IAS Prelims 2009 Solved Paper

l.

2.

3.

4.

j _

IIDTANY With reference to environmental pollution. consider the l(l llowjng statetll enll;: I. Acid rains ｾｲ ･＠ 'e<mscd by ｈｾｓ Ｐ Ｔ＠ only. 2. Whilt! S02 j;; highly injurious lo plants.

N01 ｩＬｾ＠ oot injuriolls to plant:>. Wbich of lhl'l statements giveyj above is.' are con-eel'/ a. l only b. 2 onJy c. Botl1 l and 2 d. Neither 1 nor 2

"· d Consider the foll owing stiltemetll$: 1. nacre are no xeroplytic epiphytes. 2. There ｡ｾ ･＠ 110 epiph Hie orcb ids. Which uf the s.tatements given above is /arc correct'! a. 1 only b. 1. only c. Hoth 1 ami 2 d. Neither 1 nor 2 e

l. Li gnin contains long-chain fatty 3Cids :/., Cutin l$ ;a Cl!l'lx>llylirall! pnlyn•et·. Wbich of lh<: statements given ahflj are con·ect?

n. l only ;f! b. 2 only c, Rnlh l and 2 ｾ＠ ... d. Neither 1 nor 2 "'CJ e. !I Consider lhe fnll slaltmenis: J. Jcs inf<::ct. roots lo

ycorrhiza. 2. roots take up 11utrienl

ＧｩｬＢｾ ｾ ＧｩｬＮ ＧＢ＠ IJafected roots. taiements givtlll above i;J/nrc

ｬｩＧｬｬｬ ＮＮＮｬＮｾ ｮ＠ ｾ＠

n1y c. Both l and 2 d. Ncith"-r 1 nor 2 e. b Com icier the foll owing pairs: Plaflt - Area of natured occum.mces 1. ｬＩ･ｴｵｬ｡ｵｴｬｬｩｾ＠ - \\'e;;tem Himalayas 2. ｄｴＺｮ､Ｎｲｯ ｣ ｾｬ｡ｭｵｳＭ ,\ blabar region

strictus ｾＭ ｄｩ ｯｳ ｰ ｹ ｲｯ ｾ＠ - Temperat<.: l.o!le

6.

7.

s.

melanoxylon Which of the j>ll .I!'S given ahove Is/are ComlCI1y matched? II., 1 only b. J ｾ ｊｉ Ａｉ＠ 2 only c.. 2 ｡ ｮ ､ ｾ ＾＠ only d.. 1. 2 alld :1 l' . .. ....

M atch ｌ ｩ ｾ ｦ Ｍ Ｑ＠ with

, a and ginger ｧｲ ｡ ｾ＠ oil an lemon grass oil

B c 5 I 2

b. 2 I ' ｾ＠c. ' 2 1 ｾ＠

d, ｾ＠

.J 2 ('. -. Consider Ute fo llowing stalcm.:ots: I. ｒｵｾｬ＠ dise:.ses ;arc c:n1scd by Uae fungi

of o.rder U redina 1es. 4 ｾ ｬＡｕｬ＠ diseases arc c!;tused l' Y the fungi

of order UstilagiJHales. Which of the ｳ ｲＮ｡ ｾ･ Ａｬｬ ･ｮ ｬ＠ giVt:tl ｾ｢ ｯｶ･Ｎ＠ ｩｾ ｬ＠

are correct ? a. 1 only h. 2 on I)' c. Dotb 1 an.d 2 d.. Neither I nor 2 c. c: Consider the toll owing statements: 1. Agrobacter ium ｴｷｮ･ｦ｡ ｣ｩ･ ｴｾＬ ＠ ｩｾ＠ :a soi 1

bacterium. 2 . Agrobac.tedum tumtlL1Cit.a1S can lnfucr

the p1anl ill the junction between root and stem (crown) only.

\\lhicll nf l;he slllt emenl• g)vet.• a hove is/ao·e corroct7 3 , l unly 1), 'J only c. Doth '1 and 2 d. ｎｴＮ ｾｴｨ ･ｲ＠ l our 2 www.examrace.com

IAS Prelims 2009 Solved Paper9. e. c Consider tbe foiJowing statements ; l. Early bllght oJ' potato is caused by

Erwu1icr ｣ｲｭｹｬｯｶｯｲｾ＠2. Late bJjght of potato is caused. by

PhyWphU!nra fnfestans. Which or the stal(..'Tlltmls givfiD above ｩ ｾ Ｑ ｡ｲ ･＠

ccomx:l? a. l only b. 2 only c. Roth 1 and 2 d. Neither I nor 2 e .. b

10. From wlticb one. of lbe 1iillowing flnwe•·s is the in.!ieccticides 'Pyrethmm · de1ived?

11.

12

13,

14.

a. ｃ ｨｲ ｹｊ［ ｡ｮｳｨ ｾ ｮｈｬｭ＠

b. 01eris c. Ndumbo d. Rosn

u. b. c, d.

ront>some basis of

c. d. e. a Tblllenu ·'Genetic lond'' refer.! to: ｾＮ＠ Sun1 ｴｯ ｴｾＡ＠ of ｵｵＮｦ ｾｶｯｲｾ ｬＬｬｬ･＠ genllli ln

･ｲｯｳｾ＠ fenil ized ｳ ｰ ｾ ｩ･Ｎ Ｕ Ｎ＠

b. Reducl<on in vigour and fcrrii i l)l in plan! species.

15.

