Roll No.

Subject Code No. : 134 CMY : 10/3/2008

Q. P. Code : 4

foKku ,oa çkS|ksfxdh [

fgUnh vkSj vaxzsth ek/;e

]

SCIENCE AND TECHNOLOGY [ Hindi and English Medium ]

ACADEMIC/OPEN SEMESTER  I (Objective Type) Evening Session (Only for Re-appear Candidates) Time allowed : 1 12 hours ]

[ Maximum Marks : 65

• bl iz'u-i= esa 65 cgqoSdfYid iz'u fn;s x;s gSaA izR;sd iz'u dk ,d vad gSA

lHkh iz'u vfuok;Z gSaA This Question Paper contains 65 multiple choice questions carrying one mark each. All the questions are compulsory.

• mÙkj i=d ¼vks0 ,e0 vkj0½ ij fooj.k fy[kus / mÙkj nsus ds fy, dsoy

dkys / uhys ckWy ikWbUV isu dk iz;ksx djsaA Use Black/Blue ball point pen only to write details/mark answers on the answer sheet.

• d`i;k tk¡p dj ysa fd bl iz'u-i= esa eqfnzr i`"B 32 rFkk ç'u 65 gSaA Please make sure that the printed pages in this question paper are 32 in number and it contains 65 questions. 134/4

P. T. O.

(2)

134/4

• iz'u-i= esa nkfgus gkFk dh vksj fn;s x;s lctsDV dksM uEcj ,oa DosLpu

isij dksM dks Nk= vks0 ,e0 vkj0 ij fy[ksaA The Subject Code No. and the Question Paper Code on the right side of the question paper should be written by the candidate on the O. M. R. Sheet.

• vifBr mÙkj ;k ,sls mÙkj ftUgsa dkVk ;k cnyk x;k gS] fujLr dj fn;s tk,¡xsA Illegible answers or answer with cutting and overwriting will be cancelled.

• fn;s x;s 4 fodYiksa

(A), (B), (C)

vkSj (D) esa ls ijh{kkFkhZ dks izR;sd iz'u ds mÙkj ds fy, lokZf/kd mi;qDr dsoy ,d gh fodYi pquuk gSA From the given 4 alternatives (A), (B), (C) and (D) the candidate has to select only one most appropriate alternative for each question.

• ijh{kkFkhZ mÙkj i=d ¼vks0 ,e0 vkj0½ ij viuk vuqØekad vadksa ds lkFk-lkFk xksys

esa Hkh HkjsaA The candidate should fill his/her Roll No. with figures in the appropriate circles of the O. M. R. Sheet.

• ijh{kkFkhZ viuk jksy ua0 iz'u-i= ij vo'; fy[ksaA Candidate must write their Roll No. on the question paper.

• d`i;k iz'uksa dk mÙkj nsus lss iwoZ ;g lqfuf'pr dj ysa fd iz'u-i= iw.kZ o lgh

gS] ijh{kk ds mijkUr bl lEcU/k esa dksbZ Hkh nkok Lohdkj ugha fd;k tk;sxkA Before answering the question, ensure that you have been supplied the correct and complete question paper, no claim in this regard will be entertained after examination.

• jQ dk;Z ds fy, vUr esa nks i`"B fn;s x;s gSa] mUgsa iz'u-i= ls vyx u djsaA

134/4

134/4

(3)

Last two pages are given for rough work, do not separate them from the question paper. 1.

fuEu esa ls dkSu-lk vkWDlkbM vEyh; gS (A) CO

(B) Fe2O3

(C) SiO2

(D) N 2O

Which of the following oxide is acidic

2.

(A) CO

(B) Fe2O3

(C) SiO2

(D) N 2O

ty rFkk [kfut yo.kksa dk ifjogu gksrk gS (A)

nk#-Ård esa

(B)

¶yks,e Ård esa

(C)

nk#-okfgfudkvksa eas

(D)

nk#-okfgdkvksa esa

Transportation of water and mineral salts takes place in

3.

