Pre University Board 2011 P.U.C Physics, Chemistry, Maths & Biology Biology - Question Paper
Total No. of Questions : 42 ] Code No. 36
Total No. of Printed Pages : 8 ]
March, 2011
( Kannada and English Versions )
Time : 3 Hours 15 Minutes ]
[ Max. Marks : 90
( Kannada Version)
: i) rte.&d cS rtxto&bzi z33S/(sfeb,
Q C3 c( V
ii) rbt&lsid 3ed3rbsao,.
1 doiood tsotib dd qto Zo<x> sysd : 5x1=5
1. gise enrisSoto *>od#rd<), Iraes* 3eod,>od loes* djaSo-Sai l0dO00.Sj RNA C&F& wZjOZj.
6 et
2. Sdeo) s3r?j orrsosi (Secondary meristem) Z-jOd) eracresodrf $JdQ.
3. zp% Zodd? (Wall pressure )
4. tro&osud rioydFi ( Respiratory quotient) ssaja.
5. SdDo-eorr5- dOrssdD >odde?i> ?
#i dris? oftsscddjs sxis drtrt doiooddj 2 Ood 5 syrttf, eraOS) : 5x2=10
6. K&OTdrfdS (Translation ) dorts &Q&.
7. eSe? q5d& <aodd?F& ? dd >#rtsfe ,as?&.
8. duadsfj*' ( Duramen ) d: oordj* ( Alburnum ) sSdid dod-oira4roddj2 <adck dssir>$&.
9. eOfj addco (Water potential) dd d sjSrtsk 3s?Ai.
10. f\z$p)3*fi ciredjcrodd, sracOj eodo&D.
11. ddf3rtc&?k. s&drSrtofc 3d;>&?j<) ( Growth curve ) odisodid aJortSrtui, dOSj.
-c
3s atos&rodci tocOj srtert soi&ode edscd 200 - 2 9 ddriv todcQoO : 4 x 5 = 20
12. DNA 0* sroys4, cosrlo 3,5* wSafc? Zjttrtrts rtodod 23 dQj.
13. a.<353*.<a. zide osrarfd ( DNA fingerprinting technique ) &># aoOrts )dOAi.
14. Seoft s3ddd dsijd fcdd s&ee? ( Secondary wall thickenings ) arUiF'tfdrts (Xylem vessels) zTiri rfccb3Sjd risjSo &d0&.
15. 2Js4Kf?5 ddd s&ed dOresd: 23ed:d esoosiris du, siraa <adO>.
16. a) w3o0%&es?oi> erlrts* rbd&d sad? jjdoO. 2
b) 23d,eoi d3-ap&i3,0)e3dr3 ( Cyclic photophosphoiylation ) ds 5>23d,eoft
( Non-cyclic photophosphorylation ) dd
Coj4)c)cj c)ddj<D dd tj3a. 2
c) sSed&oed, (Glycolysis ) wrtd rtrtsfc 3&0O&. 1
17. 2&d ( Golden rice ) dJ3i>d SoOrWfi <3d0>.
I.: 3s dris oiredpdjs t-octo 2 : 1x5 = 5 18.. 53sjf-3T3 d,o&oiroo8r! Kti/s* wdo,d oiraesssoc adjsdffo&rf ( Schematic representation ) eodo&O.
19. 3s eadrarte* ijsa : 5x1=5
a) 40,3i>o3j3eFk25* sfosfsyaSorttf: o&iff'soiraeFiSe'5' dosr52orts?fto3 erod ssaftd d.
CO -J>
b) doc&3 ( Girdling) d,c&3erid<) z&cbrtsk djsda: zracctod.
c) AUG oo sjdozptf ?5o3e3.
d) SieO&ssaft Sed? cof&lradjdi ( Passive absorption ) 3ori<i 3oJ3& fS) wrto d.
-PM -J
e) sloiodoSxicbd &&srtsfe sira-rfjarkjlsk djsroft eni&crata d,o&o& soiraerW, zo&sd.
