every day science mcqs from ppsc past papers

7/25/2019 Every Day Science Mcqs From Ppsc Past Papers

1/35

1) One of the countries through which equator passes is:

(a) Kenya(b) Malaysia

(c) Malta

(d) Pakistan

2) Copper can be converted into gold by:

(a) Artificial radioactivity(b) heating

(c) Electroplating

(d) Chemical reaction

) !he three ele"ents needed for healthy growth of plants are:

(a) #$ %$ &

(b) N, C, P(c) N, K,

(d) N, S, P

') Clocs$ which "oves with the velocities co"pareable with thevelocity of light$ run:

(a) fast(b) slow

(c) e!al to the "elocity of light

(d) with ero velocity

*) Ma+ %lanc received the noble prie in %hysics in 1,1- for his

discovery of:

(a) electron(b) energy quanta

(c) photon

(d) positron

.) /rone "edal is "ade up of "etals:

(a) (copper,nickel)(b) (copper$ tin)

(c) (copper, sil"er)

(d) (copper, #inc)

0) Addisons disease is caused by the e+cessive secretion of:

(a) $ntid!retic %armone


2/35

(b) &!teinising %armone

(c) Melanophore stim!lating %armone(d) Adrenocorticotrophic ar"one

-) 3evelop"ent of calf "uscles in ladies who wear high heels is a

co""on e+a"ple of:

(a) Nat!ral Selection

(b) inheritance of acquired character

(c) 'se and dis!se of organ(d) $rtificial selection

,) Margalla ill is a branch of:

(a) &araoru" range

(b) %ind!kash range

(c) %imalaya range

(d) Nanga Parbat range

14) u""ing bird belongs to a category called:

(a) Ectotherm(b) 5ndother"

(c) Eotherm

(d) %eterotherm

(a) Oxidation-Loss of an electron

(b) Oxidation - gain of an electron

(c) Reduction - gain of a neutron

(d) Reduction - loss of a neutron

(2) Radioactive isotope of Uranium used in Nuclear Bomb is:

(a)92 U 235

(b)92 U 234

c)92 U 233

d)92 U 2!

() "uman population #ro$t% is #reatest in developin# countries because:

(a) t%e birt% rate is %i#% in developin# countries

(b) the death rate is high in developing countries(c) !uch of the population has alread" reached the child bearing age

(d) !ost of the #orld$s population lives in industriali%ed countries

(&) '%ic% $ood ra$ material is used for t%e manufacture of paper pulp

(a) &otton

(b) *oplar


3/35

(c) 'agasse

(d) Rice stra#

(+) Rectified spirit contains alco%ol about:

(a) *

(b) 9+,(c) +*

(d) 5*

() '%ic% of t%e follo$in# elements is not present abundantl in eart%.s crust:

(a) ,ilicon

(b) Radium

(c) lu!inu!

(d) &arbon

(/) 0%e famous boo1 3l - 4anoun $as $ritten b t%e 5uslim scientist:

(a) .abar bin /a""an

(b) 0a1ari"a l - Ra%i

(c) 3bu 3li 6ina

(d) bdul asi! areeti

(!) Basic metals can be converted into #old b:

(a) /eating

(b) 'eating

(c) 3rtificial nuclear radioactivit

(d) &he!ical reaction

(9) 3 li#%t ear is a unit of:

(a) i!e

(b) 6nerg"

(c) Len#t%

(d) ass

(78) One of t%e main function of t%e eart%.s oone laer is to:

(a) 7revent global #ar!ing

(b) ilter out ultraviolet ras

(c) bsorb pollution(d) ll of the above

(8) 7erson #ith follo#ing blood group are considered to be universal recipient

a

b '

c '

d O


4/35

e; None of t%ese

The AB group is considered to be universal recipient

(2) ,tud" of life in outer space is 1no#n as:

a 6ndobiolog"

b; Ox#en

d Ox"gen &arbon

e ;one of these

(>) ?r bdus ,ala! of 7a1istan #as one of the contributors of the unification of:

a 6lectro!agnetic force and gravitational force

b;


5/35

(+) Ahich triplet in ?; codes for valine:

a &

b @U

c &

d e; None of t%ese

() Ahat is the chance of diabetic bab" born to parents both hetero%"gous nor!al B

a 0ero

b; ?

