2018

(1)

SS42Bio.

No. of Questions 30 No. of Printed Pages 11

C _mÜ`{_H$ narjm

^,

²⁰¹⁸

SENIOR SECONDARY EXAMINATION, 2018

Ord {dkmZ

BIOLOGY

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^{: 3¼}

KÊQ>o nyUmªH$

^{: 56}

narjm{W©`m| Ho$ {bE gm_mÝ` {ZX}e

GENERAL INSTRUCTIONS TO THE EXAMINEES : 1) narjmWu gd©àW_ AnZo àíZ nÌ na Zm_m§H$ A{Zdm`©V {bI| &

Candidate must write first his / her Roll No. on the question paper compulsorily.

2) g^r àíZ H$aZo A{Zdm`© h¢ &

All the questions are compulsory.

3) àË`oH$ àíZ H$m CÎma Xr JB© CÎma-nwpñVH$m _| hr {bI| &

Write the answer to each question in the given answer-book only.

4) {OZ àíZmo§ _| AmÝV[aH$ IÊS> h¡§, CZ g^r Ho$ CÎma EH$ gmW hr {bI|&

Sl.No. : Zm_m§H$ ^{Roll No.}

TEAR HERE TO OPEN THE QUESTION PAPERTear HereàíZ nÌ H$mo ImobZo Ho$ {bE `hm± \$mS>|

(2)

5) àíZ nÌ Ho$ {hÝXr d A§J«oOr ê$nmÝVa _| {H$gr àH$ma H$s Ìw{Q> ^/ AÝVa ^/{damoYm^mg hmoZo na {hÝXr

^mfm Ho$ àíZ H$mo ghr _mZ|&

If there is any error / difference / contradiction in Hindi & English versions of the question paper, the question of Hindi version should be treated valid.

6) IÊS> àíZ g§»`m A§H$ àË`oH$ àíZ

A ^{1 - 13} ¹

~ ^{14 - 24} ²

g ^{25 - 27} ³

X ^{28 - 30} ⁴

Section Q. Nos. Marks per question

A 1 - 13 1

B 14 - 24 2

C 25 - 27 3

D 28 - 30 4

7) àíZ H«$m§H$ 14, 27, 28, 29 d ³⁰| AmÝV[aH$ {dH$ën h¢&

Question Nos. 14, 27, 28, 29 and 30 have internal choices.

(3)

IÊS> - A

SECTION - A

1) Ag§JOZZ H$s n[a^mfm ~VmB¶o& ^[1]

Define apomixis.

2) JmoZ¡S>moQ´>°m{nZ hm°m}Z H$m Zm {b{I¶o& ^[1]

Write the name of gonadotropin hormone.

3) q~Xþ CËn[adV©Z {H$go H$hVo h¡? ^[1]

What is point Mutation?

4) 21 d| H«$momogmo H$s EH$ A{V[a³V à{V Am OmZo go CËnÝZ H«$momogmor¶ {dH$ma H$m Zm ~VmB¶o&^[1]

Name the chromosomal disorder which is caused by the presence of an additional copy of the chromosome number 21.

5) mZd {dH$mg Ho$ H«$ | {H$g mZd H$s {XmJr jVm ^650-800 grgr Ho$ ~rM Wr? ^[1]

The brain capacities of which man were between 650-800 cc in course of human evolution?

(4)

6) ""E§Q>Ar~m {hñQ>mo{b{Q>H$m'' ZmH$ àmoQ>moOm¡AZ Ûmam CËnÝZ amoJ H$m Zm ~VmB¶o& ^[1]

Name the disease caused by the Protozoan 'Entamoeba histolytica'.

7) dh à{Vajm ³¶m H$hbmVr h¡ {Og| eara H$s ajm Ho$ {bE ~Zo ~ZmE à{Vajr grYo hr eara H$mo {XE

OmVo h¡? ^[1]

When ready-made antibodies are directly given to protect the body then the immunity is called?

8) A§V àOZZ H$s n[a^mfm ~VmB¶o& ^[1]

Define inbreeding.

9) àW à{V~§YZ E§S>mooÝ¶y{³b¶oO H$m Zm ~VmB¶o& ^[1]

Name the first Restriction Endonuclease.

10) à{VOZ-à{Vajr nmañn[aH$ {H«$¶m Ho$ {gÕmÝV na AmYm[aV narjU H$m Zm ~VmB¶o& ^[1]

Name the test which is based on the principle of the Antigen-Antibody interaction.