(A) Xylem Tissue

(B) Phloem Tissue

(C) Xylem Tracheids

(D) Xylem Vessels

ckseu-laiqV dk vkdkj gS (A)

fxykl lk

(B)

di lk

(C)

pEep lk

(D)

¶ykLd lk

The shape of Bowman's capsule is like a 134/4

P. T. O.

134/4

(4)

4.

(A) Glass

(B) Cup

(C) Spoon

(D) Flask

Å"ek'kks"kh vfHkfØ;k,¡ og gksrh gSa] ftuesa (A)

Å"ek fudyrh gS

(B)

çdk'k mRié gksrk gS

(C)

rki c<+ tkrk gS

(D)

Å"ek vo'kksf"kr gksrh gS

Endothermic reactions are those in which

5.

(A) Heat is evolved

(B) Light is produced

(C) Temperature increases

(D) Heat is absorbed

5 × 10 −7 eh rjaxnS?;Z ds çdk'k dh fuokZr (vaccum) esa vko`fÙk gksxh (A) 1.5 × 1014 Hz

(B)

(C) 15 × 103 Hz

(D) 6 × 1014 Hz

dksbZ ugha

The frequency of light of wavelength 5 × 10 −7 m in vacuum is

6. 134/4

(A) 1.5 × 1014 Hz

(B) None

(C) 15 × 103 Hz

(D) 6 × 1014 Hz

viorZukad dk S. I. ek=d gS

134/4

(5)

(A)

ehVj

(B)

dksbZ ek=d ugha

(C)

okV

(D)

lseh

The S. I. unit of refractive index is

7.

(A) meter

(B) no unit

(C) watt

(D) cm

'okl uyh ra= ik;k tkrk gS (A)

dhVksa esa

(B)

esa
(C)

eNyh esa

(D)

ekuo esa

Tracheal system is found in

8.

(A) Insects

(B) Frog

(C) Fish

(D) Human

ekuo ds ,d o`Dd esa o`Ddk.kq ik;s tkrs gSa (A) 100 yk[k

(B) 10 yk[k

(C) 1000 yk[k

(D) 1 yk[k

The number of Nephrons present in one kidney in man are (A) 100 Lacs

(B) 10 Lacs

(C) 1000 Lacs

(D) 1 Lac

9. lYQj 134/4

ds ,d v.kq esa fdrus ijek.kq gksrs gSa P. T. O.

134/4

(6)

(A) 4

(B) 6

(C) 2

(D) 8

The number of atoms in a molecule of sulphur are

10.

(A) 4

(B) 6

(C) 2

(D) 8

fuEu vfHkfØ;k esa SO2 ( g ) + 2 H 2 S ( g ) → 3S ( s ) + 2 H 2O (l ) SO2 fdl :i esa dk;Z djrk gS (A)

vEy ds :i esa

(B)

{kkj ds :i esa

(C)

vipk;d ds :i esa

(D)

mipk;d ds :i esa

In the following reaction SO2 ( g ) + 2 H 2 S ( g ) → 3S ( s ) + 2 H 2O (l ) SO2 is acting as an

11. 134/4

(A) Acid

(B) Base

(C) Reducing agent

(D) Oxidising agent

i`Foh ds lcls utnhd xzg gS

134/4

(7)

(A)

cq/k

(B)

'kqØ

(C)

c`gLifr

(D)

'kfu

The planet nearest to earth is

12.

(A) Mercury

(B) Venus

(C) Jupiter

(D) Saturn

fdlh oLrq dks lery niZ.k ds lkeus 10 lseh nwjh ij j[kus ls mldk çfrfcEc niZ.k ds ihNs fdruh nwjh ij cusxk (A) 30 lseh

(B) 40 lseh

(C) 5 lseh

(D) 10 lseh

An object is placed at a distance of 10 cm in front of a plane mirror. The image is formed behind the mirror at a distance of

13.

(A) 30 cm

(B) 40 cm

(C) 5 cm

(D) 10 cm

#f/kj FkDdk fdlls curk gS (A)

Qkbfczu

(B)

FkzkfEcu

(C)

FkzkEcksIykfLVu

(D)

mi;qZDr lHkh

Blood clotting is because of 134/4

P. T. O.

134/4

(8)

14.