c C

d D

e ;one of these

(9) Ahich of the follo#ing is not a part of ?ar#inis!:

a; Over production

b ;atural selection

c


6/35

c; Nicolas =opernicus

d ichael Garada"

e ;one of these

(83) he instru!ent #hich !easures ver" high te!perature is:

a ano!eter

b her!ostat

c &hrono!eter

d; *rometer

e ;one of these

(84) he science #hich deals #ith stud" of !anners and custo!s of people is:

a;


7/35

(8) ?efecienc" of follo#ing vita!in decreases he!oglobin production:

a 'iotin

b hia!ine

c ;iacin

d; *ridoxine(1no#n as Fita!in '>H causes ane!ia ie deficienc" of he!oglobin)e ;one of these

(89) /"gro!eter is used for !easuring the:

a ,peed of sound

b ?ensit" of !il1

c; "umidit of air

d ,pecific gravit" of liEuids

e ;one of these

(2) 'ron%e is an allo" of:

a &opper and 0inc

b in and 0inc

c; =opper and 0in

d


8/35

c &anis aor

d aurus

e ;one of these

(24) I'lac1 holesJ refer to:

a /ole occurring in heavenl" bodies

b 'right spots on the sun

c; =ollapsin# obAects of %i#% densit

d &ollapsing of lo# densit"

e ;one of these

(25) 6ugenics is the stud" of:

a; 3lterin# %uman bein#s b c%an#in# t%eir #enetic components(close to the actual

definition)

b 7eople of 6uropean region

c ?ifferent races of !an1ind

d @enetic of plants

e ;one of these

Eugenics: study of the possibility of racial improvement through selective breeding and other

methods

(2>) he position of earth in its orbitH #hen it is at its greatest distance fro! the sun causing

northern su!!er is called:

a; 3p%elionb 7erihelion

c 7erigee

d pogee

e ;one of these

(2+) ?ia!ond is a ver" expensive orna!ent


9/35

c esosphere

d ,tratosphere

e ;one of these

(29) Ahich of the follo#ing explains the reason #h" there is no total eclipse of the sunB

a ,i%e of the earth in relation to that of !oon

b Orbit of !oon around earth

c ?irection of rotation of earth around sun

d; 3rea of t%e sun covered b t%e moon

e ;one of these

(3) elevision signals are converted into light signals b":

a Optical fiber

b ransistor

c ?ecoder

d; *%oto diode

e ;one of these

(38) Ahere do !ost of steroids lieB

a; @n asteroid belt bet$een t%e orbits of 5ars and Cupiter

b


10/35

(34) he ter! K'lue ,hiftL is used to indicate:

a; oppler effect in $%ic% an obAect appears bluer $%en it is movin# to$ards t%e observer

or observer is movin# to$ards t%e obAect;

b urning a star fro! #hite to bluec


11/35

d ,tratosphere

e O%one la"er

(39) !oderator is used in nuclear reactor in order to:

a ccelerate the neutronsb; 6lo$ do$n t%e speed of t%e neutrons

c


12/35

(44) east is used in !a1ing bread because it produces:

a; =arbon dioxide

b ,ugar

c 'acteria

d Ox"gene ;one of these

(45) Oasis is associated #ith:

a @laciers

b; esert

c ) uart% cr"stal in Euart% #atches #or1 on the principle called:

a 7hotoelectric effect

b ,tar1 effect

c her!ionic effect

d; *ieo-electric effect

e ;one of these

.

(4+) he fruits #ithout seedH li1e bananaH are called:

a seedless fruits

b parthenogenesis fruits

c; part%enocarpic fruits

d placental fruits

e Organic fruits

(4) ni!al #hich captures and readil" 1ills living ani!als for its food is called:

a 7arasite

b ,cavenger

c *redator

d a!!al

e ;one of these

(49)


13/35

b ccidents due to contraction in #inter can be avoided

c ir gaps are necessar" for bearing the #eight of running train

d; 3ccidents due to expansion in summer can be avoided

e ll of these

(5) ;a!e the fa!ous boo1 of


14/35

e) none of these

*6 !hree ele"ents needed for the healthy growth of plants are :

a) #$%$&

b) N,C,P

c) N,K,Cd) N,S,P

e) none of these

.6Copper can be converted into gold by :

a) %eating

b) Artificial ;adioactivity

c) Electroplatingd) Chemical reaction

e) None of these

06 8n winter an iron pipe feel colder than a wooden window 6 !his is

because wood is :

a) Cond!ctor

b) non


15/35

because light is :

a) =isible

.) /ransparentc) n"isible

d) opa!e

e) None of these

116 A si+ feet tall lady wants to see her full i"age in a plane "irror 6

!he "ini"u" length of the "irror will be :

a) 6 feet

b) 12 feetc) 7 feet

d) feet

e) None of these

126 !he principle used in radar is the sa"e as that of >onar6 8n radarwe use radio waves ? whereas in sonar we use :

