IT (x, y) lll

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'l:0

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12. The displacement equation of a particle is x ==(6 cos wi + 8 Sin wt) m.

This equation represent a simple harmonic oscillation the amplitude

of which in meter is :

1l:'P 't>1JT I ~ x =(6 cos wt + 8 Sin wt) mo %1 "" B

tential energy stored in the wire per unit volume is ;

'1TiJ it 1l:'P tm: qft ~ L f"lB1

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15. A big drop is split up into 8 small drops. The excess pressure inside small drop in comparison to that of big drop will be :

(1) 4 times (2) I .

4" times (3) I .

2" tImes (4) 2 times

l('O ~ * it 8 mit ~ f ~ Wrr : (1) 8: 27 (2) 4: 9 (3) 2: 3 (4) 9: 4

17. Recently superconductivity has been observed at 95 K. This tempera-

ture is approximately equivalent to :

",,j) jffi1 if m 31Fd'ilIR:'IT f il8:l"T 95 K'l\ f

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18. If the distance between the atoms of a diatomic gas is supposed to be constant then its molar specific heat is (R is gas constant) :

1% IlmIQI'1'" .m ~ q(QI"JaU ~ o:fttr 'iii 'til f.r

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21. Heat is flowing through two cylindrical rods of the same materiaL The

diameters of the rods are in the ratio 1 : 2 and their lengths are in

the ratio 2 : 1. If the temperature difference their ends is the same

then ratio of the amounts of heat conducted through them per unit

time will be :

~ m 1Ji 'lit

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24. Find the magnification at least distance of distinct vision for a micro-

scope having a convex lens of focal length 5 em :

'4 W

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27. Yellow light is used in a single slit diffractive experiment with slit width of 0.6 mm. If yellow light is replaced by X-rays then the ob-served pattern will reveal :

(1) that the central maxima is narrower

(2) more number of fringes

(3) less number of fringes

(4) no diffraction pattern

~ fu?R: fqQrl'1 wirT if, f;rgit fu?R: 'lit ~ 0.6 fl:Ifl:! t

28. Two narrow cylindrical pipes A and B are of equal length. Pipe A is open at both ends and pipe B is closed at one end and open at other end. Pipes A and B are filled with different gases at same tempera-ture. The frequency of second harmonic of pipe A is equal to the freq. of third harmonic of pipe B. :r we now close the open end of pipe B also then find the ratio of the fundamental frequencies of the two pipes:

;'t ~ ~ (1 '1 1 'Ii R 'lWi'i A 0'IT B 'lit

13 P.T.O.

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29. A light wave is incident on a plate at an angle of incidence of 60°. If reflected and refracted rays be at right angles to each other then the refractive index of the substance of the plate is :

~ ~ 'R wmT m 60' it

31. A charge q I is placed at the center of the line joining two equal charges

q. The system of three charges will be in equilibrium if q 1 is equal to :

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32. A hallow metallic sphere of radius 5 cm is charged such that the

potential on its surface becomes 10 volts. The potential at a distance

of 2 cm from the center of the sphere will be :

33.

'

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35. When a wire of resistance R and radius r is stretched such that its

r radius becomes '2 then its resistance will become:

R >ifuU>T f"1+1'1>1 r f,r;>n t om'I ~ it * m-m : (1) 4% (2) 2% (3) 0.4% (4) 0.2%

37. A proton moving with a constant velocity passes through a region of space without any change in the velocity. If E and B represent the electric and magnetic field respectively then indicate the false state-ment about the field in this region of space:

"Q!l> "liRA R om it 7Jm! -t ? ( I) - -E=O,B=O (2) - -E=O,B#O (3) (4 )

16

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38. The work done in rotating a magnet of magnetic moment M by 1800 kept in magnetic meridian in a uniform magnetic field of induction

B will be :

06{1'l11 "jl

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41. A hot body will radiate heat most rapidly if its surface is : (I) white and polished (2) white and rough

(3) black and rough (4) black and polished

1l;'O 1 o;;;IT 13.6 eV i: (1) 13.6 (2) 54.4 (3) 81.6 (4) 40.8

18

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44. An X-ray tube is operated at 50 kV. The minimum wavelength of X-