(A) Fibrin

(B) Thrombin

(C) Thromboplastin

(D) All of above

esa
Ropk

(C) (A) vkSj (B) nksuksa

(B)

QqIQql

(D)

buesa ls dksbZ ugha

Name of respiratory organs in frog are

15.

(A) Skin

(B) Lungs

(C) (A) & (B) both

(D) None of these

,d foy;u ds pH dk eku 4 gSA tc mlds pH dk eku cnydj 2 gks tkrk gS] rc bldh H + vk;u dh lkaærk (A)

nks xquk de gks tk,xh

(C) 100 xquk

c<+ tk,xh

(B) 100 xquk (D)

de gks tk,xh

nks xquk c<+ tk,xh

The pH of a solution is 4. When its pH changes to 2, then its H + ion concentration will

16.

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(A) decrease two times

(B) decrease 100 times

(C) increase 100 times

(D) increase two times

l?ku ls fojy ek/;e esa tkus okyh çdk'k dh fdj.k (A)

vfHkyEc dh rjQ >qd tkrh gS

(B)

okfil pyh tkrh gS

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(9) (C)

lh/kh fudy tkrh gS

(D)

vfHkyEc ls ijs pyh tkrh gS

When ray of light goes from denser to rarer medium then it (A) deviates towards the normal (B) reflected back (C) goes undeviated (D) deviates away from the normal 17.

;fn fdlh çdk'k fdj.k ds fy, vkiru dks.k 45° gks] rks ijkorZu dks.k gksxk (A) 90°

(B) 0°

(C) 180°

(D) 45°

The angle of incidence for a ray of light is 45°. The angle of Reflection will be

18.

134/4

(A) 90°

(B) 0°

(C) 180°

(D) 45°

,d la;qDr lw{en'khZ esa çfrfcEc curk gS (A)

lh/kk

(B)

dksbZ ugha P. T. O.

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( 10 ) (C)

dHkh lh/kk] dHkh mYVk

(D)

mYVk

The image formed in a compound microscope is (A) erect (B) none (C) sometimes erect, sometimes inverted (D) inverted 19.

dodksa esa iks"k.k fof/k gS (A)

Loiks"kh

(B)

ijthoh

(C)

e`rthoh

(D)

ijiks"kh

Mode of nutrition in fungi is

20.

(A) Autotrophic

(B) Parasitic

(C) Saprophytic

(D) Heterotrophic

fuEu esa dkSu-lk çkFkfed jax ugha gS (A)

yky

(B)

ihyk

(C)

gjk

(D)

uhyk

Which of the following is not a primary colour 134/4

134/4

( 11 )

21.

(A) Red

(B) Yellow

(C) Green

(D) Blue

buesa ls ,d fHké dks Nk¡fV, (A)

Ropk

(B)

QqIQql

(C)

dwfidk

(D)

Dykse

Pick the odd one out

22.

(A) Skin

(B) Lung

(C) Alveolus

(D) Gills

,d [kxksyh; nwjchu dk lkekU; lek;kstu esa vko/kZu Kkr djsa] ;fn vfHkn`';d dh Qksdl nwjh 120 lseh rFkk usf=dk dh Qksdl nwjh 4 lseh gS (A) 30

(B) 124

(C) 120

(D) 60

What is the magnification of an astronomical telescope in normal adjustment, if the focal length of eye lens is 4 cm and focal length of object lens is 120 cm

23.

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(A) 30

(B) 124

(C) 120

(D) 60

fuEu esa ls dkSu vius tyh; foy;u ds vk/kkj ij çcyre fo|qr~ vi?kV~; gS P. T. O.

134/4

( 12 )

(A) NH 4Cl

(B) HCN

(C) NaCl

(D) CH 3COOH

Which of the following is the strongest electrolyte on the basis of its behaviour in the aqueous solution

24.

(A) NH 4Cl

(B) HCN

(C) NaCl

(D) CH 3COOH

vksfy;e dk jklk;fud lw= gS (A) H 2 S 2 O7

(B) SO3

(C) H 2 SO3

(D) H 2 SO5

The chemical formula of oleum is

25.