16.

c;. ｴｊＬＺｲ ･ ｡ｾ＠ v1gour an sae o . [nhmpecilic hybrids

d. li1creased lwmozygusity m U1e plaJJL

e. c Consider the foUowing statements: l. In di.:ot sfcn1,.cuticle·is presenL

whose

2. In monocot stem, endodermi., and perlcycle are i ndist incL

Wl•id• of the Ｕ ＱＳＡｾＢｴｮ｣ｮｴｳ＠ giwn a bow ishm: c.ontad/ a. 1 only b. 2 only c. 1Jotl1 1 artd 2 d. Neither l nor 2 e. d 1\Iatch Lisr-1 with List-ll ;md select th"' correct answer lllling th.e c..ode given below lb.; ｴ ｩｳｬｱ ｾ＠

L ist•I(P1ant) .\. Glariosa B. Nepen thet. C. Smilax D. Vilis List-fl rrcndril is the modific.,tion ot) 1. .Lenftip 1.. Midrib 3. Stipule 4. Tenniu:il llu\1 Cnde:

A J

R 3

c 2

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IAS Prelims 2009 Solved Paper

19

20.

21.

23 ' ·

2 c. b

.J

2 3

4 4

MaJch Llst-1 witl1 List-n and select lite cosrect answes· u.5ing the code given below lists : Li., t-1 (Frujt) A. r\o;ne B. C)'llSela C. Fillllc le D. Siliqua Lilll-ll (Plant) I. Ca lotmpis l . N el utnhium :). Mustard 4. l'ridax Code:

A B it. 2 1 b. ]. 4 c. 3 I d. 3 4 e. b

c D 4 3 I 3 .I 2 I 2

Deo-gllo-woo-gen is tb.e name of a varl<Jty vr: a. R.iw b. ｗｨｾＱｴ＠c. Maize d. China !,>,ras$ \;! . a "V anillin". a popular tlavoUI· ic.e ｣ｲ･｡ Ｎ ｭｾＮ＠ is obtained ｦｲ ｾ ｾ ｊ ｾ ｾＭＧ［＠a. L&af b. Latc;x c. 13;lrk. d. Pruit + " · d

e.

wll.ich one of the ,._." 'l'lnuttcls is used '?

Wl1ich one of ｴｨ ｾ［＠ following ｊｬｬｾｮｴｳ＠ is a source llf chewing gum, the basis uf chcwin:g gum industry '! a. I lwea brasiliensis b. AC<(cia senegal c, Alecl! ca te.:b u d. Achms zapota e. b

25.

26.

28.

2.9.

30,

uc 1 one o 1e to wmg pn II'S o tree ｳｰ･｣ｩ･ Ｎｾ＠ Is a representative of tropical wel evcrgrt:en fore.sts in1ndin? ;s. ｄ ｩ ｰｴｾｾＭｯ｣［ｳ ｲｰｵ ｳ＠ ｧｮｭ､ｩｬ ｬ ｯｲｵｾ＠ and Hopca

ｮ､ｯｲｾｴ｡＠

b. Cuprc:ssus lnrulos3 aud Picea mtwioda ｾ Ｎ＠ ｂｾｴｵ ｬ ｡Ｇ＠ utilis. tmd Diplel'llearpu$

grantliJJorus c.l. 13C•Swellia seTrata and Anogc:;lssus

latifolia e. c Wulwi tschia snirfib il is. unc P'-cttliar ｧｹｭ ｮ ｯｳｰｴＺｮｮｯｵｾ＠

nn.ly in: 11, South ｗ･ｾｬ＠ Afrk b. Western Ausu·ali c. Rajmahal hi . ｾ ｲＣ＠

d. West Indies -----is shown ｢ｾ＠

A parlitula:r plant has various atlaplatioM nnmely. (i) presence of soft spongy stem (ii) (lrcsllTtce uf '1 ir cavities in tlse leaf (iii) lteavv redustion Qf vascular tissues and (lv) absence uf'cuticle in lh<l' epltlermls. 'Fu which group tloes ll1e plunt belong? n. Hpipyle h. 1lydr()pil)'1.e c. Xerophyte d. ll:i.lopbyte e, b ｐｬ｡ｮｴｾ＠ whi.ch grc1v IJn U1e fort:sl ｊｬｯｯｾ＠ in tmpic;sl rain forests h.a1·c: a. .Leaves 11itb lb.ick cuticle h. :)uccuJenl small ｬ ･｡ｶ･ｾ［＠

c. Large li ght ｧｾＭ･ＱｬｊＱ ｬ ｾｶ･ｳ＠

d. Lar,gc, dark grce11Lc:rves e. d Which one of the following groups of gases contribute to the gfe<::nhouse effe-ct 2 :t . ｎ ｈ ｾＮ＠ OJ.. R3S b. N01. co, ｳｯｾ＠c. c 1 tl- ｴ｜ＧＲＰ ｾ＠ so2 d. 0 .;. CH.. nnd CO e. c What ｩ［ｾ＠ L11e correcl order in whicli the roJ low i.ng four pl3nt species occur 011 the

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IAS Prelims 2009 Solved Paper

33.

.35.

lll lf! ｾｙＡｬＱＧ＠ ＤＱ ｾＱＧＱｕｬｦ｜＠ · OJn oe ｾｳ ･＠

.foothilltu lhe alpine zone upwards? J. Pinus roxburgh.ii 2. Ｎ ｨｬｮｩｰ ｣ｲ ｵ ｾ＠ ｭｾ｣ｲｵｰｵ､｡＠

3. Pinus wa Ulcb.iana 4, ｓｨｯｲ･［ｾ＠ robusta SelecJ lhe I.JOrre<:l iloswcr u;;ing the code givo,;n bclo\\ : 3 , 4. l. 2. 3 b. 4, L 3, 2 c. 2,. 4. J., l d. l, 4, 2.. 3 e. wft.

