everyday science past papers

8/9/2019 Everyday Science Past Papers

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Reasoning questions

7. A 'clinical death' takes place when: a) there is no pulse b) there is no heart beat c)pupilsare fixed and dilated and there is no reaction to light d) all of aboved) all of above[/Q!"#$

b) "here is no heartbeat.

[/Q!"#$%%. &ro ecological point of view huan beings are taken as: a. decoposers b.consuers( c. producers d. All of thesec. producers[/Q!"#$

b)onsuers

[/Q!"#$%7. *lants can be ade disease resistant b+: a)heat "reatent b)horonetreatent c)colchicine treatent d)breeding with their wild relativesb)horone treatent[/Q!"#$

d)breeding with their wild relative

[/Q!"#$,%. -hich of the following is a seiconductor a) ercur+ b) agnesiu c) silverd) none of thesec) silver[/Q!"#$

d) none of these

[/Q!"#$,0. "he non1 counicable disease is called: a. #ndeic b. Acute c. hronic d.2nnate

c. hronic[/Q!"#$

d)2nnate

[/Q!"#$,7. -hich is not a function of 34 in stoach: a. softening fibrous food eleentsb. prooting foration of pepsin c. killing bacteria ingested with food and drink d.breakdown proteins into peptonesprooting foration of pepsin[/Q!"#$

a. softening fibrous food

[/Q!"#$5,. 2f carbon dioxide is passed through lie water for a long tie 6 the cloud+white colour initiall+ fored ) disappears because of the foration of : a. calciubicarbonateb. calciu h+droxide c. calciu carbonate d. calciu sulphate b. calciuh+droxide[/Q!"#$a. calciu bicarbonate

[/Q!"#$55. *eranent hardness of water is due to the presence of a. calciu bicarbonateb. agnesiu bicarbonate c. calciu sulphate d. sodiu bicarbonate


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[/Q!"#$c. calciu sulphate

[/Q!"#$58. Articles ade of copper and bron9e slowl+ tarnish in air and turn green 6 thegreen colour is due to the foration of : a. copper oxide b. copper sulphide c. copperoxalate d. all of these

[/Q!"#$

a. copper oxide

[/Q!"#$50. leaching powder losses its power on keeping for a long tie because a. itchanges into calciu h+pochlorite b. it changes into calciu chloride and calciu h+droxidec. it absorbs oisture d. it changes into calciu chloride and calciu chlorated. it changes into calciu chloride and calciu chlorate[/Q!"#$

c. it absorbs oisture

[/Q!"#$5;. -hen the elect the best option and fill in the appropriate circle.

%. -ho proposed the concept ?All otion is relative@a. Albert #insteinb. ohn Bepler

c. Calileo Calilied. Done

,. "he field of speciali9ation of faous usli scientist Abu san AlEahi9 was:a. otan+b. Foolog+c. Astrono+d. Done

5. Albatros is:


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a. A sea birdb. A beetlec. A fruitd. Done

8. "he sunlight can reach a depth of GG.. eters in the ocean:a. %==

b. H=c. %,=d. Done

0. "he biggest planet in our solar s+ste is:a. Ienusb. *lutoc. upiterd. Done

;. "he biggest species of the cat fail+ is:a. "igerb. 4ionc. 4eopardd. Done

7. -hich group of anials has heterogaetic fealesa. Joestic fowlb. #arthworc. Kabbitd. Done

H. "he doinant phase of life c+cle in these organis is haploid:a. ossesb. acteriac. *roto9ad. Done

L. "he atosphere of oon consists of:a. L=M 3+drogen6 %=M Ditrogen

b. H=MDitrogen6 ,=M 3+drogenc. ;=M Ditrogen6 8=Minert gasesd. Done

%=. "he cheical nae of ilicon Jioxideb. >tannous !xidec. Aluiniu !xided. Done

%%. -hich onth of calendar +ear can lack a new oona. Jeceberb. &ebruar+c. a+d. Done

%,. Jeuteriu differs fro 3+drogen in having:a. Jifferent atoic nuber but sae atoic weightb. Jifferent atoic nuber and different atoic weightc. >ae atoic nuber and different atoic weightd. Done

%5. !ne of the following is a water soluble vitain:a. Iitain Ab. Iitain J


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c. Iitain Bd. Done

%8. oulob is the scientific unit to easure:a. Ielocit+b. "eperaturec. ass

d. Done

%0. #audi Arabiab. 2tal+c. apand. Done

%;. Anti Jiuretic horone is secreted b+ one of the following glands:a. *ituitar+b. *ancreasc. "h+roidd. Done

%7. asha Ja is to be constructed on:

a. Kiver >utlaEb. Kiver heluc. Kiver henabd. Done

%H. I light falls in the categor+ of:a. 2oni9ing Kadiationsb. Don 2oni9ing Kadiationc. Iisible lightd. Done

%L. "he earth(s GGGGGG.is divided into %0 aEor plates of various si9es:a. esosphereb. >tratospherec. 4ithosphere

d. Done

,=. !ne of these scientists forulated basic laws of Ceoetr+:a. *+thagorusb. Archiedesc. Aristotled. Done

,%. *hosphorus is an essential coponent of one of the following biological olecules:a. Aino acidsb. Ducleic acidsc. arboh+dratesd. Done

,,. 3e was the first scientist to prove that plants ove around the sun:a. Archiedesb. Calileo Calileic. ohn Beplerd. Done

,5. Ato is ade up of ........... different kinds of subatoic particles:a. "hreeb. "woc. &ourd. Done


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,8. raniu is best used as nuclear fuel in one of the following fors:a. ,50b. ,57c. ,5Hd. Done

,0. "he alpha particles are copact clusters of:a. #lectron and *rotonb. "wo *rotons and two Deutronsc. "hree protons and three Deutronsd. Done

,;. "he eta particles are fast ovinga. *rotonsb. #lectronsc. Deutronsd. Done

,7. !ne of the following countries produces axiu energ+ fro atoic reactors:a. &ranceb. >A

c. Bd. none

,H. "he unit to easure the ulphurd. none

58. An area of icrobiolog+ that is concerned with the occurence of disease in huan population isa. 2unolog+


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b. *aracitolog+c. #pideiolog+d. none

50. "he nuber of electrons of a neutral ato is autoaticall+ known if one knows the:a. Atoic nuberb. Atoic weight

c. Duber of orbitalsd. none

5;. -hich of the following is not an en9+ea. heotr+psinb. >ecretinc. *epsind. none

57. 2t is ipossible for a t+pe of !N bab+ to have a t+pe of .............. other:a. A1b. !1c. !Nd. none

5H. >eru if blood plasa inus its:a. alciu ionsb. lotting proteinsc. Clobulinsd. none

5L. "he autonoic nervous s+ste innervates all of these except:a. ardiac usclesb. >keletal usclesc. >ooth usclesd. none

8=. "he daage to the .............. nerve could result in the defect of the e+e oveent:a. !pticb. "rigeinal

c. Abducensd. none

8%. -hich of these is not a region of the spinal corda. "horacicb. *elvicc. 4ubard. none

8,. "he shape of the external ear is due to:a. #lastic cartilageb. &ibrocartilagec. Articular cartilaged. none

85. "he external surface of the stoach is covered b+a. ucosab. >erosac. *arietal peritoneud. none

88. -hich of the following is not a huan organ s+stea. 2nteguentar+b. uscularc. #pithelical


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d. none

80. -hich of the following does not var+ predictabl+ with the depth of the aalinit+b. "eperaturec. *enetration b+ sunlightd. none

8;. "he tratospherec. 4ithosphered. none

8H. Iaccination is s+nono+ous with .............. iunit+.

a. Datural activeb. Artificial passivec. Artificial actived. none

8L. -hen a patient's iune s+ste becoes reactive to a drug6 this is an exaple of:a. >uper infectionb. Jrug resistancec. Allerg+d. none