(A) H 2 S 2 O7

(B) SO3

(C) H 2 SO3

(D) H 2 SO5

fdu #f/kj df.kdkvksa dks 'kjhj dk ^lSfud* dgrs gSa (A)

'osr #f/kj df.kdk,¡

(B)

IysVysV~l

(C)

yky #f/kj df.kdk,¡

(D)

mi;qZDr lHkh

Which blood cells are called 'Soldiers' of the body 134/4

134/4

( 13 )

26.

(A) WBC

(B) Platelets

(C) RBC

(D) All of the above

,d /kkrq ftls ifjlekiu fof/k }kjk 'kq) fd;k tkrk gS] mldk gksrk gS (A)

mPp xyukad

(B)

mPp ?kuRo

(C)

vYi ?kuRo

(D)

vYi xyukad

A metal which is purified by Liquation method has

27.

(A) High melting point

(B) High density

(C) Low density

(D) Low melting point

Hkw-fLFkj d{kk esa fdlh mixzg dk ifjØe.k dky gksrk gS (A)

,d o"kZ

(B) 12 ?kaVs

(C) 10 ?kaVs

(D) 24 ?kaVs

Time period of a satellite in geo-stationary orbit is

28.

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(A) one year

(B) 12 hours

(C) 10 hours

(D) 24 hours

ikuh ds Vc esa iM+k flDdk mHkjk gqvk fn[kkbZ nsus dk dkj.k gS % P. T. O.

134/4

( 14 )

(A)

çdk'k dk viorZu

(B)

çdk'k dk fo{ksi.k

(C)

iw.kZ vkarfjd ijkorZu

(D)

çdk'k dk ijkorZu

The apparent depth of a coin inside water tab decreases due to (A) Refraction of light

(B) Dispersion of light

(C) Total internal reflection (D) Reflection of light 29. 40 lseh

oØrk f=T;k (R) okys xksyh; niZ.k dh Qksdl nwjh gksxh

(A) 20 lseh

(B) 40 lseh

(C) 80 lseh

(D)

buesa ls dksbZ ugha

The focal length of a spherical mirror of radius of curvature 40 cm is

30.

(A) 20 cm

(B) 40 cm

(C) 80 cm

(D) None of these

gfjryod esa çdk'k vfHkfØ;k dgk¡ gksrh gS (A)

ihfBdk esa

(B)

nksgjh f>Yyh esa

(C)

xzSuk esa

(D)

[kaHkksrd esa

Where light reaction in chloroplast takes place 134/4

134/4

( 15 )

31.

(A) Stroma

(B) Double envelope

(C) Grana

(D) Palisade

gjs ikS/ks Hkkstu cukrs gSa (A)

çdk'k-vkWDlhdj.k ls

(B)

çdk'k vi?kVu ls

(C)

çdk'k la'ys"k.k ls

(D)

çdk'k-'olu ls

Green plants make food by

32.

(A) Photo-oxidation

(B) Photolysis

(C) Photosynthesis

(D) Photorespiration

/kkrq tks æo gS (A)

fcLeFk

(B)

lksfM;e

(C)

edZjh (ikjk)

(D)

eSXuhf'k;e

The liquid metal is

33. 134/4

(A) Bismuth

(B) Sodium

(C) Mercury

(D) Magnesium

dkSu-lh /kkrq gkbMªkstu ls vf/kd vfHkfØ;k'khy gS P. T. O.

134/4

( 16 )

(A) Cu

(B) Hg

(C) Fe

(D) Ag

Which metal is more reactive than hydrogen

34.

(A) Cu

(B) Hg

(C) Fe

(D) Ag

Loiks"kh iks"k.k ik;k tkrk gS (A)

ihiy esa

(B)

vejcsy esa

(C)

ekuo esa

(D)

fdlh esa ugha

Autotrophic mode of nutrition is found in

35.

(A) Peepal

(B) Amarbel

(C) Human

(D) None of these

,d la;qDr lw{en'khZ esa ;fn usf=dk dk vko/kZu 10 gS rFkk vfHkn`';d dk vko/kZu 5 gS] rks dqy vko/kZu gksxk (A) 2

(B) 10

(C) 50

(D) 15

What will be total magnification of a compound microscope, if the magnification of object lens is 5 and of eye lens is 10 134/4

134/4

( 17 )

36.