Consider the following: 1. Coral reefs 2. Flood J'lain.s 3. Mangrove areas As per Ramsar Conwntlon, which u!' ｬｨ ｾ＠abtJIIC isl:ore cownnl under U10 definition of we11and;;'l a.

b. c. d.

c. d. c.

e. d.

c. d.

l and ;! only 2·am13 onJy 1 onJy l.2and3

ｮｭｴｾｴｲ｡ｴＮ･ ､＠ Ute occurrence p n perms in the po t It'll of:

Ｇｖｾｾ ｕｩ ｳ＠

(', 0:

\vluch on.e of the following features is not associa1ec1 will1 gra$Ses 'I a. ａｬ･ｵｲｯ ｮ ｣ｴｌｾｳｵ･＠

b. ｓ｣ｴｾＭｬ･ｬｬＭｵｭ＠

c. Cellul ar endosperm d. 3-.:ell ed pollo;p e. l'

37.

38.

39.

-10.

4L

a a muumum o ｬｕ｜ｾ＠ many mctOuc ､ｩｶｩ Ｌ ｾｩｯｮｳ＠ are required to form 100 sexunl ｳｾＮＺ＼ｬ､ｳ＠ ?

''· 25 b. 50 c. 100 d. 125 c. ln

ypems DeoJtlroptltoe

3. Zen Code:

A B a. I l b. ] I c:. I 3 d. 2 l' . d

is

c -ｾ＠2 "2 ..,

The advcntii:e cmryo ｩｮｩｴｩ｡ｬ ｾ＠ in cimiS ､ｩｦｦ･ｴｾｬｬｩ｡ ｴ ･［＠

a, Retbre pollination ｨ ｾ＠ Aile£ pollin ation c. Aftt:rfertil izntion d. After the division of zygote e. a What i;; unique abuul the embryogenesis Pa.::onia? ｾＱＮ＠ .lnlrasemiM I I;Irnwth b. Long. dormancy or zygnte c. Free nuclear t!fvi.<;fons in the ｔＮｹｧｯｾ･＠d, QbJi400 division of the qgol<o: e. d lt1 lh.e ･ ｮ､ ｬＩｳｰ･ｲｭｮｵｾ＠ ｾ･･､ｳ＠ the growth of the embryo staru: a. ConcWTen!l-y wjU, the endosperm b. lkfure the endosperm starts gro\\ing c. After lh.: endosperm has started

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IAS Prelims 2009 Solved Paper42.

43.

44,

45,

Which one of tht: luUowing stru..:tun:s arises frurn the flmjculus during po;;l (ertiliz.alion development oflhe ovuic·! a. ＨＧｾ｣ｵｮ｣ｊ･＠

b. Ari l c. Operculum d. Periwerm e. h fn sporopbytic selb' locomj)alibil ity. S 1S1

plants ｷｵｾｴｬ､＠ be ｣｣ｵｮｰ［ｾ ｴ ｩ｢ ｬ ･＠ with the plants ｣ｾ｣ｲｲｹｩｮｧＬ＠

a. StS1

b. SJS1 c. !hS3 d. ｓｴＺ＾ｾ＠

e. b Which one of the loll owicig types uf ｩｮｦｬｯｲ･ｳ｣･ｴｴ｣･ｩｾ＠ found inl3anana'l •t. Catkin b. Corymb c. Sp:ld.i:lr d. Spike

l. is l used ve prop:rl! ntion) .1. Plower bud 2. RJtizome 3. Runner Cod..:J

n. ｾＭ

1 .3

m1g_iospem1s normally arter rertili7..al.iom <L Ticc zygote ､ ｩ ｶｩｴｩｾ＼ｓ＠ bcJ(m.: lh.e division

of U1e primary endospcnn. b. 11!1': primary ･ｮ､ｯｾｰ･ｮｮＺﾷ＠ ｮｵ｣ｬ･ｵＮｾ＠

diYidt.-s before Ute division of lbc zygote-

c. BoU1 the zygute and the pnmary cqdosperm nucleus di\'ide simul taneously.

47.

48.

50.

5l.

o 1 e -zygoru an 1C J1f ary endosperm nucleus. undergo a -resting p<iriod and ｬ｢ｾｮ＠ divide. Sirnult:mcousiy,

e. a Tn na1ure. the qrchid ｒ･･Ｈｌ｟ｾ＠ germinate only in association ｷｩ ｴｨ ｾ＠

u. MyxomycctC!S h. M_ycorrh i7..;c r<. 131ue green algae d. Acltnomycetes e. b Restriction o;nzymes cm£lneering because: JJ. They can jo' ON"\