Rays produced is :

"'" x-~ '1fct'hl 'lit 50 fI

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48. Ne22 nucleus after absorbing energy decays into 2 a particles and an unknown nucleus. The unknown nucleus is :

(1) Nitrogen (2) Carbon (3) Oxygen (4) Sodium

Ne"~"'" ~ 3i i"Hnfild 'liB i\; 'ITG T'f:1

49. The function of moderator in any nuclear reactor is :

(1) to slow down the motion of neutrons upto thermal energy

(2) to cool down the reactor

(3) to cont.rol the energy emittet by the reactor

(4) to absorb the neutrons and stop the nuclear reaction

llR1\ "!f'R1~{ rtil'RO{ if ~ '!>1 'i>lT '1>1'1 t ? (1) ~ q(\ 'Tfu q(\ q;11 ~

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SECTION - II

~ -II

CHEMISTRY (Marks - 150)

51. The incorrect order for the strength of acid is :

(1) CH,ClCOOH > CH,COOH > CHCI,COOH > CCI,COOH

(2) CH,CICOOH < CHCI,COOH < CCI,COOH

(3) CH,COOH < CH,CICOOH < CHCI,COOH CH,CICOOH > CH,CICOOH

52. Assertion, A: Gammaxene is used as a fertilizer.

Reasoning, R: DDT supplements gammaxene.

(1) A as well as R is correct and R is the correct explanation of A.

(2) A as well as R is correct but R is not the correct explanation of A.

(3) A and R, both are false.

(4) A is true but R is false.

21 P.T.O.

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Reasoning, ("'1(0, )R: DDT"ll ~i1

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54. Which of the following gives urotropine in its reaction with NH3 ?

(1) HCHO (2) CH,CHO

(3) CH,COCH, (4) HCHO and CH,CHO

55. Which of the following show the correct oxidation states of Mn ?

(1) 4 in MnO, (2) 6 in K,Mn04

(3) 7 in KMn04 (4) All the above

~ ~ ~ if it '1ft'! m 31liffil ~ ~ t ? (1) MnO, if 4

(3) KMn04 if 7

(2) K,Mn04 if 6

(4) "3i1!( if> ~

56. Which of the following is incorrect for a-,~-, or y -rays?

(1) a-particle/ray is positively charged

(2) a-particle/ray is negatively charged

(3) ~-particle/ray is negatively charged

(4) y-ray is uncharged

23 P.T.O.

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-;fRt WI ~ i! "B ~ iI oil ~ il> (Ii;$ t (3) "Rf"i qTMl~il>(I$$ t ~ ""(I$$ t

58. Which is incorrect for a catalyst?

(1) It is used in small quantities

(2) It provides an alternative path of lower activation energy

(3) It alters the rate of a reaction

(4) It lowers the energy of activation

24

a6l(i'/i i\; >!fu m "ill l'fffi! % ? (1) "'lj) ~ q;-q = it m mm % (2) "'lj) q;-q a~r"lct ~"i'jij v,q;;ft ~ m

25 P.T.O.

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60. pH value of lO-3M aqueous solutin of KCl is ?

lO-3M KCl ~ -qr-ft if eiI"R "" pH

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uj)"1)'IK: i\; H, ~ ~

(3) d-31lil[{c(1"rf. ~ ~ iffi t

(4) m3WR~t

27 P.T.O.

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64. Which is the incorrect match?

Compound/ c:tiUlUis

(I) C.H,_OH

(2) P,O,

\3) MgO

(4) S03

Behaviour /~

Acidic/ "WfMi

Basic/~

Basic/~

Acidic/ "wfs'"

65. Assertion, A: E = h v is Planck's quantization relation.

Reasoning, R: p = hi )."is de Broglie relation.

(1) A as well as R is correct and R is the correct explanation of A.

(2) A as well as R, both are correct.

(3) A is true but R is false.

(4) A and R, both are false.

