Pre University Board 2009 P.U.C Physics, Chemistry, Maths & Biology Biology - Question Paper
Code No. 36
Total No. of Questions : 42 ] [ Total No. of Printed Pages : 8
March, 2009
( Kannada and English Versions )
Time : 3 Hours 15 Minutes ] [ Max. Marks : 90
( Kannada Version )
: i) .ad d nartrt>b rtbdbftd 3,rt>b Qft.
6 co 4 cR y cR
ii) art rt>b rtbdb,d odrt>ct aeddartbd)S<,-
- I (,,.33,)
- a
X>A d,4rt$rt d,<>oddA odb dd dda odb dad.d 3 Oft : y y 6 4 & co -d
5 x 1 = 5
1. Wd*.0*.0. ( RNA ) db-bd dole,* Sdrd ( Pentose sugar ) db ,Oft.
2. ,,.n> edo3 wad onao ( Living mechanical tissue ) db ,Oft.
3. o3,dra ( Imbibition ) db da.za.ft.
v ' 6 6
4. a,5*db* dOabrt$,bd o adbdb ( Law of limiting factors ) db dbO.
5. ,,.rt> O*dbod*-da,on* dO}adb o&bd/dod d,d>3 ( Hormone ) db
6 co 6 ot,
,Oft.
- b
X>A <d/>d)add) dodd 2 Ood 5 dad
3 Oft : 5x2=10
_D
6. Q.0.0. ( DNA ) (dbS-bd qaeoO,<db ( Sense ) db3 dqaeoO,<db ( Antisense) 0> n> doa d63a>6,deb ?
7. d o*,o<e3 Q.0.0. ( RecombinantDNA ) 3o3qadoddeb ? - 0ddb ,<dbrt > bt deft.
oi cR co
8. da,.- oddra db3b fte-odd/ dba dsa,., dbO.
9. rod, a,&F ( Transpiration ) 0Oddeb ? - 0ddb &rt>b dft.
10. nfts* wdb d 0ddb Oeda,d/3. d yadbrrtb d eft.
CO y o cR CO
11. 0*.0.0. ( NAA - Naphthalene Acetic Acid ) db 0d db dbrt>b dft.
- C
X>A d/>d)add >4 djSrtn dodd d.add 200 - 250 ddrt>0 dbO : 4 x 5 = 20
co
12. Q.0.0. ( DNA ) db dbrtbd d,odd\}a dd aad ( Semi-conservative method of DNA replication ) 3,dbdbb adOft.
13. Q.0.0. JoJqa ( DNA fingerprinting technique ) oJrt>R &dOft.
14. an n>, ndftddjdoan p UC-18 dd&doft.
15. Ar ,o( ( Lignification ) Wadd doe ada> ( Tracheae ) rt>, rtocbftd Jrt>oart &dOft.
16. ,,>0 aoX (Ascent of sap ) rt yadradaAdod OTdj &,&Fa 0>J ftna,oJ ( Transpiration pull theory ) d, &dOft. - 0ddo nra ( Merits
) n>, do.
17. dad dO}ado ( Pasteurs effect ) 0Ode ? ftoa&d ddd0 a(so;,d
(/>d)a>dd aco@ ort>ot &dOft.
i. x>a d,4,n> (/d)ad& oo d,4n Joft
1 X 5 = 5
18. X X add } ( Schematic representation )
doO. 5
19. X> d)rt yad ra XQ : a) ,oXeJ ad ( Genetic code ) (o ,adrX. d & ( Golden rice ) >Q oQCbJ .
L 6 y ct -o
5 x 1 = 5
b)
c)
d)
e)
na$(o eftd oJ d, aoX ( Ascent of sap ) ( d b J .
6 co v ' 2 _o
6 co
, ,ad X (dgeo) n > ftoa&d art ( RQ ) ,aadradaA 1 a@oJ XQdodo J .
_D
Xda(j ( Carotenoid ) doJ yapO ( Xanthophyll ) rt>, WdoAX ( Accessory ) db,o4,edra drar,d6rt>3l3aod.
XRn>,3 d/j)
X>A (/d)ad& o d, Joft : 1x5 = 5
II.
20. a) >d( &dd&d5d 0>( aX> yao0,d5d a$X
d)o ( Vascular bundle ) yoddad JdR ddo artri>0R
4
b) d)aod 0(32r edo) ( Hypostomatic ) 0d(odb aX Xd(ojad ? 1
,,>0 y,d adj JeO,co odo d/ertdR &dOft.
21. a)
4
b) d/ertdS ,ra aedo ( Limewater ) aeort ,eOftart o,,.rt>
co ro O co
dortd(/nd wdo&Xd d,d/rad XQdo(/>njd. aX? 1
X>A d,irt$rt dodXA odo dd ro> odo dX.d J Ob : y y 6 4 6 co _o
5 x 1 = 5
22. ,oXd ( Dihybrid cross ) d <X\ra ,doj DdsJ ( Phenotypic ratio ) db eb.
c CO
23. - eXdra ( Afforestation ) 0O deD ?