0=. -hat is the sallest unit of heredit+a. hroosoesb. Cenec. Ducleotides

d. none

Part-II

Attept onl+ &2I# Questions

Q.No.2.(a)?"he flood disaster in *akistan is caused b+ the follies of [email protected] 0)(b)>tate the essage of ?"he #arth 3our oveent@. 0)

Q.No.3. (a) *orifera is an ancient group of anials fro abrian period. -hat is the cause of theirsurvival/success 0)(b) 3ow heav+ water differs fro ordinar+ water and what is its use in Atoic Keactor 0)

Q.No.4.-hat part do antibiodies pla+ in allergic reaction 3ow vaccination can be helpful in its

control/prevention %=)

Q.No.5. (a)Jifferentiate between Kenewable and Don1renewable sources of energ+. Cive exaples of eachone of the. 0)(b)-h+ Duclear #nerg+ is being preferred in developed countries and wh+ are we lagging behind in thisiportant source of energ+ 0)

Q.No.6. (a)-hat is Danotechnolog+ and what are its use 0)(b)riefl+ explain the differences between heotherap+ and Kadiotherap+. 0)

Q.No.7.-rite oprehensive note on:


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(a)4A>#K and their use 0)(b)!*"2 &2K#> and their iportance in odern teleco s+ste 0)

Q.No.8.-rite all that +ou know about *esticides. 3ow are the+ classified b+ agronoists %=)

Q.No.9.-rite note on:(a)iotechnolog+ 0)

(b)Clobal -aring 0)

"hough 2 did not appeared but paper looks


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80 a not sure

8; a not sure

87 b

8H b

8L c

0= b

!KK#"2!D> AK# -#4!#

,;. eta particles are fast oving electrons

*lease look it again6b is the right option

c is correct answer

PART II

Q2:-rite briefl+ about two or ore aEor achieveents of each of the following two faous usliscientists:1a) Abu Abdullah ohaad in usa Al Bhwari9i (05)b)Abu Ali Al 3assan 2bn Al 3assan Al 3a+tha (05)

Q3:

a) 4ist four or ore ph+sical characteristics of the #arth. (05)(b)riefl+ explain how seasons and ocean tides are produced on the #arth (05)

Q4:

(a)Ier+ briefl+ explain the difference between #arthedientar+ and etaorphic rocks. (05)

Q5:

(a) Ier+ briefl+ explain the difference between an 2nsulator6 a onductor6 a >eiconductor and a>uperconductor. (05)(b)riefl+ explain the difference between a 4A>#K and a *hotovoltaic ell. (05)

Q6:(a) riefl+ explain the difference between an Antibiotic6 an Antiviral Jrug6 a *esticide and a Iaccine. (05)(b)4ist an+ two of the three things that the K vaccine protects against. 4ist an+ two other vaccines givento children. (05)

Q7:

(a)riefl+ explain how *hotos+nthesis works (05)(b)riefl+ explain the Ditrogen +cle in nature. (05)

Q8: (a)Jifferentiate between the following: (05)

JDA

KDA essenger KDA)

*roteins


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(b)#xplain how JDA6 KDA and *roteins are interrelated to each other (05)

Q9

a) #xplain what is ean b+ a alanced Jiet (05)

b)Cive the aEor function of the following icronutrients:

Iitain A6 Iitain 6 2ron6 alciu and 2odine. (05)

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5L) A4# !IA AK#:A) 3A*4!2J

) J2*4!2J) "K2*4!2JJ) D!D# !& "3#>#

8=) -323 !& "3# &!44!-2DC 2> D!" A *AK" !& JDAA) "3O2D#) AJ#D2D#) K2!>#J) D!D# !& "3#>#

8%) -323 !& "3# &!44!-2DC 2> A 4A#4#J A> ?C!!J 3!4#>"#K!4@ &!K 3AD>A) 32C31J#D>2"O 42*!*K!"#2D111111111111113J4) 4!- J#D>2"O 42*!*K!"#2D111111111111111 4J4) I#KO 4!- J#D>2"O 42*!*K!"#2D 111111I4J4J) D!D# !& "3#>#

8,) -323 !& "3# &!44!-2DC 2> A 2D"2!> J2>#A>#A) J#A&D#>>) 42DJD#>>) A4JD#>>J) D!D# !& "3#>#

85) -323 !& "3# &!44!-2DC 2> A D!D #>>#D"2A4 A2D! A2JA) A42D#) #"3#DA2D#) "OK!>2D#J) D!D# !& "3#>#

88) >"AK"2DC &K! 32C3#K 3!!># "3# !KK#" >#Q#D# !& !4#4#> 2D !KJ#K !& #D#KCOO#24J2DC

A) >CAK6&A">6*K!"#2D) *K!"#2D6>CAK6&A">) &A">6>CAK6*K!"#2DJ) D!D# !& "3#>#

80) -323 !& "3# &!44!-2DC 2> D!" A *AK" !& *K!"#2DA) C4"A2 A2J) >4*3K2 A2J) A>*AK"2 A2JJ) D!D# !& "3#>#

8;) "3# 32C3#>" >!K# !& !#CA15 &A""O A2J 2>A) &2>3 !24) !KD !24) >D&4!-#K !24J) D!D# !& "3#>#

87) -323 !& "3# &!44!-2DC CA> 2> #>>#D"2A4 &!K 3ADA) AK!D J2!P2J#) D2"K!C#D) !POC#DJ) D!D# !& "3#>#

8H) *K!"#2D> AK# AJ# * !&A) *!4OD4#!"2J#


15/57

) *!4O*#*"2J#) *!4OA#"O4#D#J) D!D# !& "3#>#

8L. >che9ophrenia is aental desease

0=. -hich of the following are founded in the nucleusa) l+sosoesb) Schroosoesc) ribosoesd) none of these

Object!e Part o" 20##

%. "he planet of the solar s+ste which has axiu nubers of oon is:

a) upiter

b) Ienusc) >aturnd) ranuse) Done of these

,. >un is a:

a) *lanetb) oetc) >atellited) Aurorae) Done of these

5. the age of the solar s+ste is

a) 8.0 billion +earsb) 0.0 billion +earsc) ;.0 billion +earsd) 7.0 billion +earse) Done of these

8. A unit of length e


16/57

b) 2nfrared ra+sc) Caa ra+sd) radioactive ra+se) Done of these

7. "he o9one la+er is present about 5=iles 0=k) in atosphere above earth. "he stratu la+er) ofatosphere in which o9one la+er lies is called as:

a) #xosphereb) esospherec) >tratosphered) ionospheree) "roposphere

H. -hich rocks are fored b+ the alteration of pre1existing rocks b+ great heat or pressure

a) 2gneous rocksb) >edientar+ rocksc) etaorphic rocksd) Acid rockse) asic rocks

L. "he ost abundant natural 2ron oxides are

a) agnetite and *+riteb) agnetite and auxitec) 3eatite and *+rited) 3eatite and agnetitee) 3eatite and auxite

%=."he ost abundant eleents in sea water are

a) >odiu and *otassiub) >odiu and alciuc) >odiu and hlorined) hlorine and 2odinee) agnesiu and >ulphur

%%. An electric current can produce

a) heical effectb) agnetic effectc) 3eating effectd) All of these threee) Done of these

%,. "he unit of hoe electricit+ energ+ consuption is:

a) -att hourb) Bilowatt hourc) oule hourd) BiloEoule houre) Done of these

%5. "he agnet alwa+s points in the sae direction6 if ove freel+ i.e. towards north and south poles6because of:

a) Cravitational fieldb) A lot of etals deposits on north and south polesc) Jue to attraction of north pole and repulsion of -estern poled) #arth is a huge agnete) Done of these


17/57


18/57

c) onduction currents occur onl+ in li


19/57

a) >+nthetic rubberb) D+lonc) ellulosed) *roteine) Done of these.

5=. "elephone was invented in %H7; in Aerica b+:

a) arconib) Calileoc) ohn eardd) #disone) Craha ell.