$) red wa"es

b) nfrared wa"esc) @ltrasonic

d) s!per sonic

e) None of these

16 8n a fission nuclear reaction $ a heavy nucleus breas up into

s"aller nuclei whereas in another nuclear reaction two or "ore thantwo possibly nuclei are fused to for" a heavy nucleus !his nuclear

reaction is called :

a) Chemical *eaction

b) N!clear reaction

c) 4ission n!clear reactiond) usion nuclear reaction

e) None of these

1'6 %arsec is a unit of :

a) Energy

b) /imec) Power

d) 3istancee) None of these

1*6 Ber"an >ilver is an alloy of:

$) 8n 9 Ni


16/35

b) C! 9 8n

c) Cu #id) C! 9 Sn

e) None of these

1.6 !he Continent Antarctica lies at the:

a) North pole

b) >outh pole

c) middle of the earth

d) E!atore) None of these

1: /he temperat!re of the dead body is;

a) 3 ater

c) Mil

d) oli"e oile) None of these

1,6 Cusec is a unit of :

a) $rea

b) /ime

c) ?istance

d) masse) #one of these

246 !he deepest place on earth is :

a) /renchb) Mariana !rench

C) Mangro"e

d) @roo"e

e) None of these

21 /winkling of stars is ca!sed by ;


17/35

a) *eflection of light

b) Polari#ation of lightc) refraction of light

d) nterference of light

e) None of these

226 Magnifying power of a si"ple "icroscope can be increased by :

a) increasing focal length of the lens

b) ?ecreasing focal length of the lens

c) &ens of large apert!red) lens of short apert!re

e) None of these

26 /rone "edal is "ade up of "etal :

a) Copper , 8inc

b) Copper , Nicklec) Copper $ !ind) Sopper , Sil"er

2'6 One of the countries through which equator passes is :

a) &enya.) Pakistan

c) Malaysia

d) Malta

e) None of these

2*6 A very i"portant practical application of properties of "atter ishoeing or DgodiD practiced by the far"ers6 !his property of "atter is

called :

a) Elasticity

b) Stress

c) Capillarityd) Strain

e) None of these

2.6 8t is observed that the total pressure e+erted by air on the "an of

average si is around 1'60 lb wt6 per square inch6 /ut the "an feelsquite co"fortable$6 8t is because of :

a) An equal and opposite pressure acts fro" inside

b) of the height of a man

c) of gra"ity

d) Earth p!lls the man !pwarde) None of these


18/35

20) A nuclear reactor is a device used to carry out controlled nuclear

reaction whereas BM counter is a device used to detect :

a) C!rrent

b) -oltagec) nuclear ;adiation

d) power

e) None of these

2-6 A body can escape the gravitational pull of the earth if it is

thrown up with a velocity of:

a) 2A miles per secb ) 63 miles per sec

c) 0 "iles per sec

d) 13 miles per sec

e) None of these

2,6 #ight vision is possible with the help of :

a) *ed light

b) -iolet light

c) 8nfrared ;ays

d) 'ltra "iolet &ighte) None of these

46 Myopia is a defect of hu"an eye6 it can be corrected by using a

lens called :

a) Con"e lens

b) Concave lens

c) Cylindrical lensd) Plano con"e lens

e) None of these

16 7alnuts can be broen in the hand by squeeing two togetherbut not one6 8t is because of :

a) 7or done

b) Powerc) Energy

d) -ol!me

e) None of these

26 !he instru"ent which i specially design for recording earth quae

wave is called seis"ograph which "easure earth quae waves on a;

a) ?iatonic scale


19/35

b) 4ahrenheit Scale

c) ;ichter scaled) Celsi!s Scale

e) None of these

6 !he planet Mercury co"pletes one rotation around the sun is :

a) -- days

b) =6A days

c) B daysd) 63 days

e) None of these

'6 ossils found in the lowest geological strata are generally "ost :

a) $d"ance

b) Comple

c) %ri"itived) Speciali#ed

e) None of these

*6 5volution can be described as :