(A) 2

(B) 10

(C) 50

(D) 15

xaHkhj 'olu voLFkk dh fLFkfr esa jksxh dks fdl midj.k ij j[kk tkrk gS (A)

laokrd

(B)

Mk;fyfll e'khu

(C)

vkWDlhtu ekLd

(D)

bysDVªksdkfMZ;ksxzkQ

In case of severe respiratory problem the patient is kept on which instrument

37.

(A) Ventilator

(B) Dialysis machine

(C) Oxygen mask

(D) Electrocardiograph

rkack vkSj fdl /kkrq dk feJ/kkrq ihry gS (A) Ag

(B) Fe

(C) Al

(D) Zn

Brass is an alloy of copper and

38.

(A) Ag

(B) Fe

(C) Al

(D) Zn

ikjlsd (parsec) fdldk ek=d gS (A)

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ÅtkZ

(B)

xfr P. T. O.

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( 18 )

(C)

nwjh

(D)

dk;Z

Parsec is the unit of

39.

(A) Energy

(B) Speed

(C) Distance

(D) Work

'kdZjk lkaæ H 2 SO4 ds lkFk vfHkfØ;k djus ls nsrk gS (A) CO2

(B) SO2

(C) CO

(D) C

Sugar reacts with conc. H 2 SO4 to give

40.

(A) CO2

(B) SO2

(C) CO

(D) C

nk# Ård esa fdrus e`r dksf'kdk,¡ gSa (A) 4

(B) 3

(C) 2

(D) (B) vkSj (C) nksuksa

How many dead cells are there in xylem tissue (A) 4

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(B) 3

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( 19 )

(C) 2 41.

(D) (B) & (C) both

yky #f/kj df.kdkvksa esas ik;k tkus okyk o.kZd gS (A)

,fjFkzksflu

(B)

gheksXyksfcu

(C)

gheSVksØksse

(D)

buesa ls dksbZ ugha

The pigment present in RBC is

42.

(A) Erythrocin

(B) Haemoglobin

(C) Haematochrome

(D) None of these

lqLi"V n`';rk dh vYire nwjh ,d lkekU; euq"; ds fy, gksrh gS (A) 10 lseh

(B) 60 lseh

(C) 50 lseh

(D) 25 lseh

The least distance of distinct vision for a normal human eye is

43.

(A) 10 cm

(B) 60 cm

(C) 50 cm

(D) 25 cm

gkcj çØe }kjk veksfu;k dh vf/kdre çkfIr ds fy, dkSu-lh ifjfLFkfr vuqdwy ugha gS (A)

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gkbMªkstu dh vf/kdrk

(B)

mPp nkc P. T. O.

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( 20 ) (C)

mPp rki

(D)

ukbVªkstu dh vf/kdrk

Which is not a favourable condition for the high yield of ammonia by Haber's process (A) Excess of Hydrogen (B) High Pressure (C) High Temperature (D) Excess of Nitrogen

44.

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vfHkfØ;k N 2 ( g ) + 3 H 2 ( g ) gS

(A)

[ N 2 ] [ H 2 ]3

(B)

[ NH 3 ]2

[ NH 3 ]2

[ N 2 ] [ H 2 ]3

(C)

2. [ NH 3 ] [N2 ] × 3 [H 2 ]

(D)

[ N 2 ] [ H 2 ]3 2. [ NH 3 ]

≡

2 NH 3 ( g ) dk lkE;koLFkk fLFkjkad

134/4

( 21 )

The equilibrium constant for the reaction N 2 ( g ) + 3H 2 ( g )

45.

(A)

[ N 2 ] [ H 2 ]3

(B)

[ NH 3 ]2

≡

2 NH 3 ( g ) is

[ NH 3 ]2

[ N 2 ] [ H 2 ]3

(C)

2. [ NH 3 ] [N2 ] × 3 [H 2 ]

(D)

[ N 2 ] [ H 2 ]3 2. [ NH 3 ]

ekuo ds 'kjhj ls ukbVªkstu/kkjh vif'k"V inkFkksZa rFkk ikuh dk ckgj fudyus dks dgrs gSa (A)

mRltZu

(B)

çnw"k.k

(C)

tuu

(D)

ifjlapj.k

The elimination of toxic nitrogenous waste and excess water in man is by

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(A) Excretion

(B) Pollution

(C) Reproduction

(D) Circulation P. T. O.