5%. 2nforation can be sent over long distances in the for of:

a) #lectrical signals through wiresb) 4ight signals through optical fibresc) Kadio waves through aird) An+ cobination of these three.e) Done of these

5,. 2nforation can be stored in:

a) Audio and video cassettesb) &lopp+ and copact discsc) 3ard disksd) 4aser and optical diskse) All of these four

55.oputers can:

a) Add and subtract inforation onl+.b) Add subtract and sort inforation onl+.c) Add subtract sort and classif+ inforation.d) Add and subtract but cannot sort inforation.e) Add subtract and sort but cannot classif+ inforation.

58.2 stands for:

a) 2nternational usiness achinesb) 2nternational ig achinesc) 2nterrelated usiness achinesd) 2nterrelated ig achinese) Done of these.

50. heicals used to kill weeds are called as:

a) 2nsecticidesb) &ungicidesc) 3erbicidesd) &uigantse) Done of these.

5;. "he c+toplas consists of several t+pes of structures6 which are called:

a) *rotoplasb) Ducleusc) +tochroesd) !rganellese) Done of these.


20/57

57. "he structure of JDA was elaborated b+ -atson and rick in:

a) %L=Lb) %L,5c) %L80d) %L05e) Done of these.

5H. 2n a JDA olecules6 the rulefor base pairing is:

a) Adenine alwa+s bound with th+ine and c+tosine with guanineb) Adenine alwa+s bound with c+tosine and th+ine with guaninec) Adenine alwa+s bound with guanine and c+tosine with th+ined) Adenine alwa+s bound with uracil and c+tosine with guaninee) Done of these.

5L. an belongs to the fail+:

a) &elidaeb) 3oinidaec) aaliad) *riataceae

e) Done of these.

8=. Jeficienc+ of vitain in huan bod+ causes a deficienc+ disease called:

a) eriberib) Dight blindnessc) Kicketsd) >curv+e) Done of these.

8%. "o easure the specific gravit+ of ilk6 the instruent used is:

a) 3+groeterb) aroeterc) 4actoeter

d) 3+droetere) Done of these.

8,. one of the fundaental characteristics of living organiss is:

a) *hotos+nthesisb) Jigestionc) #xcretiond) etabolise) Done of these.

85. *lants growing on other plants are called as:

a) >aproph+tesb) *arasitesc) #piph+tesd) *athogense) Done of these.

88. As per eating habit6 s


21/57

e) 2nsectivorous.

80. -ater loss fro leaves through stoata is called as:

a) #vaporationb) "ranspirationc) #vapo1"ranspiration

d) Kespiratione) Done of these.

8;. the stud+ of how plants and anials interact with one another and with the non1living environent iscalled as:

a) #cos+steb) >ociolog+c) #colog+d) 3abitate) Done of these.

87. "he nuber of bines in huan bod+ is:

a) ,==

b) ,=,c) ,=8d) ,=;e) Done of these.

8H. Dervous s+ste in huan consists of:

a) rain and spinal cord.b) rain and nerves.c) >pinal cord and nerves.d) rain6 spinal cord and nerves.e) Done of these.

8L. 2n huan e+e6 the light sensitive la+er ade of speciali9es nerve cells6 rods and cones is called as:

a) "he pupilb) "he corneac) "he sclerad) "he irise) "he retina.

0=. #r+throc+tes are also called as:

a) Ked blood cellsb) -hite blood cellsc) *lateletsd) *lasae) Done of these

PART II

Q,: -rite a short note on the following usli scientists b+ giving their exact life span and contribution tothe field of science:1a) abar1bin13a+an b) u Ali >ina

Q5: Jifferentiate between an+ &ive of the following pairs:1a) "+phoons and "ornadoes b) icroscope and "elescope c) ltrasonics and 2nfrasonics d) 3ard water and3eav+ water e) 2sotopes and 2soers f) Antibodies and Antibiotic g) Antigens and Iaccine

Q8: a) -hat is galax+ "he #arth belongs to which galax+


22/57

b) riefl+ describe what is big bang theor+.c) Jo +ou think that *luto is still ninth planet of our solar s+ste 2f +es6 how and if not wh+

Q0: a) asicall+ how an+ fors of energ+ are there Also nae these.b) #nlist different t+pes of energ+.c) -hat is renewable energ+ source Quote three exaples of renewable energ+ sources.

Q;: 2s plastic a natural or an artificial pol+er Jescribe various t+pes of plastics and their uses.

Q7: a) -hat do the following abbreviations stand fori) 4AD ii) 3""* iii) 3"4 iv) *J& v) K4b) Jifferentiate between natural and artificial >atellite. &or what purpose artificial satellites are used

QH: a) -hat is the ain function of:i) Kibosoe ii) itochondria iii) 4+sosoes iv) hloroplastsv) Colgiapparatus .b) Cive habitats of following anials:i) Kattle >nake ii) !strich iii) *lat+pus iv) Khinoceros v) hipan9ee.

QL -rite note on the following:1a) Ducleic acids b) &ertili9ers c) >eiconductors d) icrowave oven e)2nternet

PART-#($%Q&)%O$P'OR*

Q+e&to, #. eect te be&t o/to, a, " , te a//ro/rate 1o o, te a,&er &eet: (50 $ar&)

%. -ater is heated in a kettle. "he inside water is heated b+ convection. A person sitting near the firereceives heat b+ :

a) onduction

b) onvectionc) Kadiationd) Keflectione) Done of these

,. A tie can coe when we will be able to design a achine which can go on working for ever without theexpenditure of energ+. 2s it possible

a) Dob) Oesc) 2n due course tied) Ier+ soone) Done of these

5. "he easureent of rainfall is ade b+ an instruent known as :

a) 3+droeterb) aroeterc) 3+groeterd) *edoetere) Done of these

8. 4ight +ear is a unit of :

a) Jistance


23/57

b) "ie *eriodc) 4ight intensit+d) "iee) none of these

0. "hree eleents needed for the health+ growth of plants are :

a) D6*6Bb) D66*c) D6B6d) D6>6*e) none of these

;.opper can be converted into gold b+ :

a) 3eatingb) Artificial Kadioactivit+c) #lectroplatingd) heical reactione) Done of these

7. 2n winter an iron pipe feel colder than a wooden window . "his is because wood is :

a) onductorb) non1onductorc) >ei1 onductord) Dot a solid while iron is a solide) Done of these

H. "he echo reflected sound) will be distinctl+ heard onl+ at ordinar+ teperatures if the distance of thereflecting surfaces fro the source of sound is at least :

a) %%,= ftb) %,= ftc) 0;fftd) %== fte) Done of these

L. 2t is possible to recogni9e a person in the dark b+ sipl+ hearing his uni


24/57

e) Done of these

%,. "he principle used in radar is the sae as that of >onar. 2n radar we use radio waves U whereas in sonarwe use :

A) red wavesb) 2nfrared waves

c) ltrasonicd) super sonice) Done of these

%5. 2n a fission nuclear reaction 6 a heav+ nucleus breaks up into saller nuclei whereas in another nuclearreaction two or ore than two possibl+ nuclei are fused to for a heav+ nucleus "his nuclear reaction iscalled :

a) heical Keactionb) Duclear reactionc) &ission nuclear reactiond) &usion nuclear reactione) Done of these

%8. *arsec is a unit of :

a) #nerg+b) "iec) *owerd) Jistancee) Done of these

%0. Ceran >ilver is an allo+ of:

A) Fn N Dib) u N Fnc) u N Did) u N >ne) Done of these

%;. "he ontinent Antarctica lies at the:

a) Dorth pole b) >outh pole c) iddle of the earth d) #


25/57

c) Jistanced) asse) Done of these

,=. "he deepest place on earth is :

a) "rench

b) ariana "rench) angroved) Croovee) Done of these

,%. "winkling of stars is caused b+ :

a) Keflection of lightb) *olari9ation of lightc) refraction of lightd) 2nterference of lighte) Done of these