ｦｲｾｧｭ･ｮｴＮｳ＠

h. They can al a specific targ,cls it<:>

can _ , e bJrmJill eozvmes

·. 'c . c)nc of ｴｨｾ＠ following terms a ibes the jncrease in the performance

;t cross when two differen( iqbc•ed ｬｩｮ･ｾ＠u:rc ｣ｲｯｾｾｯｯ ＿＠

o. Herurozygotic b. Heterosis c.. Heterogametic d. Homogametic c. b Hardy-Weinberg equilibrium refers to: 0\. ｓｬｾ｢ｬ･＠ mubtinn ｮｾ＠ f.1c-tor for .speciation

and evolution b.. Popu ｬｾｬｩｯｮ＠

Mendelian go: ｮ ･ｴｩ｣ ｾ＠

laws .,.voluli onary praceo:ss

\)I)

to in terpret

c. 1\ lic;,w geogr<!phic- mces ｡ｾ＠ key contri.but<lrs to divergent. evolutionary ｴＮ［ｮ､･ｴｬｾｩ･Ｄ＠

d. Random ､ｩＮｾ ｬｲ ｩ ｢ｵｴｩｮｮ＠ ol' species in time and spncc

e. b McselsDn and Stahl used an isotope to d.:monSIJ'ate semi-consei'Vative nature of D NA duplication. Which isotope did lhe)' use? ｾＭ ｾ｣＠

b. .!p{ J1'p 0.

d. ''N

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IAS Prelims 2009 Solved Paper

53.

55.

ｾＰ Ｎ＠

57.

a, a. b. Cy._:adales b. man) c. Bel\llettilaks sirunens d. C'onifemlf<\l c.. Gyuohasic style and four ovpfes P. a tl . Two ｾ ｬｩｧｭ｡ｳ＠ and regular corolb What IS tl1e correct sequ._:ncc 'irt which lht: c. c foUow.illg ｰｬ｡ｮＱ ｾ＠ ｮｰｰ･ｾＡｲ･､＠ on the eal1lt'l S!>. ｗｩｬ｢ｾｮ ｩ Ｓ＠ ｳｯ ｲｮｮｩｦ･ｲｾ＠ ｢･ｬｯｵｾ＠ to U1e tiunily: L Rhyn.ia a. Malvacea.e 1. Williamsonia b. Ｑ｜Ｎｦ ｡ ｧｮｯｩ｢｣ｾ ｡ＮＮＺ＠

.:1. Ly!!irtotlr.:ndnl1.1 c. Solanacca..: ' ｾ＠!J. Magnolia d. Sten:uliaceae Selee! the cocrecl ｡ｮｾｷ･ｲ＠ ｵｾｩｮ ｧ＠ the. code e. t '

given below: 60. Whid1 one of the \ pmrs is a. l, 2, 3, .t com:cll y ma1ched? b. 1, \ 2, 4 a , Solanaceae Ｍｾ Ｑ＠ , condit1on c. ｾＭ L 3. 4 b. Malvaceae : ng esloug condition d. 1. 3. J. 2 1.1. Br;u;sic<lccaiJ: •ntnnuus coodilioo

e. d ｾ Ｎﾷ ｾｾｾ＠ ＢＢＧ ＢＢＢＢＧＧｾ＠ｂｩ｣ｯ ｊｉｾｬ･ｲＳＱ＠ ｶｾｾ｣ｬｬ ｬＮ［ｾ ｲ＠ hun;;lley occur •11 ｾ＠

which one of the lo llowlngJ:unilies'? 6 1. C' s lle t ollnwing pairs.: a, Crudfcrac ｾ ｨｬｯ＠ e : Involved in 0 1 ｾ［ ｶｯ ｬｵｴｩｯｮ＠b. Gn1mineae;: .nng photQ!lyntbesis c. Solanaceae ｾ＠ ·on : Constituent of cytochromes d. C'actaceae _. Sulplmr : C'otJstl!:u:e•Jt of coe.v:yme A

..;, a ｾ＠ Which of tho; pairs given above 3ft:

PheUoids differ from phc1Jcm coils .in: corrcc.tly .matcltcd'l a. Lacking Ute Ｄ ｴｾ｢･ｲｩｮ＠ ｊ｡ｭ ｾ ｬｬＺ･＠ a. 1 ｾｮ､＠ 2 only b. Lacking the lignin deposition (Jj h. l and 3 only "'- Having a dil'f.,renl orlg,in . . . c. 1 and 3 ｾ ｮｬ ｹ＠

tl. Bcmg-1hc product of c:amb al •lt v d. 1.2 nnd :1

ｾ＠ a e. d The phetloger• prnduce$: ()2. \Vh;tl is llie edlhJe paxl in Jacld'rui!'l a. PheUodctm lownr<ls J . Tfullamus

Sl'coo.d;u.y :-.")'let war b. Ov;try (ripened) b. Phellodenn ｾ＠ ds c. Perianth and ｾ･･､ ｾ＠

ｾｬＧＡＡＩｵ ｌｏ ･ｲｳｦ､･＠ d. Flc.:shy aril c. ﾷ ｲ､ ｾ＠ its outer nnd <;. if

·"ir:Qi!lil! OWard its inner si:de 63. Wllidt one of ｴＱｵｾ＠ following geuerd sltows d, rwnr;;l.5 ｬ ｬｾ＠ nuter and ｶ･ｳｾ･ｬＳ＠ .in 1\ylem?

x-y lem towards its inner s.ide a. Cycas

,\"''ll..,.,hvo whorls Qf Ｄ Ａｾｭ･ｮ ｳ＠ ore inserlt:d in su.ch a way tlJ.al the members of the outer IV.horl qre opposite tl1e ｳ･ ｰｾｬｱ＠ ｾｮ､＠

in nor whul'l uppusih: the pel a ls., the comlill.on is known as: a. ｄｨｬｬｯｾｾ･ｾ ｮｯｮｯｵＮ ｜＠

b. ｄｩ｡､｣ｬｰｨｯｵｾ＠

c. ｄｩ｣ｬｹｮｾｭｯｹｳ＠d. OhdjploN1emonous c. a

64.

b. Pinu" c. Gm:n11n d. ｍ｡ｲｳｩＮｬ･［ｾ＠

e .. c \Vhich one of ihe lo ll gwing ls tlv·voitl of ｮｮ｣ｬ｣ｵｾ Ｇｬ＠

n. Marure sieve element b. G uartl ccU of stonwtn ..:. Co!leuchytlw cell d. Companion cell c. a

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IAS Prelims 2009 Solved Paper

66.