11) ~m¶monmBaogr H$s n[a^mfm ~VmB¶o& ^[1]

Define Biopiracy.

(5)

12) dZmoÝybZ H$m H$moB© EH$ Xþîà^md ~VmB¶o& ^[1]

Write any one illeffect of deforestation.

13) {H$Ýhr Xmo J«rZ hmCg J¡gm| Ho$ Zm ~VmB¶o& ^[1]

Write name of any two green house gases.

IÊS> - ~

SECTION - B

14) EH$qbJr àmUr d {ÛqbJr àmUr | A§Va ñnîQ> H$aVo hþE àË¶oH$ H$m EH$-EH$ CXmhaU {XOr¶o&

[1+½+½=2]

AWdm

Ab¢{JH$ OZZ {H$go H$hVo h¡? Ab¢{JH$ OZZ H$s Xmo {d{Y¶m| Ho$ Zm {b{I¶o&

Write the difference between unisexual and bisexual animal. Give one example of each.

OR

Define Asexual reproduction. Give name of two methods of asexual reproduction.

(6)

15) ^«yU Ho$ A§Vam}nU Ho$ níMmV² ¶{X Anam H$m {Zm©U Zhr hmoVm h¡ Vmo ^«yU n[adY©Z na nS>Zo dmbo à^mdm|

H$mo gPmB¶o& ^[2]

What will be effect on embryonic development if Placenta does not formed after implantation explain.

16) ¶m¡Z g§Mm[aV amoJ {H$go H$hVo h¡? BZ g§H«$Umo go w³V ahZo Ho$ {bE {H$Z {Z¶mo§ H$s nmbZm H$aZr

Mm{hE? ^[1+1=2]

What is sexually transmitted disease? What principles should be followed to free from these infections?

17) Q>oånboQ> aÁOwH$ d Hy$Q>boIZ aÁOwH$ H$s Y«wdVm ~VmB¶o& S>rEZE H$s AZwboIZ BH$mB© Ho$ VrZ ^mJm| Ho$

Zm {b{I¶o? ^[1+1=2]

Write polarity of template strand and coding strand. Write three regions of transcription unit of DNA.

18) OrdZ H$s CËn{Îm Ho$ gå~ÝY | {ba Ho$ à¶moJ H$m dU©Z H$s{OE& ^[2]

Describe the Miller's experiment related to origin of life.

19) ZdOmV {eew Ho$ {bE m± H$m XÿY ~hþV hr Amdí¶H$ hmoVm h¡ H$maU g{hV gPmB¶o& ^[2]

Mother's milk is considered very essential for the newborn infant explain with reason.

(7)

20) A§V {d{eîQ> g§H$aU H$mo CXmhaU XoH$a gPmB¶o& ^[2]

Explain the Interspecific hybridization with example.

21) AmZwd§{eH$V ê$nmÝV[aV nm¡Ym| Ho$ H$moB© Xmo bm^ ~VmB¶o& ^[1+1=2]

Write any two uses of Genetically modified plants.

22) g{îQ> KZËd H$mo à^m{dV H$aZo dmbo Mma yb^yV àH«$m| H$mo gPmB¶o& ^{[4 × ½ =2]}

Explain four basic processes which affect the population density.

23) gh^mo{OVm d ghmonH$m[aVm H$mo CXmhaU XoH$a gPmB¶o& ^[1+1=2]

Explain Commensalism and Mutualism with example.

24) O¡d {d{dYVm H$s j{V Ho$ {H$Ýht Xmo H$maUm| H$mo ñnîQ> H$s{O¶o? ^[1+1=2]

Explain any two reasons which causes the losses of biodiversity.

(8)

IÊS> - g

SECTION - C

25) namJU H$s n[a^mfm ~VmB¶o& dm¶wnamJU d ObnamJU H$mo CXmhaU XoH$a gPmB¶o&^[1+1+1=3]

Define pollination. Explain wind and water pollination with example.

26) mZd | qbJ {ZYm©aU H$s à{H«$¶m H$mo aoIm{MÌ Ûmam gPmB¶o& ^[2+1=3]

Explain sex determination in humans with line diagram.