,,. agnif+ing power of a siple icroscope can be increased b+ :

a) increasing focal length of the lensb) Jecreasing focal length of the lensc) 4ens of large apertured) lens of short aperturee) Done of these

,5. ron9e edal is ade up of etal :

a) opper 6 Fincb) opper 6 Dicklec) oppe8r 6 "ind) >opper 6 >ilver

,8. !ne of the countries through which e


26/57

device used to detect :

a) urrentb) Ioltage) nuclear Kadiationd) powere) Done of these

,H. A bod+ can escape the gravitational pull of the earth if it is thrown up with a velocit+ of:

a) ,0 iles per secb ) ;= iles per secc) 7 iles per secd) %= iles per sece) Done of these

,L. Dight vision is possible with the help of :

a) Ked lightb) Iiolet lightc) 2nfrared Ka+sd) ltra violet 4ight

e) Done of these

5=. +opia is a defect of huan e+e. it can be corrected b+ using a lens called :

a) onvex lensb) oncave lensc) +lindrical lensd) *lano convex lense) Done of these

5%. -alnuts can be broken in the hand b+ s


27/57

d) >peciali9ede) Done of these

50. #volution can be described as :

a) A continuing processb) A catastrophic event in the past

c) >taticd) "he attaining of an ideal t+pee) Done of these

5;. -hat is the onl+ source of new alleles

a) rossing overb) independent assortentc) utationd) &ertili9atione) Done of these

57. *ol+genic characteristic are controlled b+ :

a) Joinant genes

b) Kecessive genesc) ultiple genesd) utated genese) Done of these

5H. -hich of the following 6 lists the four stages of food processing in order

a) ingestion 6 digestion 6 absorption 6 eliinationb) digestion 6 ingestion 6 absorption 6 eliinationc) ingestion 6 absorption 6 eliination 6 digestiond) absorption 6 digestion 6 ingestion 6 eliinatione) Done of these

5L. 2n huans 6 ost nutrient olecules are absorbed b+ the :

a) sall intestineb) stoachc) liverd) large intestinee) Done of these

8=. "he energ+ needed to fuel essential bod+ processes is called :

a) #ssential nutrient levelb) asal etabolisc) Done of thesed) recoended dail+ allowancee) !ptiu energ+ intake

8%. -hich of the following is an organic olecule needed b+ the bod+ in sall aounts

a) *roteinb) Iitain c) Fincd) onosaccharidee) Done of these

8,. 2nhaled air passes through which of the following in the last

a) ronchiole


28/57

b) 4ar+nxc) *har+nxd) "racheae) Done of these

85. -hich of the following is a for of sexual reproduction

a) 3eraphroditis) &issionc) &ragentationd) uddinge) Done of these

88. obalt is a aterial which is :

a) >trongl+ attracted b+ a agnet) Dot attracted b+ a agnetc) not a agnetd) -eakl+ attracted b+ a agnete) Done of these

80. 4aughing gas has cheical coposition of the following two eleents which are :

a) Ditrogen N 3+drogenb) Ditrogen N arbonc) Ditrogen N ox+gend) !x+gen N arbone) Done of these

8;. 3epatitis A is transitted to different individuals b+ :

a) -aterb) >nee9ingc) >pitd) &oecese) Done of these

87. "he unit that coordinates different devices of the coputer s+ste is :

a) A4b)Kegisterc) ontrol unitd) 4ogical instructione) Done of these

8H. "he ost abundant eleent present is in the huan bod+ is :

a) Ditrogenb) !x+genc) arbond) 3+drogene) Done of these

8L. ancer can be treated b+ :

a) Antibiotics and vaccinesb) Kadiotherap+ and antibodiesc) heotherap+ and radiotherap+d) Antibodies and cheotherap+e) Done of these

0=. Anials obtain carbon dioxide ainl+ fro :


29/57

a) >tarchb) >ucrosec) Clucosed) Cl+cogene) Done of these

Part - 2

Atte/t o, "!e +e&to,&. A +e&to,& carr e+a ar&. (50 $ar&)

Q+e&to, 02 :-rite shot note on the following b+ giving their exact life span and contributions to thefield of science. Accurate fact will be appreciated) %=)

a) Al1 erunib) 2bn1 al 1 3aitha

Q+e&to, 03:-hat do +ou know about hereditar+ disease oent how the+ are transferred froparents to offsprings %=)

Q+e&to, 04: -rite briefl+ an+ five of the following: Answer in three or four sentences) %=)

a) *laster of *arisb) Keflex Actionc) *ace akerd) >wine fluee) icrowave ovenf) 2nternetg) Ioltage >tabili9er

Q+e&to, 05:A) -hat is global waring 2s there an+ a sunn+ side to global waring 2f +es 6 explain. 0)) -hat akes the seasons happen 0)

Q+e&to, 06:2n which region of the world 6 the following anials are found Cive two ain

characteristics of each. %=)

a) lind dolphinb) Bangarooc) pandad) Biwie) *enguin

Q+e&to, 07:

A) 2n which organ these parts are present in anials or huan bod+ 0)) Jescribe the function of each briefl+ : 0)

%. oronar+ arter+

,. >ino1 Auricular Dode

5. Aortic valve

8. Auricle

Q+e&to, 08: Jifferentiate between the following pairs:

a) 3+droeter and 3+groeter


30/57

b) *erieter and "eleeterc) 2sotopes and 2soersd) &l+ing aal and irde) Iertebrates and 2nvertebrates

Q+e&to, 09:

A) -hat are pesticides #xplain how these are dangerous to huan beings

) -hat do the following scientific abbreviations stand for

%) >"*,) 4!KAD5) >!DAK8) A&0) eI;) A>#K7) A-A>H) "I

%. -ater is heated in a kettle. "e inside water is heated b+ convection. A person sitting near the fire receivesheat b+ :

a) onduction

b) %o,!ecto,c) Kadiationd) Keflectione) Done of these

,. A tie can coe when we will be able to design a achine which can go on working for ever without theexpenditure of energ+. 2s it possible

a) Nob) Oesc) 2n due course tied) Ier+ soone) Done of these

5. "he easureent of rainfall is ade b+ an instruent known as :

a) 3+droeterb) aroeterc) 3+groeterd) *edoetere) No,e o" te&e

8. 4ight +ear is a unit of :

a) Jistanceb) Te Peroc) 4ight intensit+d) "iee) none of these

0. "hree eleents needed for the health+ growth of plants are :

a) D6*6Bb) D66*c) D6B6d) D6>6*e) none of these

;.opper can be converted into gold b+ :


31/57

a) 3eatingb) Art"ca Raoact!tc) #lectroplatingd) heical reactione) Done of these

7. 2n winter an iron pipe feel colder than a wooden window . "his is because wood is :

a) onductorb) ,o,-%o,+ctorc) >ei1 onductord) Dot a solid while iron is a solide) Done of these

H. "he echo reflected sound) will be distinctl+ heard onl+ at ordinar+ teperatures if the distance of thereflecting surfaces fro the source of sound is at least :

a) %%,= ftb) %,= ftc) 56""td) %== fte) Done of these

L. 2t is possible to recogni9e a person in the dark b+ sipl+ hearing his uni


32/57

a) heical Keactionb) Duclear reactionc) &ission nuclear reactiond)+&o, ,+cear reacto,e) Done of these

%8. *arsec is a unit of :

a) #nerg+b) "iec) *owerd) ;&ta,cee) Done of these

%0. Ceran >ilver is an allo+ of:

A) Fn N Dib) u N Fnc) u N Did) u N >ne) No,e o" te&e

%;. "he ontinent Antarctica lies at the:

a) Dorth pole b) o+t /oec) iddle of the earth d) #


33/57

b) *olari9ation of lightc) re"racto, o" =td) 2nterference of lighte) Done of these