a) A continuing process

b) $ catastrophic e"ent in the pastc) Static

d) /he attaining of an ideal type

e) None of these

.6 7hat is the only source of new alleles9

a) Crossing o"er

b) independent assortmentc) Mutation

d) 4ertili#ation

e) None of these

06 %olygenic characteristic are controlled by :

a) ?ominant genes

b) *ecessi"e genesc) Multiple genes

d) M!tated genes

e) None of these

-6 7hich of the following $ lists the four stages of food processing in

order9

a) ingestion $ digestion $ absorption $ eli"ination


20/35

b) digestion , ingestion , absorption , elimination

c) ingestion , absorption , elimination , digestiond) absorption , digestion , ingestion , elimination

e) None of these

,6 8n hu"ans $ "ost nutrient "olecules are absorbed by the :

a) small intestine

b) sto"ach

c) li"erd) large intestine

e) None of these

'46 !he energy needed to fuel essential body processes is called :

a) Essential n!trient le"el

b) .asal metabolism

c) None of thesed) recommended daily allowance

e) Dptim!m energy intake

'16 7hich of the following is an organic "olecule needed by the bodyin s"all a"ounts9

a) Proteinb) -itamin C

c) 8inc

d) Monosaccharide

e) None of these

'26 8nhaled air passes through which of the following in the last9

a) /ronchioleb) &aryn

c) Pharyn

d) /rachea

e) None of these

'6 7hich of the following is a for" of se+ual reproduction9

a) er"aphroditis".) 4ission

c) 4ragmentation

d) .!dding

e) None of these

''6 Cobalt is a "aterial which is :

a) >trongly attracted by a "agnet


21/35

.) Not attracted by a magnet

c) not a magnetd) >eakly attracted by a magnet

e) None of these

'*6 aughing gas has che"ical co"position of the following twoele"ents which are :

a) Nitrogen 9 %ydrogen

b) Nitrogen 9 Carbonc) #itrogen o+ygen

d) Dygen 9 Carbon

e) None of these

'.6 epatitis A is trans"itted to different individuals by :

a) 7ater

b) Snee#ingc) Spit

d) 4oeces

e) None of these

'06 !he unit that coordinates different devices of the co"puter

syste" is :

a) $&'

b)*egister

c) Control unit

d) &ogical instr!ctione) None of these

'-6 !he "ost abundant ele"ent present is in the hu"an body is :

a) Nitrogen

b) O+ygen

c) Carbon

d) %ydrogene) None of these

',6 Cancer can be treated by :

a) $ntibiotics and "accines

b) *adiotherapy and antibodies

c) Che"otherapy and radiotherapy

d) $ntibodies and chemotherapye) None of these

*46 Ani"als obtain carbon dio+ide "ainly fro" :


22/35

a) >tarch

b) S!crosec) @l!cose

d) @lycogen

e) None of these

&,

ns#ers

8 c 2 d 3 c 4 a 5 b

> c + c d 9 c 8 d

88 d 82 a 83 b 84 a 85 c8> a 8+ b 8 c 89 c 2 c

28 c 22 b 23 b 24 a 25 d

6ver" ?a" ,cience

8Ahich instru!ent is used to !easure pressureBc ano!eter

2 Ahat does ngstro! !easureBd ,peed of ships

3 =ight "ear is related toc ?istance

5 Ahich of the follo#ing instru!ents is used to !easure pressure of gasesB

b ano!eter

> .oule is the unit of

b 6nerg"

+ /o# !an" ?"nes are there in one gra! #eightB

c 98

/o# !an" 6rgs are these in 8 .ouleB

d 8+

9 he unit of current is

c !pere

8 he unit of energ" in M, s"ste! is

d .oule

88 he intensit" of an earthEua1e is !easured #ith a

d ,eis!ograph

82 &entigrade P Gahrenheit scales give sa!e reading at


23/35

a - 4o

84 Aho a!ong the follo#ing described protoplas! as the ph"sical basis of lifeBa / /uxle"

85 he scientist #ho first discovered that the earth revolves round the sun #asc &opernicus