27) à{V~§YZ E§OmB Ho$ àH$ma {b{I¶o& ""g§dmhH$ d ómoV ^DNA H$mo EH$ hr à{V~§YZ E§OmB Ûmam H$mQ>Zo na hr nwZ¶m}JO S>rEZE AUw H$m {Zm©U g§^d h¡'' H$maU gPmB¶o& ^[1+2=3]

AWdm

nwZ¶m}JO ^DNAH$mo n[a^m{fV H$s{O¶o& {dOmVr¶ ^DNAH$mo nanmofr H$mo{eH$mAm| | àdoe H$amZo H$s {H$Ýhr Xmo {d{Y¶m| H$mo gPmB¶o&

Write the types of restriction enzyme. "Synthesis of recombinant DNA molecule is possible only when the vector and source DNA is cut by the same restriction enzyme" explain reason.

OR

Define recombinant DNA. Explain any two methods of introducing alien DNA into host cell.

(9)

IÊS> - X

SECTION - D

28) i) AZwboIZ (Q´>m§g{H«$ßeZ) {H$go H$hVo h¡?

iii) à{VH¥$V {ÛemI H$m Zmm§{H$V {MÌ ~ZmB¶o&

[1+2+1=4]

AWdm i) AmZwd§{eH$ Hy$Q> ³¶m h¡?

ii) AmZwd§{eH$ Hy$Q> H$s Mma {deofVmE± {b{IE&

iii) t-AmaEZE-AZwHy$bH$ AUw H$m Zmm§{H$V {MÌ ~ZmB¶o&

i) What is transcription?

ii) Describe the structure and function of Lac operon.

iii) Draw a labelled diagram of replicating fork.

OR i) What is genetic code?

ii) Write four salient features of genetic code.

iii) Draw a labelled diagram of t-RNA-the adapter molecule.

(10)

29) i) à{VO¡{dH$ H$mo n[a^m{fV H$s{O¶o&

ii) H$dH$ H$m Zm {b{I¶o Omo n¡Zr{gbrZ CËnÝZ H$aVr h¡&

iii) à{VO¡{dH$m| Ho$ Ûmam CnMm[aV {H$Ýhr Xmo amoJm| Ho$ Zm {b{I¶o&

iv) OrdmUw^moOr H$m Zmm§{H$V {MÌ ~ZmB¶o&

[1+1+1+1=4]

AWdm i) {H$ÊdH$ {H$go H$hVo h¡?

ii) bop³Q>H$ Aåb Ho$ Am¡Úmo{JH$ CËnmXZ | {H$g gyúOrd H$m Cn¶moJ {H$¶m OmVm h¡&

iv) àmê${nH$ ~m¶moJ¡g g§¶§Ì H$m Zmm§{H$V {MÌ ~ZmB¶o&

i) Define antibiotic.

ii) Name the fungus which produce Penicillin.

iii) Name the two disease which are treated by antibiotics.

iv) Draw a labelled diagram of bacteriophage.

OR i) What is fermentor?

ii) Which microbes is used for commercial production of lactic acid.

iii) Name two bacteria which are used as biofertilizer.

iv) Draw a labelled diagram of typical biogas plant.

(11)

30) i) nm[aV§Ì H$mo n[a^m{fV H$s{O¶o&

ii) nm[aV§Ì Ho$ {d{^ÝZ KQ>H$m| H$mo g§{jßV | gPmB¶o&

[1+2+1=4]

AWdm i) àmW{H$ CËnmXZ ³¶m h¡?

i) Define ecosystem.

ii) Describe different components of ecosystem in brief.

iii) Give a diagrammatic representation of trophic levels in an ecosystem.

OR i) What is primary production?

ii) Explain energy flow in ecosystem.

iii) Give a diagrammatic representation of energy flow through different trophic levels.

2018

SS42Bio.

C _mÜ`{_H$ narjm

²⁰¹⁸

SENIOR SECONDARY EXAMINATION, 2018

Ord {dkmZ

g_`

KÊQ>o nyUmªH$

IÊS> - A

IÊS> - ~

IÊS> - g

IÊS> - X

Q Q Q

DO NO T WRITE

ANYTHING

HERE

2018

SS42Bio.

C _mÜ`{_H$ narjm

2018

SENIOR SECONDARY EXAMINATION, 2018

Ord {dkmZ

g_`

KÊQ>o nyUmªH$

IÊS> - A

IÊS> - ~

IÊS> - g

IÊS> - X

Q Q Q

DO NO T WRITE

ANYTHING

HERE

SS42Bio.

C _mÜ`{_H$ narjm

²⁰¹⁸