(soioefi sJestori stfrtsk djj>3,)
II. 3s ofcssrodii uozis drt eraOS) : 1x5 = 5
20. sft.d <3dccb s>d MVicfc jpartrtskto, rbcfcd zMdsb, zodosoO.
> o& < V i
21. 3jsoknd ds?s?o, ( O 2 j sraoirartod docedf 3,o>o& dpioerid? rtrisfci rtocb,&d zad/soart >dO&.
/
3s 3S$j\<$A soiraoridfy 2*>oc) s3d ssqiOT oc> enOft : .5 x 1 = 5
22. 'SSayprar sjsoak (Incomplete dominance ) sis><g| ss?Sosj3sjrf ( Phenotypic ratio)
23. CsCdJsOSj? sto6sj36.
24. siracft cjrioddefk ?
25.
26. riods>d)F3 Sodra 3o?oO&.
3s oifoscjd sock 2 Ood 5 sysris :
5 x 2 = 10
27. Y&ti$ ts?&53o2>eo>;3 >ocSde?S5 ? vorosodra IraQ.
28. s>r3?j siodri odde?i) ? >dc& oirso aqrosScj s&fsS odflcdD 3o3G).
29. $j2do> enjc d:>i3o& ( Global warming ) >dc& sdrsrto &dc> sSGrs&ri' codc&O
30. sftoiraesDSro&o* 'spDojs6' <3oddesk ? ssrfd oiras&snddjs add> zodc&s.
31. ds&eso djserid ( Gonorrhoea) oirasroridjs freec sjt siroa.
32. ?&;& >&$ SoOr! 3osS0A).
3s oiroroddjs srao essteecS 200 - 250 sidrtsQ,
Sodo&S : 4 x 5 = 20
33. sfcodori sl&afc ac&sksfob &$%. odi ?lo3 eroOTSodrfoftfk, loifc, dO&. -
y o <* .j ot eJ
34. sSsrfisrf zZtrsZFoii scodo d3rd &3|d sSersrojioi)? >dOSj.
35. sSed 4, oddeFi; ? sSed dBsid wrtd erogjoieriri? dO&.
36. a) Bjdd, <aodde?i> ? dd <&$&. 2
b) rt l?? zsaoisadojo d,c&o>> diedjae&dtf rt.oao>> 3 a asart B
e* / co _ n
tSedjaedrW sra3,s5& ? 2
c) djarfd di3,&odd dzfea d dpisad #>135 soos,. l
37. djarfdrf <Dea&3FrsD<Dc3 srtri rbckl&d sSdrf zodoO.'
38. dfe3oj,5yp4ao oiresddjs sodo dsinarts ( Hormones ) soOSj. d,3oiodlA odjaodi Sac&Fd? &a.
ZjX>7i - H
I. 3s &F)fS o&adpaddja z*oj> dri eroO : 1x5 = 5
39. djarfd szraori ssod zsrtrte rtcb&zri csdrf zodcxoO.
40. 3s sadra &Q : 5x1=5
a) codjaeOc&ad? d,s3sra,dd ( Bleeders ) djaeridFisd.
b) Lz&aeFs6' dddd) z3ed s&dil wdoi&e rtofld.
c) &eftoo ddsi' Soari zjaeocijarts? djsieririrl z3?ri &>;a rtesa ?5.
d) tsdts6" ( Oxalate) dzcbd wssadd coirad wdLoer zcdq,.
e) drisfc ( Ventricles ) draF (Atria) dAo3 ddAcbd.
( sjcdjsefttf gjds&d gjrteb dja, )
II. 3s oirociaddja t*ods drl'eroO : 1x5 = 5
41. zpurtrts rfcdod zsdjaoart adoaoadofcs ( Liver lobule) <DdO>.
42. a) ricjFo&dsoartd ( Unfertilized ) 3djO> ocsrarao rtrts rtocbd
zdsk, zodcsoO. 2 -> *
b) Goi'aeOT* 3ooi?Z33 orraodd! <Dd cSed&aesSrtsfc! So?dO*>. 2
c) zojad dOeofc sjdsiO >?..? 1
Instructions :
i) Draw diagrams wherever necessary.
ii) Unlabelled diagrams do not get any marks.