67.

68.

n. er wnkr s l;res$, t e ･ Ｚｾ ｶ･ｬｬ＠ Q p ｡ｮｴ ｾ＠ :tre fouud Lo contain higher concentmlmn of": a. Gihbcfd llc acid b. Cytvknins c. Au.,:ins d. Abscisic acid

"'· tl Wilb rdl'\)rencc to c. PaUnvay of photosynthesis.'' ltieh one t> f the foll owing sbtements is not cotTed? a. Ahnospheric ｃｏｾ＠ is accepted by a 3-

t arbon. compound b. Tlu: JtrSL product fonne.d aOGr

atmcJsphel'ic C:O, asslro.lJJ!tfon is ｲｮ ｾ ｊｩ ｣｟＠

acid c. 1\!Wic :!Cl d is l:rPriJiporte4 from

ｭ･ ｾ｡ ｰｨ ｹ ｬｬ＠ coells In bundle sheatJ1 ｣ ･ ｬｬ ｾ＠

d. The c:ll vln cycle lakes ,pla..:e in bundle sheath ccllM b

a.

b. " multi-ceJiu Jar

c.

d.

b. • c. d.

ＮｦＧ ｭ ｾ ｯｮＮ ｯ＠ statements ; Ｍ ｾ ｬｴｾ Ｌ ｬ｣ｪ｡ｴ ｴ ｊ ｮ＠ c)f fatty ad ds involves ｴｨ ｾ＠

oJ' v, 0 2 to l bO nod ot I NADH and 1 PA.DH:!.

each :teet y'l C'oi\ produced. 2. In plant seed s tornge tissue, the

eOZ)mes associated witb p-,oxidDtion are Joc;.ll 7ed in ＱＱＱｩｴ ｯ｣ ｨｯｴ｜､ｲｩ ｾＮ＠

Which of lhll ·talemenls given above is/ arC COJTCCl? a 1. ouly b. 2 only c. Roth l and 2 tl. Neither I nor 2

70.

71.

72.

74.

75.

76.

e. a ｐｨｯ ｾ ｰｨ ｯｲ ｵ ｳ＠ rs absorbed ｬｬ ｲｩ ｭｾｲｩｬｹ＠ in the form ul' ortho-phosphaks. bot in which form doc::s it ｵｃ ｾ Ｇ ｬｬ ｴ＠ in soil ? a. ｾ ｍｯ ｮ ｯｶ ｡ｬ･ ｮｴ＠ only b. ＩＩ ｩ ｶ ｾｬ ･ ｮｬ＠ only c. T rivalc,11l J. Both monovalent and divak11t e. c 'Phosphorus a$ 32P is one of the radioactive •sotnpes commonly used to biological.

ｾｴｵ｣ｬｩ ･ｾ Ｎ Ｌ＠ fts half-Jjfc i5 : ｾ＠.1. 14 ·" days h. ｾＷ Ｎ Ｕ＠ cL'lvs

c. 8.07 daYs 0 ｾ Ｎ＠ :·2 ＡｉｬｬＩＧｾ＠ ｾ＠"\ compo.:ti tiv in itur or ｣ｴｨ ｹ ｬ ･ ｮ ＼ＮｾＭ

ｭ ｾＬ［ ､ｪｬｬｴ｣､＠ lhys.iol 1:1' nlrcspuusc is: a. Car o fl • ide h. d' ［ｩ ､ ｾＺ＠

ll..

u. A human chromosome can ｲ･ ｾ ｰｬｩ ｣ ｵｬ ｣＠ in bacterial cell

b. The ｭ ･｣ ｨｾｮ ｩｬＡ ｭ＠ of gene ｲ･ｧ ＱＱｬ ｾ ｴ ｩ ｯｮ＠ ｩｾ＠

ideotio.1l in ｨｵｭ｡ｮ ｾ＠ and bactOJia c. Bacterial cell can carry oul the RNA

splicing ｲ ｣ Ｚｴ ｣ｴｩ ｯｮ ｾ＠

d. n1c genetic code is universal c. tl \Vhich one of lbe foll owirtg bacteria bas fouud ex-tensive ttse in genetic engbteerins work fn plants? a. AgrobaciLTium tumefnci.:ns ll. Clostrid.itnn septicum c. Xanlbomonas citl'i d. ｂ ［ｾ｣ｩＡｬｵ ｳ＠ coaguJens e. a Which or tho: following codons do not ｾ ｰ ･Ｍ｣ｩｨ Ｇ＠ nmino acids (lnd ｾ ｲ ･＠ kn!>Wn M

nonsense coclo115? a. GUU. GlX'. GUA b. 1JAA, UAG, UGA <l. Gt U. GCC. GCA d OOtt. GGC. Gt.rA c. b \\lhk iJ one of (he lollowing h:chniques is employed to detect the proteins of a particuhtr ｾ ｊｬ ･｣ ｩｦｬ ｣ｩ ｴ ｹ ｾ＠

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IAS Prelims 2009 Solved Paper

77.