Assertion, ("iR )A: ~ q;r 'l'lh'.l""ul Uoi>r, E = h v tl

Reasoning, (",HO, ) R: ~-~ q;r Uoi'l p= h/ l. tl

(I) A am R

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66. Atomic volume decreases from:

q(~I'1 3!flI(R ~ t : (1) F to/ it I

(2) Li to/it K

67. For a 2p- electron, possible values of its three quantum numbers: n,

1, mare:

(1) n = 2; I = 0, 1 & 2; m = 0, ± 1 & ± 2

(2) n=2;I= I;m=-I,O,+I

(3) n = 2; I = 2; m = -2, -1,0, +1, +2

(4) n = 3; I = I; m = 0, ± I, ± 2 & ± 3

~ 2p $

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69. Which of the following is incorrect for the order of a gaseous reac-

tion, A ---t B ?

(1/ It is a first order jf - dIAJ/ dt depends on [AJ

(2) It is a second order if - d[AI! dt depends on [A]'

(3) It is a first or second order if - diAl! dt depends on IBI or IBJ'

respectively

(4) The order depends on - diAl! dt depending on [Aln

3If'lfll; B if 3If'lfll;

-..m it '!it.! "ill l'R'Ilf t ? (1) DNA ~ ~r

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73. Which of the following does not have H-bond ?

-..m it m:n'I ~ I $ ~ "I '"1 "ills"'l\ff t ? (1) HF (2) H,S (3) H20 (4) lce/

Reasoning, R: Completely filled d-orbitals are more stable than that

of incomplete.

(1) A as well as R is correct and R is the correct explanation of A.

(2) A as well as R is correct but R is not the correct explanation of A.

(3) A is true but R is false.

(4) A and R, both are false.

32

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Assertion, rffir )A: Ni (28) q;j ~ ;ffli!{ff1'h f

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77. According to acid-base theories:

(1) An acid is a proton acceptor as per Bronsted-Lowry

(2) A base is a proton donor as per Bronsted-Lowry

(3) An electron-pair acceptor is known as Lewis acid

(4) An electron-pair acceptor is known as a Lewis base

( 1)

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~lR if 3U'jfil;'1T

(3) Octahedral [F'e(CN).J"- has sp'd'

(4) Octahedral [Fe(CN),J"- has d'sp'

m .n (i

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~ -{'r ~ m [Fe(CN),l-' ~ >Jfu ~ t ~: Fe" : 3d'}? (1) ~ q"~I~f,>:&i i (2) ~ glqI4'~f~&i i 13) ~ q,iI~l~rc:'Ii t (4) ~ it'i!\~I~f~'Ii i

81. Which of the following is incorrect?

(1) t.G = t.A for isothermal change in an ideal gas

(2) t.G = nFS

(3) PVY is constant in adiabatic process for an ideal gas

(4) PV is constant in isothermal process for an ideal gas

~ -{'r ~ m l'f

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83. Which of the following is true for the effect of pressure on gaseous

reactions?

Gaseous reactions/;m ¢If'lflrnT Favoured by /W "t ( I) PCI, + CI, -> PCI, low pressure /'lil'T ~ 'R

(2) 2NH, ~ N, + 3H, high pressure j ¢If,,", ~ 'R

(3) N, + 3H, ~ 2NH, low pressure j'lil'T ~ 'R

(4) N, + 0, ~ 2NO independent of pressure varia

tionsj >l'llllffil -;¢t m "t ?

84. Which of the following is incorrect?

(I) R - CH,OH - K,C',O,/H,SO, -. R - COOH

(2)

(3)

~O R- CHOH I R

- K:,Crp.,/H,SO, --7>

R-C I R

R-CHOH I - Cu/573k --)-R

R-C~0+H2

I R

37 P.T.O.

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85. Which of the following is correct for the lateral overlap?