8> lexander Gle!ing discovereda 7enicillin

8+ Aho a!ong follo#ing invented the stea! engineB

b .a!es Aatt

8 Aho invented t"pe#riterB

c ,holes

2 Aho discovered circulation of blood in hu!an bod"Bc Aillia! /arve"

28 he first atte!pt in printing #as !ade in 6ngland b"c Aillia! &axton

22 Aho #as the surgeon #ho pioneered antiseptic surger" in 8>5B

a 6d#ard .enner

b .oseph =ister

c /enr" Aillia!d .ohn ,lee!an

23 he credit of inventing the television goes to

a Garada"

b 'aird

c 6disond arconi

24 he credit of developing the polio vaccine goes to

a .onas ,al1

b lb 6 ,abinc ,el!an Aa1s!an

d ;one of these

25 ar1 the #rong co!bination


24/35

a .a!es Aatt: ,tea! 6ngine

b @ 'ell: elephonec . = 'aird: elevision

d . 7er1ins: 7enicillin

2> &hoose the correct co!bination

a "pe#riter: Re!ington

b ?"na!ite: ?unlopc 6volution: ?ar#in

d eroplane: /ar#a"

2+ Aho invented the ball point penB

a Aater!an

b Oscar

c Ailsond =a%lo 'iro

2 'la%e 7ascal is associated #ith

a &alculating !achineb &o!puter

c &ine!a

d ;one of these

29 Aright 'rothers are regarded inventors of the

a 'alloonb 'ic"cle

c eroplane

d ;one of these

3 Ahich of the follo#ing pairs is incorrectB

a Roentgen: N-ra"b ;e#ton: =a# of gravitation

c Garada": ?iffusion of gases

d 7asteur: 'acteriolog"

38 7hilolog" is the

a ,tud" of bones

b ,tud" of !uscles

c ,tud" of architecture

d ,tud" of languages


25/35

32 nato!" is the branch of science #hich deals #ith

a ,tructure of ani!als and plants

b Gunctioning of bod" organs

c ni!al behaviord &ells and tissues

33 ,tud" of earthEua1es is 1no#n as

a 6colog"

b ,eis!olog"

c ;u!is!aticsd ;one of these

34 6colog" deals #ith

a 'irds

b &ell for!ationc Relation bet#een Organis!s and their environ!ent

d issues

35 eteorolog" is the science of

a Aeather

b eteorsc etals

d 6arthEua1es

3> Oncolog" is the stud" of

a 'irdsb &ancer

c a!!als

d ,oil

3+ ,tud" of life in outer space is 1no#n as

a 6ndobiolog"b 6xobiolog"

c 6nterobiolog"

d ;eobiolog"

3 ;u!is!atics is the stud" of

a &oins


26/35

b ;u!bers

c ,ta!ps

d ,pace

39 6ugenics is the stud" of

a ltering hu!ans beings b" changing their genetic co!ponents

b 7eople of 6uropean origin

c ?ifferent races of !an1indd @enetics of plants

4 Ornitholog" is the

a ,tud" of bones

b ,tud" of birds

c ,tud" of s!ells

d ;one of these

48 Aho invented the ?octorBs ther!o!eterB

a Gahrenheit

b 6disonc @alileo

d ;one of these

42 he velocit" of light #as first !easured b"

a 6instein

b ;e#tonc Ro!er

d @alileo

43 Aho proposed the che!ical evolution of lifeB

c /aechel

44 he telephone #as invented b"b lexander @raha! 'ell

45 Aho a!ong the follo#ing evolved the concept of relationship bet#een !ass andenerg"B

a 6instein

4 Robert Moch #or1ed on

a uberculosis

49 Aho discovered UranusB


27/35

a /erschel

5 Aho a!ong the follo#ing is associated #ith the invention of co!putersBb 'abbage

;,A6R,

2> c 2+ d 2 a 29 c 3 c38 d 32 a 33 b 34 c 35 a

3> b 3+ b 3 a 39 a 4 b

48 a 42 c 43 c 44 b 45 a

4> d 4+ c 4 a 49 a 5 b8 Ahat is the bod" te!perature of a nor!al !anB

88o&

' 3>9o&& 9>o&

? 28+o&

2 Ahich of the follo#ing helps in clotting of bloodB

Fita!in '8

' Fita!in '2

& Fita!in ?