,,. agnif+ing power of a siple icroscope can be increased b+ :

a) ,crea&,= "oca e,=t o" te e,&b) Jecreasing focal length of the lensc) 4ens of large apertured) lens of short aperturee) Done of these

,5. ron9e edal is ade up of etal :

a) opper 6 Fincb) opper 6 Dicklec) %o//e4r > T,d) >opper 6 >ilver

,8. !ne of the countries through which e


34/57

,L. Dight vision is possible with the help of :

a) Re =tb) Iiolet lightc) 2nfrared Ka+sd) ltra violet 4ight

e) Done of these

5=. +opia is a defect of huan e+e. it can be corrected b+ using a lens called :

a) onvex lensb) oncave lensc) %,rca e,&d) *lano convex lense) Done of these

5%. -alnuts can be broken in the hand b+ speciali9ede) Done of these

50. #volution can be described as :

a) A continuing processb) A catastrophic event in the pastc) >taticd) Te atta,,= o" a, ea t/ee) Done of these

5;. -hat is the onl+ source of new alleles

a) rossing overb) independent assortent


35/57

c) $+tato,d) &ertili9atione) Done of these

57. *ol+genic characteristic are controlled b+ :

a) ;o,a,t =e,e&

b) Kecessive genesc) ultiple genesd) utated genese) Done of these

5H. -hich of the following 6 lists the four stages of food processing in order

a),=e&to, > =e&to, > ab&or/to, > e,ato,b) digestion 6 ingestion 6 absorption 6 eliinationc) ingestion 6 absorption 6 eliination 6 digestiond) absorption 6 digestion 6 ingestion 6 eliinatione) Done of these

5L. 2n huans 6 ost nutrient olecules are absorbed b+ the :

a) &a ,te&t,eb) stoachc) liverd) large intestinee) Done of these

8=. "he energ+ needed to fuel essential bod+ processes is called :

a) #ssential nutrient levelb) asal etabolisc) Done of thesed) recoended dail+ allowancee) !ptiu energ+ intake

8%. -hich of the following is an organic olecule needed b+ the bod+ in sall aounts

a) *roteinb) Iitain c) Fincd) $o,o&accaree) Done of these

8,. 2nhaled air passes through which of the following in the last

a) ronchioleb) 4ar+nxc) *har+nxd) "racheae) Done of these

85. -hich of the following is a for of sexual reproduction

a) @era/rot&) &issionc) &ragentationd) uddinge) Done of these

88. obalt is a aterial which is :


36/57

a) tro,= attracte b a a=,et) Dot attracted b+ a agnetc) not a agnetd) -eakl+ attracted b+ a agnete) Done of these

80. 4aughing gas has cheical coposition of the following two eleents which are :

a) Ditrogen N 3+drogenb) Ditrogen N arbonc) Ntro=e, o=e,d) !x+gen N arbone) Done of these

8;. 3epatitis A is transitted to different individuals b+ :

a) -aterb) >nee9ingc) >pitd) oece&e) Done of these

87. "he unit that coordinates different devices of the coputer s+ste is :

a) A4b)Kegisterc) ontrol unitd) 4ogical instructione) Done of these

8H. "he ost abundant eleent present is in the huan bod+ is :

a) Ditrogenb) !x+genc) %arbo,d) 3+drogene) Done of these

8L. ancer can be treated b+ :

a) Antibiotics and vaccinesb) Kadiotherap+ and antibodiesc) %eotera/ a, raotera/d) Antibodies and cheotherap+e) Done of these

0=. Anials obtain carbon dioxide ainl+ fro :

a) tarcb) >ucrosec) Clucosed) Cl+cogene) Done of these

%) Kadiation

,) Oes... 2 think

5) Kain gauge

8) Jistance

0) D6*6B

;) heical reaction


37/57

7) non conductor

L) pitch

%=) transparent

%%) ; feet

%,) ltrasonic

%5) &usion nuclear reaction

%8) Jistance 4ength)%0) Fi N Di

%;) >outh pole

%7) 57 Jepends on tie....)

%H) ilk

%L) Done of these &low of water)

,=) ariana trench

Kectifications are cardiall+ invited....

B;BRA P'1I% BRI%B %O$$IION

%O$PBTITIB BCA$INATION ORRB%R'IT$BNT TO POT IN 1P-#7 'N;BR

T@B B;BRA DOBRN$BNT> 2009

DBNBRA ?NOEB;DB PAPBR-I(BBR* ;A* %IBN%B)

TI$B AOEB;:*AK"12) H= 2D"#> AP2 AKB>: 0=*AK"122) 2D"#> AP2 AKB>: 0=

NOTB:i) &irst attept PART-I ($%Q)on separate Answer >heet which shall be taken back after H= inutes.() O!errt,=Fc+tt,= o" te o/to,&Fa,&er& ,ot be =!e, cret.

--------------------------------------------------------------------------

PART G I ($%Q&)(%O$P'OR*)

Q.#. eect te be&t o/to,Fa,&er a, " , te a//ro/rate 1o o, te A,&er eet: (50)

%) *erson with following blood group are considered to be universal recipient.

a. ANb. Nc. ANd. !Ne. Done of these

,) >tud+ of life in outer space is known as:

a. #ndobiolog+


38/57

b. #xobiolog+c. #nterobiolog+d. Deobiolog+e. icro biolog+

5) "he nae of the coon ineral salt present in seat is:

a. alciu !xalateb. *otassiu >ulphatec. >odiu hlorided. 2ron >ulphatee. Done of these

8) >ensitive la+er of the e+e is:

a. horiodsb. >cleroticc. Ketinad. orneae. Done of these

0) 4aughing gas has cheical coposition of following two eleents.

a. Ditrogen N 3+drogenb. Ditrogen N arbonc. Ditrogen N !x+gend. !x+gen N arbone. Done of these

;) Jr. Abdus >ala of *akistan was one of the contributors of the unification of:

a. #lectroagnetic force and gravitational forceb. #lectroagnetic force and weak nuclear forcec. Cravitational force and weak nuclear forced. -eak nuclear force and strong nuclear forcee. Done of these

7) -hich triplet in JDA codes for valine:

a. ""b. ACc. A"d. AA"e. Done of these

H) -hat is the chance of diabetic bab+ born to parents both hetero9+gous noral

a. Ferob. Wc. Xd. Ye. Done of these

L) -hich of the following is not a part of Jarwinis:

a. !ver productionb. Datural selectionc. 2nheritance for ac


39/57

a. Jecopositionb. Kespirationc. Jigestiond. &erentationZe. Done of these

%%) -hich for of drug abuse involves ost risk of infection with the 32I A2J>) virus:

a. igarette sokingb. sing alcholoc. 2nEection of heroined. "aking too uch aspirine. Done of these

%,) &ounder of odern astrono+ was:

a. Archiedesb. -illia Cilbertc. Dicolas opernicusd. ichael &arada+e. Done of these

%5) "he instruent which easures ver+ high teperature is:

a. anoeterb. "herostatc. hronoeterd. *+roetere. Done of these

%8) "he science which deals with stud+ of anners and custos of people is:

a. #thnolog+b. orpholog+c. #thicsd. Cenetics

e. Done of these

%0) heical used to kill rats and ice are:

a. 2nsecticidesb. Kodenticidesc. &ungicidesd. 3erbicidese. Done of these

%;) Jr+ ice is:

a. ethane h+drateb. 4iolid arbon dioxided. &ro9en -atere. Done of these

%7) heical nae of vinegar is:

a. >odiu Ditrate b. Jilute acetic acidc. hloride of lied. alciue. Done of these


40/57

%H) Jefecienc+ of following vitain decreases heoglobin production:

a. iotinb. "hiainec. Diacind. *+ridoxinee. Done of these

%L) 3+groeter is used for easuring the:

a. >peed of soundb. Jensit+ of ilkc. 3uidit+ of aird. >pecific gravit+ of liteelb. Kubberc. Classd. >pongee. Done of these