7R

c. " Con$ider the foUowing ｳｴ［ｾｴ･ｭｾ［Ｚｮｴｳ Ｚ＠

l. There ｩｾ＠ no ｳ･＾ＮＮＢＧＡｾｬ＠ repf'()dttction In blue-gr"loln ｡ｬｧ｡ｾＺ Ｎ＠

2. There arc no marine ｾｰ｣｣ｩＺ＼ＮＺｳ＠ of bloc-green algae.

Wbich of the statements givm above is;are

correct? a. l Ottly b. 2 only

c. Both J and 2

li. Neilht:r 1 nor 2 e. a

ｌｯ､ｩ｣ｵｬ･ｾ＠ represent lhe red11ced periaoth in: a. Sedges

b. ｇ ｲ＼ｾｳ ｳ｣ｳ＠

c. Rushes d. Composites

e. b i!J. Distant bybti.dizalion studjes Indicate IlLli

t11c nctm:st rttl>llivl.' or Wheat, among

to llow in g. ｩｾ＠a. Sorgbum

b. Oat c. Rye

d. Rice

e. b 80. Cl!nslder the ｦｯｬｬｯｷ ﾷ ｾ＠

I.

proteins

2.

arc correct'/

a. 1 unly b. 21lnJ.v c, Oolb l aud 2

essentiAl for

proliferate through the

fission of ｰｲ･ＭｾＧｩｩＮｳｴｩｮｧ＠

giwn abovu is.

d. Neither l nor 2 e. c Fungi wi tltout sexual or perfect stages are

classified :ts :

S4-

85.

a. ty.-;oruycetes b. Dt;JID fl.lOill Y4.!Cb.:·S

c. Dcutcromycetcs d. As co myc,;tes

f.l. C'

Consider the fo[lowillJp;tau:;menl-•

I, A.u:xil! 1\:h• a role in debying lhe onset ofleaf abscission.

].. 1AA is synlh es ized prinuril y in I he ｉｏｏｌｾＮ＠

Which oflhc ｾ ｾｾｬｩＺｭ｣ｮｴ Ｎｳ＠ giv · corre;l'? a, 1 onJy b. ?. only c. Boll.1 1 and

d. Neither 1 no .. .._., e. d

ｶ ｾ＠ List-II nntl sdect th.:

ｍｾ ｬ ｶ ｡ＡＺ･ｾ･＠

2. Brass ｩＮＺＺ ｡｣ｾ［Ｚ｡ｾＺ＠

' ｾ Ｎ＠ Astcraccae 4. .Poaceae 5, Apiaceac Code:

A [3

a. 2 4-b. 2 3 (,), 1 •I J. 3

': · b In whi:ch o11e bet.eroqysts seen·r u. NostOi:

b. Ch•1ra c. Pol}' slphonla

d, Spi:rogyra

"- a

c D 5 I

4 [

5 2 J 2

of U1e following. are

Wltieh one of the fOllowing is a ｲｮｯｴｬ･ｳｾ＠

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IAS Prelims 2009 Solved Papera.

b. c. Rhynia

d. Williamsonia ｾ Ｎ＠ c ln tl!e spotnphytc nf archesporium ｯｲｩｧｩｮ｡ ｴ ･ｾ＠ frntn-a Endothecium

b. Endothelium c. Amphilln:caum <L Pedtho:ciuna e. c

ll7. Consider the foiJo" ing: 1. SelagineiJa 2. lsoctcs 3 . J\lurs i h;a -l . ..\7.olla

ＱＳｲｰ ｬ ･ｾＬ＠ 90.

b. c. d. Paraaminobenzoic acid e.. "-.... Wblcb nrte Qf the following ts the cOtTe.:t sequence of th.e three cell ｯ ｲ ｧ｡ ｮ ･ ｬｬ･ｾ＠

invoL\ ed in photore,piration'l ;t. Chloropl!l$t -4 ｾ ｴｩ ｴｯ｣ｨｯｮ､ｲｩｯｮ＠ -+

ｐ･ｲｾ［ｾｸｩｳｯｭ･＠

b. ｐｾＺｔｯｸｩｳｯｭ｣＠ Ｍ ｾ＠ ' ｾＱｩｴｯ･ｨｵｮ､ｲｩｯｯ＠

"- ChloropL!il

M:ilochondn

d. Mi.lochond

Chloroplast

Which of UHl abo,·c arc hel<:rospoallus 9 L

Ｘｾ Ｎ＠

pteridophytes'/ a. 1. 2 and 3 only b. 2, ｾ＠ :uul 4 un ly c. land 4 only d. 1.2.Jnnd4 (', d Match List I willa l.is t·ll :and select

2. 3.

a. 2 b. 2 c. 3 d. 3 e. c

B -l

I -l

I

"ria tJu.:tic ＳＱＱＳｾｔｏ｢ｩ｣＠ ｨ｡ ｾ ｬｾｔｉ Ｓ＠

｡ｮｾ｣ｲｯ｢ｩ｣＠ bJctcria

c I')

3 .j. 3

2 ... ... •

Which one of tlae following chetnicll ls is used for convcrtmg iron into absorbable lonn by pl;mts?