? Fita!in M

3 otal volu!e of blood in a nor!al adult hu!an being is

5-> liters

' 3-4 liters

& -8 liters? 8-82 liters

4 Red blood corpuscles are for!ed in the

=iver

' 'one !arro#

& Midne"s? /eart

5 /o# !an" bones are there in an adult hu!an beingB

28

' 2>

& 2>


28/35

? 3

> he pancreas secretes


29/35

ransportation of ox"gen

' ?estruction of bacteria

& 7revention of ane!ia? Utili%ation of energ"

83 Ahich of the follo#ing glands secrete tearsB

=achr"!al

' 7ituitar"& h"roid

? 7ancreas

84 Ahich is the largest gland in the hu!an bod"B

h"roid

' =iver

& 7ancreas? ;one of these

85 Ahich is the largest organ in the hu!an bod"B

=iver' /eart

& ,1in

? Midne"

8> person of #hich of the follo#ing blood groups is called a universal donorB

O' '

&

? '

8+ Ahich gland in the hu!an bod" is called the !aster glandB

7ancreas' h"roid

& 7ituitar"

? ,pleen

8 /o# !an" bones are there in a ne#l" born infantB

2>

' 23

& 2

? 3


30/35

89 Ahich of the follo#ing have !axi!u! calorific valueB

&arboh"drates

' Gats

& 7roteins? Fita!ins

2 Ahich of the follo#ing vita!ins pro!ote health" functioning of e"es in hu!anbeingsB

Fita!in '

' Fita!in && Fita!in

? Fita!in ?

28 he average heartbeat per !inute in a nor!al !an is

5' +

&

? 8

22 person #ith #hich of the follo#ing blood groups can receive blood of an" groupB

' '

& '

? O

23 alaria is a disease #hich effects the

/eart

' =ungs

& ,pleen

? Midne"s

24 Ahich of the follo#ing diseases is caused b" virusB

,!all pox

' uberculosis

& alaria? &holera

25 edulla oblongata is a part of hu!an


31/35

/eart

' 'rain

& =iver? ,ex organ

ns#ers

8 b 2 d 3 a 4 b 5 c

> a + c c 9 b 8 b

88 c 82 a 83 a 84 b 85 c8> a 8+ c 8 d 89 a 2 c

28 b 22 b 23 c 24 a 25 b

2> "opia is a disease connected #ith

6ars

' 6"es

& =ungs

? 'rain

2+ =eu1e!ia is a disease of the

=ungs

' 'lood& ,1in

? ;erves

2 ,hort-sightedness can be corrected b" using

&onvex lens

' &oncave lens& &onvex-concave lens

? &oncave-convex lens

29 racho!a is a disease of the

=iver

' 6"es& =ungs

? Midne"s

3 atch the follo#ing

&olu!n < &olu!n


32/35

? ;ight 'lindness 4 Fita!in ?

' & ?

(a) 3 2 8 4

(b) 2 8 3 4

(c) 2 3 4 8

(d) 2 3 8 4

38 "phoid and cholera are t"pical exa!ples of


33/35

& ?iabetes 3 =iver

? rthritis 4 7ancreas

' & ?

(a) 2 3 4 8

(b) 2 3 8 4

(c) 8 3 4 2

(d) 3 2 4 8

3> 'ronchitis is a disease of #hich of the follo#ing organsB

'lood

' 'ladder& =iver

? Respirator" tract

3+ 6&@ is used for the diagnosis of ali!ents of

'rain

' /eart

& Midne"s

? =ungs

3 'iops" is done on

issues ta1en fro! a dead bod"

' issues ta1en for! a living bod"

& 'lood fro! veins? 'lood fro! arteries

39 'ariu! is used for

&hec1ing blood group

' N-ra" of ali!entar" canal

& N-ra" of brain? ;one of these

4 ?ial"sis is used for the treat!ent of

Midne" failure

' /eart #ea1ness

& 'rain diseases


34/35

? ;one of these

48


35/35

& uscles

? 'lood

4> Ahich of the follo#ing state!ents is correct

7ul!onar" arter" carries pure blood' 7ul!onar" arter" carries i!pure blood

& 7ul!onar" vein carries i!pure blood

? ;one of these

4+ =ungs are situated in the

bdo!inal cavit"' 7ericardial cavit"

& 'uccal cavit"

? horacic cavit"

4 he hu!an cell contains

44 chro!oso!es

' 4 chro!oso!es

& 4> chro!oso!es? 23 chro!oso!es

49 6n%"!es help in

Respiration

' ?igestion of food

&

=iver

' ,to!ach

& ,!all intestines? =arge intestines

;,A6R,

2> b 2+ b 2 b 29 b 3 c

38 c 32 b 33 b 34 b 35 a3> d 3+ b 3 b 39 b 4 a

48 a 42 c 43 d 44 b 45 a

4> b 4+ d 4 c 49 b 5 c

every day science mcqs from ppsc past papers

Documents