,,) !rbital period of the planet ercur+ around the sun is:

a. HH da+sb. 5;0 da+sc. , +ears

d. LH da+se. Done of these

,5) "he ost splendid and the ost agnificient constellation on the sk+ is:

a. !rionb. olubiac. anis aEord. "auruse. Done of these

,8) ?lack holes@ refer to:

a. 3ole occurring in heavenl+ bodiesb. right spots on the sunc. ollapsing obEects of high densit+d. ollapsing of low densit+e. Done of these

,0) #ugenics is the stud+ of:

a. Altering huan beings b+ changing their genetic coponentsb. *eople of #uropean regionc. Jifferent races of ankindd. Cenetic of plants


41/57

e. Done of these

,;) "he position of earth in its orbit6 when it is at its greatest distance fro the sun causing northernsuer is called:

a. Aphelionb. *erihelion

c. *erigeed. Apogeee. Done of these

,7) Jiaond is a ver+ expensive ornaent. 2t is coposed of a single eleent:

a. arbonb. Coldc. >ilverd. *latinue. Done of these

,H) -hich of the following la+ers ake radio transission possible

a. "roposphere

b. 2onospherec. esosphered. >tratospheree. Done of these

,L) -hich of the following explains the reason wh+ there is no total eclipse of the sun

a. >i9e of the earth in relation to that of oonb. !rbit of oon around earthc. Jirection of rotation of earth around sund. Area of the sun covered b+ the oone. Done of these

5=) "elevision signals are converted into light signals b+:

a. !ptical fiberb. "ransistorc. Jecoderd. *hoto diodee. Done of these

5%) -here do ost of Asteroids lie

a. 2n asteroid belt between the orbits of ars and upiterb. 2n asteroid belt between the orbits of ars and Ienusc. 2n asteroid belt between the orbits of upiter and Ienusd. #ver+where in the sk+e. Done of these

5,) "he nuber of spark plugs needed in a diesel engine is:

a. ,b. 5c. =d. 8e. Done of these

55) "he half life of a radioactive eleent is H1da+s. 3ow long it take to reduce it fro %= g to 0 g

a. 8 da+s


42/57

b. %, da+sc. %; da+sd. H da+se. Done of these

58) "he ter lue >hift( is used to indicate:

a. Joppler effect in which an obEect appears bluer when it is oving towards the observer or observer isoving towards the obEect.b. "urning a star fro white to bluec. 2n future sun would becoe blued. lack hole was blue at its starte. Done of these

50) Bilowatt1hour is a unit of:

a. *owerb. #lectric urrentc. #nerg+d. "iee. Done of these

5;) &uel used in a &ast reeder Keactor is:

a. raniu !xideb. raniu *lutoniu carbidec. raniu *lutoniu !xided. raniu thoriu !xidee. Done of these

57) onsoon is caused b+:

a. >easonal reversal of windsb. Kevolution of earthc. oveent of cloudsd. Kise in teperaturee. Kain forests

5H) -hich of the following atospheric la+ers help in radio counication

a. #xosphereb. 2onospherec. "roposphered. >tratospheree. !9one la+er

5L) A oderator is used in nuclear reactor in order to:

a. Accelerate the neutronsb. >low down the speed of the neutronsc. 2ncrease the nuber of electionsd. Jecrease the nuber of electronse. Done of these

8=) >edientar+ rocks are:

a. *orousb. 3ardc. Koughd. rittlee. Iolcanic


43/57

8%) -hich one of the following is a non1etallic ineral

a. anganeseb. agnesiuc. C+psud. auxitee. Done of these

8,) !9one la+er prevents the following radiation fro entering the atosphere:

a. 2nfra1redb. ltravioletc. P1ra+sd. Caa ra+se. Done of these

85) "he phenoenon of Aurora orealis6 the displa+ of red and green lights in northern heisphere is dueto radiations fro:

a. 2onosphereb. "ropospherec. esosphere

d. >tratospheree. Done of these

88) Oeast is used in aking bread because it produces:

a. arbon dioxideb. >ugarc. acteriad. !x+gene. Done of these

80) !asis is associated with:

a. Claciersb. Jesert

c. 2slands or 4ast 2slandd. Iolcanoese. &ertile land

8;) Quart9 cr+stal in tark effectc. "herionic effectd. *ie9o1electric effecte. Done of these

87) "he fruits without seed6 like banana6 are called:

a. seedless fruitsb. parthenogenesis fruitsc. parthenocarpic fruitsd. placental fruitse. !rganic fruits

8H) Anial which captures and readil+ kills living anials for its food is called:

a. *arasiteb. >cavenger


44/57

c. *redator \ not or oderatord. aale. Done of these

8L) 2n a railwa+ track6 two rails are Eoined end to end with a gap tin between the because:

a. >teel can be savedb. Accidents due to contraction in winter can be avoidedc. Air gaps are necessar+ for bearing the weight of running traind. Accidents due to expansion in suer can be avoidede. All of these

0=) Dae the faous book of 2bn1>ina in which he discussed huan ph+siolog+ and edicine:

a. Al1Qanoonb. Al1asudic. Dew Kenaissanced. "adhkirae. Done of these

PART G II (+bject!e)

NOTB:

i) Attept ON* IB


45/57

i) "he lovel+ Jiaond King effect

E) &uture of sun

Q.5.-rite briefl+ not ore than three to four senetences) about ADO &2I# of the following: (25)

a)Allotrop+

b) Debulac) #nrichent of raniu

d) A!DAK ii. D> iii. *" iv. 4J4 v. >AK> vi. C" vii. A>2 viii. "

Q.7.a) -hat are $INBRA Jiscuss AN* TEOph+sical properties thereof. Also ention the naes offour precious inerals of high coercial value.

b) Jefine the following: (# eac)

a) Aphibion b) >+nchronous satellite c) ig Jipper d) &erentation e) illenniu ug

Q.8.a) Jefine RB%BPTORin an. Dae different receptor organs in huan bod+. Also discuss AN*

TEOof the briefl+.

b). Cive >cientific reasons of the following: (# eac)

i. "he dogs pant6 the birds open their outh and the elephants ove rapidl+ their ears.

ii. "he anholes covers are generall+ round.iii. A geostationar+ satellite appears standstill to a viewer on the e


46/57

d. !Ne. No,e o" te&e

The AB+ group is considered to be universal recipient

,) >tud+ of life in outer space is known as:

a. #ndobiolog+b. Boboo=c. #nterobiolog+d. Deobiolog+e. icro biolog+

5) "he nae of the coon ineral salt present in seat is:

a. alciu !xalateb. *otassiu >ulphatec. >odiu hlorided. 2ron >ulphatee. Done of these

8) >ensitive la+er of the e+e is:

a. horiodsb. >cleroticc. Ret,a

d. orneae. Done of these

0) 4aughing gas has cheical coposition of following two eleents.

a. Ditrogen N 3+drogenb. Ditrogen N arbonc. Ntro=e, O=e,

d. !x+gen N arbone. Done of these

;) Jr. Abdus >ala of *akistan was one of the contributors of the unification of:

a. #lectroagnetic force and gravitational forceb. Bectroa=,etc "orce a, ea ,+cear "orce

c. Cravitational force and weak nuclear forced. -eak nuclear force and strong nuclear forcee. Done of these

7) -hich triplet in JDA codes for valine:

a. ""b. ACc. A"d. AA"e. No,e o" te&e

H) -hat is the chance of diabetic bab+ born to parents both hetero9+gous noral

a. Ferob. Wc. Xd. Ye. Done of these

L) -hich of the following is not a part of Jarwinis:


47/57

a. O!er /ro+cto,

b. Datural selectionc. 2nheritance for ac) virus:

a. igarette sokingb. sing alcholoc. 2nEection of heroined. "aking too uch aspirine. Done of these