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( 22 )

46.

ylhdk dk çokg gksrk gS (A)

Årdksa ls ân;

(B)

ân; ls Årdksa

(C)

nksgjk ifjlapj.k

(D)

;s lHkh

Lymph flows from

47.

(A) Tissue to Heart

(B) Heart to Tissue

(C) Double circulation

(D) All of these

gsekVkbV fdldk v;Ld gS (A)

,syqfefu;e

(B)

edZjh ¼ikjk½

(C)

ftad

(D)

vk;ju

Haematite is an ore of

48.

(A) Aluminium

(B) Mercury

(C) Zinc

(D) Iron

çdk'k la'ys"k.k dh vçdkf'kd vfHkfØ;k dh [kkst+ dh Fkh (A)

esfYou dSfYou us

(B)

yS.MLVhuj us

(C)

,e0 dSfYou-csUlu us

(D)

,p0 th0 [kqjkuk us

Dark reaction of Photosynthesis was discovered by

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(A) Melvin Calvin

(B) Landsteiner

(C) M. Calvin-Benson

(D) H. G. Khurana

( 23 ) 49.

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fuEu esa ls lgh niZ.k lw= gS (A)

f = v−u

(B)

1 1 1 = + f v u

(C) f = v + u (D)

1 1 1 = − f v u

Which of the following is correct mirror formula (A)

f = v−u

(B)

1 1 1 = + f v u

(C) f = v + u (D)

50.

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1 1 1 = − f v u

NaOH ,d {kkjd gS D;ksafd vkjsfuvl ds vuqlkj (A)

bldk Lokn dM+ok gksrk gS

(B)

;g ty esa OH − vk;u çnku djrk gS

(C)

;g yky fyVel i= dks uhyk djrk gS

(D)

;g vEy dks mnklhu dj ldrk gS P. T. O.

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( 24 )

NaOH is a base because according to Arrhenius (A) It has a bitter taste (B) It gives OH − ions in water (C) It turns red litmus paper blue (D) It can neutralize acid 51.

gjh ifRr;ksa esa xSlh; fofue; gksrk gS (A)

okrja/kz ls

(B)

ja/kz ls

(C)

QqIQql ls

(D)

Dykse ls

Gaseous exchange takes place in green leaves

52.

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(A) through Lenticels

(B) through Stomata

(C) through Lungs

(D) through Gills

lYQkbM v;Ld dks xSax ls fdl çØe }kjk i`Fkd~ fd;k tk ldrk gS (A)

Qsu Iyou çØe

(B)

æopkfyr /kqykbZ

(C)

fo|qr~-pqacdh; i`FkDdj.k

(D)

jklk;fud fof/k

134/4

( 25 )

Sulphide ore is separated from gangue by the process (A) Froth floatation process (B) Hydraulic washing (C) Electromagnetic separation (D) Chemical method

53. 18-dSjsV

xksYM esa xksYM fdrus çfr'kr gS

(A) 75%

(B) 33%

(C) 67%

(D) 60%

What is the percentage of Gold in 18-carat gold

54.

(A) 75%

(B) 33%

(C) 67%

(D) 60%

çdk'k ds fdl jax dk fopyu lcls de gksrk gS (A)

yky

(B)

gjk

(C)

cSaxuh

(D)

uhyk

Which colour of light is deviated least

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(A) Red

(B) Green

(C) Violet

(D) Blue P. T. O.

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( 26 ) 55. 25 lseh

Qksdl nwjh ds ,d ysal dh {kerk gksxh

(A) + 40 D

(B) – 2 D

(C) + 4 D

(D) 0.4 D

The power of a lens of focal length 25 cm is

56.

(A) + 40 D

(B) – 2 D

(C) + 4 D

(D) 0.4 D

piVs d`fe;ksa esa mRltZu bdkbZ gS (A)

o`Ddd

(B)

Tokyk dksf'kdk

(C)

usÝkWu

(D)

vkWLdqye

The excretory unit in flatworms is

57.