ｾｯｲｲ･｣ ｬ ＿＠

u. 1 only

1.L 7. ouly c. Both I and 2 d. Neilher lnor2 e. c

9:!. Titc prcx:c··• of ｰｨ ｯｬｯｲ｣ｾｰｩｮｬｩｯｮ＠ in ｰｬｾｮ ｬ ｳ＠

leads to:

93_

a. Rele3Se of .mhanced 1.:,·\l ls of'('()l

b Removal of'' astc metabol it.:s c.. Lowering or the ･ｦｦｩ｣ｩｾｭ｣ｹ＠ of

pholosynlhetic carhon fixation

d. Enhanced plant yield t'. c '1,\Ttth reference lo phutosynlla.:sis in higher plant-s. which one of the following statements is correct? ｾＭ 11te C 3 Path\\' D) re<111 ires 2-1 A I'P

molecules for tho: • yttlhesis •>f one mukctdc of glu.:ose .

b. ｔｨ ｾ＠ C4 l1aili11 ay ac,lu.in:s 311 ,\ J'P molecules l\1r tho ｾｹ ｮｴｨ ｣Ｎｾｩｳ＠ or OII IJ

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IAS Prelims 2009 Solved Paper

94.

95.

97.

c.

bundle sheath to mcsophyll

d. In CJ Pathway. s ix mole.:ules- of phosphoglyceraltl ebyde and lwn ｭ ｯ ｬ ･ ｣ｵｬ･ｾ＠ nf ATP are requ.ired to regenerateR11BJ?.

e. c \Vltich one of lhll li>il owin,g slalemcnls rc!f.trding lhe pbotop-eriudism in pl11nls is nor C0f1"CCI 'J

a. ln plants. Ute phytochrome is involved in measuring tbe lengtlt of day.

b. Phyt(}Chromc ｣ ｯｮｴ｡ｩｮ ｾ＠ protein u.nd

St!lphur. c. Xanlhium slrumarium is a long day

plant and il llow<.'{S if nights are sh.orlet' I han &.4 hours.

tl.

"· n lumi.c nlUllb..:'4tla"JI.:;' atomic weight.

cl. ｄｩｬｬＺ ｩＺＮ ｾﾷ･ｮｴ＠ almnicnum aiOmic weight.

f'_, A. + The ｨ ｹ Ｑｾｲｯｳ＠ taUs.. ー ｾｩｓｬｬﾷ＠ deve lqped wflhlu

a.

osmosis and/or ibilioi1$.1.a,exert,od on it<s. "all is:

e. d Wll ich one of the ti) ll owing enzy mes is ｵｯｾｑ｣ ｩ｡ｴ｣､＠ with the conv.:rsicm of nitrate to

nitriLe m the cytosol? a. Nitrate redudase b. Nitrite re.ductnse c. Glutamine syntlu1se d. Glut;unnle;;synthase

98.

99.

e. a

Which one oJ' thu foll <.l\\ ｾ＠ classes of pigments is not found within the v!JloroplasVehJOmalophore m phoLOsynt.lwli .: cul.nryotc? Ｇｾﾷ＠ ｃ ［ｾ ｲ ｯ ｴＮ･ｮ ｮ ｩ ､＠

1). Aothocyanif"l c. .Pitycocyanio d. Phycoerythrin l '. b

With ｲ｣ｦ ｾＮ＾ ｔ ｴｮｬＺ ｾＺ＠ tu ＨｬｾＺｾ ｬ ･ ｬｬ ｣Ｚｳ Ｎ＠ ｾ ｯｮ ｾ ｬ､･ｲ＠ the t'ol I. .Proposa I of ｏ ｰ ･ｬＧ ｾｾ＠

2. Discovery of polymcraJ;.:.

3 . ｅｳ ｴ ｵ ｢ｬｩ ｾ ｨｭ ･ ｴ＠

c. d

l ur

RN.A

TIH! photoperiod required to induce llowering is rdl! rred to ｡Ｎｾ Ｚ＠

'\. Shott -dny leng1h b. ｌｯ ｮ ｾ Ｍ､Ｎｴ ｹ＠ length c.. Cri tiql day length d. Jnlcrvening li gbl period e. c

101. Whic;h oue of the following baeteri:' iH associ.;lled wlU• the ｾ･･ ､＠ ga(l netnalo(le (Anguilla $p.) responsible for " E:•r Cockle ofwheat'•l 11. Clavibn-=tcr triti ci b. ｅ ｲｷｩｮ ｩ ｾｴ＠ c.artovora c. CJavihacler rnlc;l rl g;J.nense d. .Rul,Loniil solanacearum

e. ·-1 02. JV(;llch List- T with List IT ;md suk'ct. the

COin.'Ct anBWI.T using tl, .., codu ｧ ｩ ﾥ ｾＧＱＱ＠ belnw the lists: List I (Nl! nh' of the ｄｩ ｳｾ｡ ｳ ･Ｉ＠

.l\. Ste m rot of paddy B. Wilt of colton C. ｒｾ､＠ rot of s·ug;m::3ne www.examrace.com

IAS Prelims 2009 Solved PaperErwirua carotovora

2. C'olletotri tJhmn tl!lcatum • . }. Fusarium uxysporum 4, Sc!.;rotlutu oryzne ｃ ｯ｣ｬ･ ｾ＠

A. B c D a. 3 4 I 2 b. 'I 3 2 I c. ' •' -t 2 I d. 4 ' ｾ＠ 1 2

e. b 103. Heterospory and origin of seed l1abit was

ｮｯｴｩ｣ｾＺ､＠ forlhe ｦｌｔｾｴ＠ tlm1.: in: J . [s OCtt.:S

b. Lycopodium c.. Selaginella d. MarRilea e. c

104. Which one of the following l•ryophyte has stomata present in tht: sporophyte? ;t. Riccio b. Dumortiera c. Marchantia d. ａｮｴｬ ｴ ｏｃ＼Ｚｉ Ｇ ｏｾ＠

C- d l05. Rcscl]llnC. an active alkaloid

from:

106.