%,) &ounder of odern astrono+ was:

a. Archiedesb. -illia Cilbertc. Ncoa& %o/er,c+&

d. ichael &arada+e. Done of these

%5) "he instruent which easures ver+ high teperature is:

a. anoeterb. "herostatc. hronoeter. Proeter

e. Done of these

%8) "he science which deals with stud+ of anners and custos of people is:

a. Bt,oo=branch of anthropolog+)b. orpholog+c. #thicsd. Ceneticse. Done of these

%0) heical used to kill rats and ice are:

a. 2nsecticidesb. Roe,tce&

c. &ungicidesd. 3erbicidese. Done of these

%;) Jr+ ice is:

a. ethane h+drateb. 4i


48/57

%7) heical nae of vinegar is:

a. >odiu Ditrateb. ;+te acetc acc. hloride of lied. alciu

e. Done of these

%H) Jefecienc+ of following vitain decreases heoglobin production:

a. iotinb. "hiainec. Diacin. Pro,eknown as Iitain ;6 causes aneia i.e. deficienc+ of heoglobin)e. Done of these

%L) 3+groeter is used for easuring the:

a. >peed of soundb. Jensit+ of ilkc. @+t o" ar

d. >pecific gravit+ of li


49/57

d. ollapsing of low densit+e. Done of these

,0) #ugenics is the stud+ of:

a. Ater,= +a, be,=& b ca,=,= ter =e,etc co/o,e,t&close to the actual definition)b. *eople of #uropean region

c. Jifferent races of ankindd. Cenetic of plantse. Done of these

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

,;) "he position of earth in its orbit6 when it is at its greatest distance fro the sun causing northernsuer is called:

a. A/eo,b. *erihelionc. *erigeed. Apogeee. Done of these

,7) Jiaond is a ver+ expensive ornaent. 2t is coposed of a single eleent:

a. %arbo,

b. Coldc. >ilverd. *latinue. Done of these

,H) -hich of the following la+ers ake radio transission possible

a. "roposphereb. Io,o&/ere

c. esosphered. >tratospheree. Done of these

,L) -hich of the following explains the reason wh+ there is no total eclipse of the sun

a. >i9e of the earth in relation to that of oonb. !rbit of oon around earthc. Jirection of rotation of earth around sun. Area o" te &+, co!ere b te oo,

e. Done of these

5=) "elevision signals are converted into light signals b+:

a. !ptical fiberb. "ransistorc. Jecoder. Poto oee. Done of these

5%) -here do ost of Asteroids lie

a. I, a&tero bet betee, te orbt& o" $ar& a, H+/terb. 2n asteroid belt between the orbits of ars and Ienusc. 2n asteroid belt between the orbits of upiter and Ienusd. #ver+where in the sk+e. Done of these


50/57

5,) "he nuber of spark plugs needed in a diesel engine is:

a. ,b. 5c. =d. 8e. No,e o" te&e

55) "he half life of a radioactive eleent is H1da+s. 3ow long it take to reduce it fro %= g to 0 g

a. 8 da+sb. %, da+sc. %; da+s. 8 a&

e. Done of these

58) "he ter lue >hift( is used to indicate:

a. ;o//er e""ect , c a, object a//ear& b+er e, t & o!,= toar& te ob&er!er orob&er!er & o!,= toar& te object.

b. "urning a star fro white to bluec. 2n future sun would becoe blue

d. lack hole was blue at its starte. Done of these

The opposite is the famous red shift which indicated the universe is expanding away from us.

50) Bilowatt1hour is a unit of:

a. *owerb. #lectric urrentc. B,er=

d. "iee. Done of these

5;) &uel used in a &ast reeder Keactor is:

a. raniu !xideb. raniu *lutoniu carbidec. 'ra,+ P+to,+ Oe

d. raniu thoriu !xidee. Done of these

&Ks usuall+ use a ixed oxide fuel core of up to ,=M plutoniu dioxide *u!,) and at least H=M uraniudioxide !,).

57) onsoon is caused b+:

a. >easonal reversal of windsb. Re!o+to, o" eart

c. oveent of cloudsd. Kise in teperaturee. Kain forests

5H) -hich of the following atospheric la+ers help in radio counication

a. #xosphereb. Io,o&/ere

c. "roposphered. >tratospheree. !9one la+er


51/57

5L) A oderator is used in nuclear reactor in order to:

a. Accelerate the neutronsb. o o, te &/ee o" te ,e+tro,&c. 2ncrease the nuber of electionsd. Jecrease the nuber of electrons

e. Done of these

8=) >edientar+ rocks are:

a. *orousb. 3ardc. Koughd. rittlee. Iolcanic

8%) -hich one of the following is a non1etallic ineral

a. anganeseb. agnesiuc. D/&+

d. auxitee. Done of these

8,) !9one la+er prevents the following radiation fro entering the atosphere:

a. 2nfra1redb. 'tra!oet

c. P1ra+sd. Caa ra+se. Done of these

85) "he phenoenon of Aurora orealis6 the displa+ of red and green lights in northern heisphere is dueto radiations fro:

a. 2onosphere

b. "ropospherec. esosphered. >tratospheree. No,e o" te&e

Radiations are originally from agnetosphere which collide with the atoms and molecules in the upperatmosphere!however! Aurora Borealis occurs in the ionosphere

88) Oeast is used in aking bread because it produces:

a. %arbo, oenot sure if this is the reason but +east does produce carbon dioxide)b. >ugarc. acteriad. !x+gene. Done of these

80) !asis is associated with:

a. Claciersb. Jesert

c. I&a,&or 4ast 2slandd. Iolcanoese. &ertile land


52/57

8;) Quart9 cr+stal in tark effectc. "herionic effect. Peo-eectrc e""ecte. Done of these

Piezo-electric effectelectric polari"ation produced in certain crystals by the application of mechanical stress.

87) "he fruits without seed6 like banana6 are called:

a. seedless fruitsb. parthenogenesis fruitsc. /arte,ocar/c "r+t&

d. placental fruitse. !rganic fruits

parthenocarpy#literally meaning virgin fruit$ is the natural or artificially induced production of fruit without

fertili"ation of ovules. The fruit is therefore seedless

8H) Anial which captures and readil+ kills living anials for its food is called:

a. *arasiteb. >cavenger

c. Preator \ not our oderatord. aale. Done of these

8L) 2n a railwa+ track6 two rails are Eoined end to end with a gap tin between the because:

a. >teel can be savedb. Acce,t& +e to co,tracto, , ,ter ca, be a!oe

c. Air gaps are necessar+ for bearing the weight of running train. Acce,t& +e to e/a,&o, , &+er ca, be a!oe

e. All of these

0=) Dae the faous book of 2bn1>ina in which he discussed huan ph+siolog+ and edicine:

a. Al1Qanoonb. Al1asudic. Dew Kenaissanced. "adhkirae. No,e o" te&e 2 think it was V"he anon of edicineV)

PART G II (+bject!e)

Q.3. ;""ere,tate betee, AN* IB o" te "oo,= /ar&. (25)

(a) 'bra a, Pe,+bra

'bra - area of the shadow of an eclipse6 dark center of a sunspotPe,+bra - partl+ lighted area around an+ shadow

(b) @ea! ater a, ar ater

@ea! Eater1 water with a higher average olecular weight than ordinar+ water6 water used for coolingthe core of an atoic reactor


53/57

@ar Eater1 water containing a high concentration of inerals and calciu

(c) o= a, oe

o= - ixture of soke and fogoe - visible vapor given off b+ burning aterialU

() $o/a a, @/ro/a

$o/a - nearsightedness6 condition of the e+es in which obEects that are far awa+ cannot be seen clearl+!phthalolog+)U lack of insight and forethought@/ero/a - far1sightedness6 abilit+ to see distant obEects ore clearl+ than near ones

(e) a!a a, $a=a

a!a 1 olten rock expelled fro a volcanoU solidified volcanic rock$a=a 1 olten rock beneath the earth's crust fro which igneous rocks are fored Ceolog+)