(A) Nephridia

(B) Flame cells

(C) Nephron

(D) Osculum

fuEu esa ls dkSu-lh vfHkfØ;k ugha gks ldrh gS (A) Zn ( s ) + CuSO4 ( aq ) → ZnSO4 ( aq ) + Cu ( s ) (B) FeSO4 ( aq ) + Zn (s ) → ZnSO4 ( aq ) + Fe ( s ) (C) Cu ( s ) + ZnSO4 ( aq ) → CuSO4 ( aq ) + Zn ( s ) (D) 2 AgNO3 (aq ) + Cu ( s ) → Cu ( NO3 ) 2 (aq ) + 2 Ag ( s )

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( 27 )

Which of the following reaction cannot occur (A) Zn ( s ) + CuSO4 ( aq ) → ZnSO4 ( aq ) + Cu ( s ) (B) FeSO4 ( aq ) + Zn (s ) → ZnSO4 ( aq ) + Fe ( s ) (C) Cu ( s ) + ZnSO4 ( aq ) → CuSO4 ( aq ) + Zn ( s ) (D) 2 AgNO3 (aq ) + Cu ( s ) → Cu ( NO3 ) 2 (aq ) + 2 Ag ( s ) 58.

okguksa esa ç;ksx gksus okyk niZ.k gksrk gS (A)

mÙky

(B)

vory

(C)

lery

(D)

buesa ls dksbZ ugha

The mirror used in vehicles is

59.

(A) Convex

(B) Concave

(C) Plane

(D) None of these

AlCl3 tyh; NH 3 ds lkFk vfHkfØ;k djus ls nsrk gS (A)

gjs vo{ksi

(B)

uhys vo{ksi

(C)

yky vo{ksi

(D)

lQsn vo{ksi

AlCl3 reacts with aqueous NH 3 to give

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(A) Green precipitates

(B) Blue precipitates

(C) Red precipitates

(D) White precipitates P. T. O.

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( 28 )

60.

tBj jl esa ik;k tkus okyk vEy gS (A)

gkbMªksDyksfjd vEy

(B)

,slhfVd vEy

(C)

lY¶;wfjd vEy

(D)

flfVªd vEy

Acid present in gastric juice is

61.

(A) Hydrochloric Acid

(B) Acetic Acid

(C) Sulphuric Acid

(D) Citric Acid

Hkkjro"kZ ds igys d`f=e mixzg dk D;k uke Fkk (A)

vk;ZHkV~V

(B)

bUlSV

(C)

HkkLdj

(D)

jksfguh

The first artificial satellite launched by India was

62.

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(A) Aryabhatta

(B) INSAT

(C) Bhaskar

(D) Rohini

fuEu esa ls dkSu-lk /kwedsrq gS (A)

gSys

(B)

pUæek

(C)

'kqØ

(D)

eaxy

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( 29 )

Which of the following is a comet

63.

(A) Halley

(B) Moon

(C) Venus

(D) Mars

lksfM;e gkbMªkWDlkbM foy;u SO2 ds lkFk fØ;k djus ls cukrk gS (A) Na2 SO3

(B) Na2 S

(C) Na2 SO4

(D) NaHSO3

Sodium hydroxide solution reacts with SO2 to form

64.

(A) Na2 SO3

(B) Na2 S

(C) Na2 SO4

(D) NaHSO3

fuokZr (vacuum) esa çdk'k dh pky gksrh gS (A) 3 × 108 m/s

(B)

(C) 3 × 105 m/s

(D) 3 × 1010 m/s

thjks

The speed of light in vacuum is

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(A) 3 × 108 m/s

(B) Zero

(C) 3 × 105 m/s

(D) 3 × 1010 m/s P. T. O.

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( 30 )

65.

,d ljy lw{en'khZ esa ysal ç;ksx gksrk gS (A)

vory

(B)

dksbZ ugha

(C)

csyukdkj

(D)

mÙky

The lens used in a simple microscope is (A) Concave

(B) None

(C) Cylindrical

(D) Convex

p

jQ dk;Z/Rough 134/4

Work

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( 31 )

jQ dk;Z/Rough 134/4

Work P. T. O.