(1) s with s or p. -orbitals gives a -bond

(2) s with P, -orbital. gives a-bond

(3) Py with Py or a P, with s-orbital gives ~-bond

(4) None of the above

~ il ~ '" q;~ il; "'''! 'lr.I'f 31rn"lIQ1 il; ~ ~ t ? (1) 1l:'I' s "if;! ~ s-¢l"!'lt P, q;~ il; "'''! u -~ 'RlOT t (2) "f!.'I> s "if;! P.-q;~ il; "'''! a -~ 'RlOT t (3) "f!.'I> Py "if;! Py 'l1 p, "if;! s-'I>~ il; "'''! ~-"O!iUs 'RlOT t (4) ~ il m .n "ffi

86. Which of the following is true for bond-order ?

(1) Bond order - 1i (Nb - N.) : Nb & N. are number of bonding & antibonding electorns

(2) He, - 1 (3) He' - 1 , (4) He, - 1i ~-~il;~~",~t ?

(1) 'II"S-~ - 1i (Nb - N.) : Nb 3ih: N. ilT'!i,,;' I

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87. The strength of halogen-substituted acids is in the order:

~ c.-ih11 ~ mf'lltft ~ '1ft ~ 'l>I lI>ll ~ WliR t : (1) FCH,COOH > ClCH,COOH > BrCH,COOH > ICH,COOH

(2) CICH,COOH > BrCH,COOH > lCH,COOH > FCH,COOH

(3) BrCH,COOH > ICH,COOH > FCH,COOH > CICH,COOH

(4) lCH,COOH > FCH,COOH > CICH,COOH > BrCH,COOH

88. Which of the following forms of tartaric acid is not optically active?

(1) Dextra-variety

(2) Laeva-variety

(3) Mesa-form

(4) Dextro-and laeva-both forms

~ ~ ll

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~it~mTR'lOt ?

(1) ~

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~ 3lf'lfln

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94. Which of the following is incorrect match for the functional group and its name?

Functional group Name

(I) R-CHO Aldehydic group

0 (2) II Ketonic group

R-C-

0 (3) II

-C-OH Carboxyl group

(4) None of the above

..m ~ '!>t.! m fsl>'mqq; "'W ~ ~ ~ -q moRf if

95. Which of the following is incorrect?

(I) Teflon & Nylon are the synthetic fibres

(2) Nylon is made of polyamides

(3) Co (1lI) is present in vitamin 8 1,

(4) Co (1lI) is present in vitamin D

...m "fl 'fiR m 'fTffif t ? (I) l'MI'1 3itt ~1$ C6 H,NH, > (C6 H,), NH > (C6 H,), N

(2) C6H,NH, > (C6 H,), NH > (C6H,), N > NH,

(3) (C,H,), NH > (C6H,), N > NH, > C6H,NH,

(4) (C6H,), N > NH, > C6 H,NH, > (C6 H,), NH

97. Assertion, A: Presence of Ba2+, Sr·, and Ca2 + must be tested in the same order.

Reasoning, R: Otherwise, testing for 8r2+ first may be mistaken for the precipitates of BaS0

4 or SrS04 Similarly, testing for Ca

2+ first

may be mistaken for the precipitates of oxalates of Ba2+, 8r2+. or Ca2 + •

(1) A and R both are correct and R is the correct explanation of A.

(2) A and R both are correct but R is not the correct explanation of A.

(3) A is incorrect while R is true. (4) A is true but R is false.

43 P.T.O.

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Assertion, fiI'tr )A: Ba", Sr" aik Ca" ~ 4I"lt;'R -.,m WIl -q ~ '!iBl W

44

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99. Which of the following is incorrect?

(l) Depression in freezing point is one of the colligative properties.

(2) Frenkel and Schottky describe the defects in solids

(3) Osmotic pressure is not a colligative property

(4) Elevation in boiling point is one of the colligative properties

"¢I' ii&l Tl.-p:\ t

(2) ~ ail< ~IT

(4) ii"ll'lf

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SECTION - III ~ -III

BIOLOGY (Marks - 150)

IOI.An individual water molecule shows:

(1) Solvency (2) Polarity

(3) hydrogen-bonding capacity (4) All the above

~ ~ "" 3l'!l ~ mf'fil ~lfU ~ (2) '>iF! iI> mf'fil ollfU ~ (3) \

lOO.DNA replicates during:

(1) G1 phase (2) G2 phase (3) M phase

611(-1", fii30I'l m ~ : (1) G1 ~ (2) G2~ (3) M ~

l04.A mycorrhizae is a :

(1) fungus-plant root association

(2) parasitic mold

(3) fungal disease of root

(4) fungus parasitic on fungus

q;

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f

lOS. Bacteria reproduce by :

(1) Meiosis

(3) Longitudinal fission

~ "f'R ~ ;::ro mor i ? (1) 3l~ f

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(1) ~¥!j{~1 ~

(3)

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(1) ~llI"I(OI (4) f+i!clj

IIS.The stage of photosynthesis that actually produces sugar is :

(1) The Calvin cycle

(:5) Photosystem II

(2) Photo system I

\4) The light reaction

~ fi~clqol 'iii % ~ 'i\\ qR (2) qujq;

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118. The seed coat is formed from th~ part of the flower known as :

(1) Integuments (2) Endosperm

(3) Sepal (4) Ovary

oftuI 1$i\i\'l % : (1) ~ qufq; (2) fu:l t- tm'l p:' t-~ ij (3) ~f-1'lfi:td\ >lIiRr qi) f>1>'ll'ffl0 'li«\\ ~ (4) 341m "ll (2) ~tt'll (3) oftuI ~

52

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121.A fruit is most commonly:

(1) A ripened ovary (2) An enlarged ovary

(3) An enlarged aggregate of flowers

(4) a mature female gametophyte

(1) qRqqq "l0ill~l~

(3) ~"11"1 q;j ~

122. The growth of plant depends on :

(1) Cen division

(3) Cell enlargements

w;q q;j ~ R>l< Hlq;{ol ~ i : (2) ;t \jZ9 nW1 3ll

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124.Viruses parasitizing bacteria are known as :

(1 ) Bacteria-Virus (2) Retrovirus

(3) Plasmids (4 ) Bacteriophage

~.j);;ft ~ "IRT "fI(ll t ( 1) ~-mTuJ~~-q (2)

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(1) ~ (2) ~ (4) it~U~1

128. Which one of the following organs stores glycogen?

(1) Heart (2) Pancreas (3) Liver (4) Spleen

f.r"i ti "it mft 1l:'O aj"q ti 'i'im i!

130.Parasitic roundworms belong to :

(1) Copepoda (2) Isopoda (3) Nematoda (4) Trematoda

q\il

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H"lfclf@d it it q;'j;, it ~ ~ ill!f.t 'R

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13S.Elastic cartilage is found in :

(1) Ear (2) Eye (3) Tongue (4) Skin

01

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H"1f

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142. The gas exchange units of lungs are called:

(1) Allele (2) Alveoli (3) Allosome (4) Am pullae

(I) ~ (4) ~

143.Spending winter in dormant condition is known as :

(1) Aestivation (2) Acclimatization

(3) Hibernation (4) Neurulation

Rfl

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(3)

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149.Genetically engineered bacterium, E. coli produces a hormone known

as:

(1) Humulin

(3) Oxytocin

(2) Inhibin

(4) Somatotropin

dllj4~1~ f.Jfjfu~, .-~ WiR d«jI~1 if;~ if ii!RT;;jfffi t (I) ;G;'lf81 (2) $,r~r",

ISO.Which one of the following statements regarding chromosome of male

(XY) is wrong?

(1) 'X' contains more genes than ''Y'

(2) 'Y' is responsible for maleness

(3) Haemophilia is a sex-linked disease associated with Ixt

(4) 'Y' compensates for defectives genes in lX'

~ if; iI

(pi gfit;} ;'UII!l1T 3rnm11 >"f rrr "1111 3f/1' - IT> ~ .'RT" '['iff rrr ;);,m ;fIr;fI- q;rffl _ -,."p; it.r iUI ffflj)

1. lfr-[ 11[ 'IT'( #it

2, • 'l ;rif~~, ;);,m 3f/1'-lT> 1IiT it 'JI"I;0;., ""'" ~,

4, iIl'Rr 3lj"''1i il"lT ~-1l"5I ( il;[ 13, • WIT'