(") Per&co/e a, /ereter

Per&co/e - optical scope that allows one to see obEects that are located above one's line of sight/ereter - outer boundar+ of a figure or areaU total length of the outer boundar+

(=) C-ra& a, Daa ra&

C-Ra&1 3igh energ+ electroagnetic radiation of wavelengths in the range %= to =.% nanoetres. P1ra+sare extra1nuclear and have two sources: %). A characteristic e.g.B1 or 41) P1ra+ photon is created andeitted when an electron drops down orbits to fill a vacanc+ in an innerost shell.,). A bresstrahlung photon is produced when a high speed positive or negative electron decelerates whenpassing through the electric field in the close vicinit+ of an atoic nucleus

Daa Ra& 1 "he wavelength of gaa ra+s is t+picall+ less than %=1%, etres. "he+ differ fro P1ra+sin that the+ originate in the nucleus of atos. A gaa ra+ is a photon6 i.e. a discrete packet of an+waves

Q.4. +, & =oro+& &tar , o+r &. Erte o, t& caracter&tc& t re"ere,ce to te "oo,=

ate:

(a) ;&ta,ce "ro eart

%8L6;==6=== kiloeters6 or L,6L;=6=== iles

(b) $ea, &ta,ce "ro ce,ter o" =aa

,;6=== light1+ears

(c) eoct aro+, ce,tre o" =aa

,0% k/s

() Re!o+to, /ero aro+, ce,tre o" =aa

,,0\,0= illion +ears one Calactic +ear).

(e) B+atora aeter

;.L00 ] %= power H "his is the e


54/57

,0.=0 da+s

(=) %ore te/erat+re

%0.7 ] %= power ; B

() oar ,

A stead+ strea of charged particles that boil off the sun's outer atosphere and which strea awa+ alongagnetic field lines which lead into the interplanetar+ ediu. 2t is coposed of charged particles such asprotons 6 electrons and heliu nuclei.

() Te o!e ;ao, R,= e""ect

large gush of light that shows up a few seconds before and after totalit+ during a solar eclipse caused b+the last bit of sunlight that shines through valle+s on the edge of the oon)U

(j) +t+re o" &+,

"he >un does not have enough ass to explode as a supernova. 2nstead6 in about 0 billion +ears6 it willenter a red giant phase6 its outer la+ers expanding as the h+drogen fuel in the core is consued and thecore contracts and heats up. 3eliu fusion will begin when the core teperature reaches around %== illion

kelvins and will produce carbon6 entering the as+ptotic giant branch phase

Q.5. Erte bre" (,ot ore ta, tree to "o+r &e,ete,ce&) abo+t AN* IB o" te"oo,=: (25)

(a)Aotro/

existence of a cheical eleent in two or ore different fors&or exaple6 the eleent carbon has two coon allotropes: diaond6 where the carbon atos are bondedtogether in a tetrahedral lattice arrangeent6 and graphite6 where the carbon atos are bonded together insheets of a hexagonal lattice.

(b) Neb+a

an interstellar cloud of dust6 h+drogen gas and plasa. 2t is the first stage of a star's c+cle.

!riginall+ nebulawas a general nae for an+ extended astronoical obEect6 including galaxies be+ond theilk+ -a+ soe exaples of the older usage surviveU for exaple6 the Androeda Calax+ was referred toas theAndromeda %ebulabefore galaxies were discovered b+ #dwin 3ubble). Debulae often for star1foring regions6 such as in the #agle Debula

(c) B,rce,t o" 'ra,+

#nrichent of raniu corresponds to percent coposition of uraniu1,50 being increased through theprocess of isotope separation. %aturaluraniu is LL.,H8M 1,5H isotope6 with 1,50 onl+ constitutingabout =.7%% M of its weight. 3owever6 1,50 is the onl+ isotope existing in nature in an+ appreciableaount) that is fissionable b+ theral neutrons.

() A+a Re=a

A+a re=a4atin for Vro+al waterV) is a highl+ corrosive6 fuing +ellow or red solution. "he ixture isfored b+ freshl+ ixing concentrated nitric acid and concentrated h+drochloric acid6 usuall+ in a voluetricratio of one to three respectivel+. 2t is one of the few reagents that dissolves gold and platinu. 2t was sonaed because it can dissolve the so1called ro+al6 or noble etals6 although tantalu6 iridiu6 and a fewother etals are able to withstand it.

(e) Dree,o+&e e""ect

"he effect produced as greenhouse gases allow incoing solar radiation to pass through the #arth'satosphere6 but prevent part of the outgoing infrared radiation fro the #arth's surface and loweratosphere fro escaping into outer space. "his process occurs naturall+ and has kept the #arth's


55/57

teperature about 0L degrees & warer than it would otherwise be. urrent life on #arth could not besustained without the natural greenhouse effect.

(") I=,eo+& roc&

rocks fored b+ solidification of cooled aga olten rock)6 with or without cr+stalli9ation6 either belowthe surface as intrusive plutonic) rocks or on the surface as extrusive volcanic) rocks. "his aga can be

derived fro partial elts of pre1existing rocks in either the #arth's antle or crust. "+picall+6 the elting iscaused b+ one or ore of the following processes ^ an increase in teperature6 a decrease in pressure6 ora change in coposition. !ver 7== t+pes of igneous rocks have been described6 ost of the foredbeneath the surface of the #arth's crust.

Q.6.(b) Eat o te "oo,= abbre!ato,& &ta, "orJ (#F2 eac)

. ONAROund NAvigation and Ranging

. %N

entral Dervous >+ste

. PTB

pol+tetrafluoroeth+lene.

!. ;

low1densit+ lipoprotein.

!. AR>evere Acute Kespirator+ >+ndroe

!. D'T

Crand unified theor+

!. 1AI%

eginner's All purpose >+bolic 2nstruction ode

!. 1T'

ritish "heral nit

Q.7 (b) ;e",e te "oo,=: (# eac)

(a) A/bo,

cold1blooded vertebrate anial able to live both on land and water

(b) ,cro,o+& &atete

A satellite in a s+nchronous orbitA s+nchronous orbit is one in which an orbiting obEect has a period e


56/57

Q.8. (a) ;e",e RB%BPTOR , a,. Nae ""ere,t rece/tor or=a,& , +a, bo. A&o&c+&& AN* TEO o" te bre".

2 think it is about sensor+ receptors

2n a sensor+ s+ste6 a sensor+ receptor is a sensor+ nerve ending that recogni9es a stiulus in the internalor external environent of an organis.

&ollowing are the different sensor+ receptors

Apullae of 4oren9ini respond to electric fields6 salinit+6 and to teperature6 but

function priaril+ as electroreceptors

aroreceptors respond to pressure

heoreceptors respond to cheical stiuli

3+droreceptors respond to changes in huidit+

echanoreceptors respond to echanical stress or echanical strain

Dociceptors respond to daage to bod+ tissues leading to pain perception

!soreceptors respond to the osolarit+ of fluids such as in the h+pothalaus)

*hotoreceptors respond to light

*roprioceptors provide the sense of position

"heroreceptors respond to teperature6 either heat6 cold or both

#lectroagnetic Keceptors's respond to electroagnetic waves

(b). D!e ce,t"c rea&o,& o" te "oo,=: (# eac)

. Te o=& /a,t> te br& o/e, ter o+t a, te ee/a,t& o!e ra/ ter ear&.

2 think all of these do not sweat6 the+ use the above entioned echaniss to cool theselves

. Te a,oe& co!er& are =e,era ro+,.

2t is ipossible to drop a round lid into a saller round hole.2t is because round is the onl+ shape that if turned or flipped over6 it still retains the sae length across itscenter. 2f +ou used a s


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!. Ee ,e!er &ee br& +r,at,=.

irds do not have a urinar+ bladder or external urethral opening and uric acid is excreted along with feces asa seisolid waste

!. Pa&te+re a& ore ,o+re&e,t ta, te or,ar bo .

Pea&e Note

2 have onl+ attepted

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