:l'. Airopa belladonna b. Calharnntlius ros us. c. Digitalis Jlll'll re + d.

ＭｾＭＮＮＮ ･｜ﾷＧ Ｇ＠ n:l ｾ｡ｊ＠ ( HI'SS) inerl.(195S)

c. Braun ( 1959) d. Gulla and Mabeshwnri (.1964) <'. a

107. Consider the follawing statements: Liokage is a phenomenon lo \Vlcich 1. linked gene. does not show independent

segregation.

lOll .

tle mtensJty o ln. ·age et\veeu two ｧｯＺＺｮｾＺｳ＠ is directly proportional to thu distance betwe.en them.

3. the effecl of linkage is more clearly noticeable in buck-cross generation.

<1 . the ｦｲ･｣ｬ ｴｬｬ Ａｬｬｾｙ＠ of recol!lbina!ion between ｾｷｯ＠ Unked genes qrUJot excet;£1 5 0°'..

\\lltich.ofthe statements given above is/.are com:ct?

:1. J only b. 1 artd 4 c. 1, 2 nnd 3

b. c, d. 5 rnnp ｾ ｮ ｩｬｳ＠

e. a 109. Wlto for lhe fw;t time <.:Xpcrimcntally

demonstrated Lbat only DNA of Lhe

bact.:riophagc enten. the hust cell antl not ll1e ー｢ｾｧ ＡＡ＠ [lrotein'/ a. ]3eadlt: af]d Tatum

b. Jacob and i\ lonod

c. Luria and Delbruck d. l:len;lu:y ｾｮ､＠ Chase

"" d l Hl , ｔｨｾ［＠ diploid chroroq;;.on1e JlUfill)er of the

garden ｰｩＡｾ＠ is 2N = 14. How many difiereui trisomies could be fanned in this ｰｬｾ ｮｴ ＿＠

:t. 7 b. 14

c. 2l d. ｾＲ＠e. a

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IAS Prelims 2009 Solved Paper

a. by tbe

b. non -condo.:ns..:d ｣｢ｲｯｴｮｏｓｉｊｬｬＡｾ Ｍ

C. E3ch chrmnosome thou!!J' 3llparently

loul..s Ilk..: a ;inglc ihrc3j), 11> ｡ｾ ｴ ｵ｡ｕｹ＠

mndc up oft wo threads. d. Tho chromosome is ｲｩｾｨ＠ in 01\A. l', a

ｉｉｾ Ｎ＠ The centromere or pnmary conJ>trictJOn lhe

chromosom<.: contains rings or proteins that

are inlimJtely 3Ssocilltod with a spindle librc. 'These rings arc ＮＺｾｬｬＮＺ､＠

IIJ.

ＱＱｾ Ｎ＠

a. Centrioles b. Secondary constrictions c. Aste.-s. d . Kin etochore

d

•. 24 b. 28 c. d.

115. rol-.:n o.:hromo<omal ettds are 3nd Lend to fmc. I lnwwCT. lhe end,

of inl3ct o.:hromo<nm.:s ar..: stublc and do not fuse: in ｾ ｰｩｬ･＠ of ーｲｯｳｾ＠ '!ICC of DNt\ lia;a5c in the nuclt:us. \Vlticlt of the ｦｯｕｯｷｩｮｾｴ＠coultl e,-t[l lain tbe st:•hllity nf ｣ ｬｴｲｮｮ ｯｾｯｭ｡ｩ＠ends'/

u. rescoct: o c.:o om..:nc seq ucnccs h. P I"GCnce or repeale<l SOCfUCnccs c. Pn:scnce of ｾｰｴＺ･ｩｬｩ｣＠ nu:mhrnnt: around

the chromosomes. d. ｐｲ･ｳ･ｮ｣ｾ＠ of teJomeric sequences 1!. d

I JCi. Semi-conservatiw rcpli.:ation of .:ubryotic genetic mntc:nal ｷ［ｾｳ＠ first demonstrated by faylor el a1 u;ing root tip cells of

117.

membrane? :1.

b. • I I the followin¥ ｳ ｴ｡ｴ ･ ｭ ･ ｮｴＮ ｾ＠

ｾ ･ＬｕｊＧｃｉｉｴ･＠ ｴｩＮｾｳｵ･＠ fonns U1c outcrmnst layer 11f endosperm in ｭ｡｢ ｾ･ Ｎ＠

2. Aleurone tissue helps in ｬｨｾ［＠ nutrition of embryo dnring germination.

Which oflhe statements given ｾｨｯｶ･＠ isl:•ro correct? a. I only b. 1 only c:. lloth I nnd 2 d. Neither l nor 'J e. c

ll!J. Which ooe ofl11e folio,, ins ､ｾｳｯ･｢＠ i1 oot a nutritive tissue'? a. T3pi:lum b. Endospc:nn c. Endothelium d. F..tldQtlleciu(l'l l'. d

J 20. The protein in lhc poll<:n ''all ｕＱｾＱ＠ ｣Ｓｵｳ｣ｾ＠

［ｾｬｬ｣ｲｧｹ＠ is contributed by : a. Exine b. Pollen cytoplasm c. Tapetum d. lntinc l 1

• c

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