Answer the following questions in one word or in one sentence each :
5x1=5
Name the RNA that carries information from nucleus to cytoplasm during protein synthesis.
Give an example for secondary meristem.
Define wall pressure.
Define respiratory quotient.
What is Richmond-Lang effect ?
Answer any Jive of the following in 2 to 5 sentences each : 5x2=10
Mention the four steps involved in translation.
What is gene therapy ? Mention its types.
Write any two differences between duramen and alburnum.
Define water potential. Mention its components.
Write any Jour physiological roles of Gibberellins.
Define growth. Name the different phases of growth curve.
Answer any four of the following in abouf 200 to 250 words each wherever applicable : 4 x 5 = 20
12.. Explain Watson and Crick model of DNA with a labelled diagram.
13. Explain the steps involved in DNA fingerprinting technique.
14. With labelled diagrams explain the secondary wall thickenings of xylem vessels.
15. List and explain the different external factors affecting the rate of transpiration.
16. a) Draw a labelled diagram of section of chloroplast. 2
b) Give any two differences between cyclic photophosphorylation and non-cyclic photophosphorylation. 2
c) Name the site of Glycolysis in cell. 1
17. Explain the steps in production of Golden rice.
I. Answer any one of the following : 1x5 = 5
18. Write the schematic representation of citric acid cycle with preparatory phase.
19. Give reasons for the following : 5x1=5
a) Prokaryotic genes are longer than eukaryotic genes.
b) In girdling experiment, the roots die first.
c) . AUG is initiator codon.
d) In plants passive absorption of water takes place during daytime.
e) Germinating seeds or flower buds are usually used in the experiments of respiration.
( Questions only from the Practical Syllabus )
II. Answer any one of the following : 1x5 = 5
20. Draw a neat labelled diagram of T.S. of monocot leaf.
21. With a labelled diagram, describe the experiment to demonstrate the evolution of 02 ( Oxygen ) durirtg photosynthesis in the presence of
.sunlight.
PART II ( ZOOLOGY ) SECTION - E
Answer the following questions in one word or one sentence each :
5x1=5
22. Give the phenotypic ratio of incomplete dominance.
23. Define dialysis.
24. What are narcotic drugs ?
25. Define interferon.
26. Name the surgical method of sterilization in human male.
Answer any/tue of the following in about 2 to 5 sentences each :
5 x 2 = 10
27. What is Y linked inheritance ? Give an example.
28. What is soil conservation ? Name any two mechanical methods of soil conservation.
29. Write any two causes and two effects of Global warming.
30. What is myocardial infarction ? Write any two symptoms of it.
31. List any Jour symptoms of Gonorrhoea.
32. Name the different phases of menstrual cycle.
Answer any Jour of the following in about 200 to 250 words each wherever applicable : 4 x 5 = 20
33. State Mendels law of segregation. Explain it with a suitable example.
34. Explain the digestion of carbohydrates in human digestive system.
35. What is biodiversity ? Explain the ecological benefits of biodiversity.
36. a) What is double circulation ? Mention its types. 2
b) Mention the role of a and (3 cells of pancreas in glucose metabolism, 2
c) Name the structural and functional units of human kidney. 1
37. Draw a labelled diagram of human sperm.
38. Name any Jive hormones secreted by adenohypophysis Of pituitary. Give one function of each hormone.
I. Answer any one of the following : 1x5 = 5
39. Draw a labelled diagram of human respiratory system.
40. Give reasons for the following : 5x1=5
a) Haemophilia is called bleeders disease.
b) Ozone layer is beneficial to biodiversity.
c) AIDS patient is more susceptible to bacterial and viral diseases.
d) Excessive consumption of oxalate rich food is not good for health.
e) Ventricles are thicker than atria.
( Questions only from the Practical Syllabus )
II. Answer any one of the following : 1x5 = 5
41. With a labelled diagram, explain the histological details of liver lobule.
42. a) Draw a labelled diagram of unfertilized egg of frog. 2
b) Name the different types of cells of areolar connective tissue. 2
c) What is the significance of Biuret test ? 1
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