24. dort bPos* oid d,Ob.
25. ,%es TOjd dzpb.
26. jo do Jo $rad dod,, dddrrt> iOeda/JX PadoosA dod {pX
, od Xf ( Organic connection ) d0 d,Ob.
X>A drtS, d/dddd d;4tnn 2 Ood 5 drt Job :
5 x 2 = 10
27. J$ dpdJ ( Genetic diversity ) do JO dpdJ ( Habitat diversity ) rt>
doP d, J3.,db doO.
6 6
28. do ,dX$ 0odeo ? dX, sdradd 0ddo oirt>oJ eb.
rs u ct co
29. JD A d Xo rtoo&rt Jod B rtoo&rt $(oortv ( Heterozygous ) dAdd, ,oJoy dpdod dXod rtoodrt ,eb.
30. d/dX d,d6 ( Narcotic drugs ) rt>oddeD ? S?6<be{s ( Hallucinogens ) rtrt 0ddo ddd} aea.
ot
31. d,? 0oddeo ? dd 0ddo dertoX\rart>0 ,e.Sb.
32. pe/rrao 3,(0 ( Spermatogenesis ) do JO odDra 3,(0 ( Oogenesis) doP dJa,rt>DR dj d/a.
X>A /d)ddd >4 dxirtn ddodX di6Pd_d 200 - 250 ddrt> doO : 4 x 5 = 20
co
33. dJeXJ(D aodo ( Law of segregation ) dD $b. tilzlzb6 ( Pisum
Sativum - Ad ) XPoi,J$ ,oXd ( Monohybrid cross ) d PdOb.
34. ed dpdJdo XDrtPX 0oddeo ? ed dpdJo XortoPXrt sdradAdod
/d)ddd C0@ d/ddo< ( Anthropocentric ) oirt>Dct PdOb.
wXedJ*, ddD* ,0e* X> ( Neck )
40. X> A d,30d Xa od d3>X.d y3ran >p XaQ
> tr 6 CO ct
a)
b)
c)
d)
e)
Xdjd
dljd
d> ( Cleavage ) d ,dD<dd dD
35. d 3dADd <d/>d)dddD 3,dp d0.
36. Xd ( Surface barriers ) n>0deD ? deod <d,ddD dOSD X\s3 d.d, d dDF dD3D S ed. dP ( Mucus membrane ) rt> d33dp d0.
6 cp co _o co & v ' Vet
37. Xd d)rt&D,X(dD;p d3,z>,a. dD3D led * d>o3do3 Xd
_ojeo ct66 eJ_o co cp _e
)jnDJXDDct d0.
38. dD dd d,DD, 03n>DR d0.
e)rt - H
I. X>A dS, </d)ddo dn 3p : 1x5 = 5
39. d/ d e/rraD oddd 3,dD dD X>A rtrt>p nd : S,* ,oe* rood dDD<n >rt, wXaedS5, oX*r, XeSXeod
d, 5
5 x 1 = 5
3<e ( Hypertrichosis ) rtod, d/3, XodDd3q. d3<d0dD0dd 0H3< d/d d,d/ra {</rtDd)d00d $&dD0d< drtX ( Global warming ) Olaribd. d/d dDdp d/0,n0dX ( Myogenic ) dDdd,". 05.0,5.05. ( FSH ) DDrt.3< ( Gametokinetic )
OS dd33 .
c _D
ro ,,eDD*rt>o 3, (/rtD3 d.
CO 0 >j 0 0
ddod d,jri>0 d/3,)
X>A /d)3 o d, 3q0 : 1x5 = 5
II.
41. a) dX SDSDd ( Hepatic lobule ) d d eXd Oddd 3dD dD, X>A mrtrt>p npD.
7 4
dds* &,(d/d*, ds* yrar, dDd, dDdd ddpa ( Central vein ), ds* d ddD, ddDll6, 4
dX)3oD wd0Dd ,0(e&X onoS ( Connective tissue ) d daXdd ,0n). 1
b)
42. a) b)
ot
odD;eD XeS ( Multipolar neuron ) d Oddd 3dp
dD, mrtrt>p nd. 4
7 4 c
doddped /eAd dD3,d Dd n Xe,D d3d.<D >X d/dDd
3
ed,3<dD d0eX, ( Biochemical test ) dd ,0n).
<A ct
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 :
5 x 1 = 5
1. Name the pentose sugar present in RNA.
2. Name the living mechanical tissue in plants.
3. Define imbibition.
4. State Blackmans law of limiting factors.
5. Name the hormone responsible for Richmond-Lang effect in plants.
Answer any five of the following in 2 to 5 sentences each : 5 x 2 = 10
6. Differentiate between sense and anti-sense strands of DNA.
7. What is recombinant DNA technology ? Mention two applications of it.
8. Mention the differences between parenchyma and sclerenchyma.
9. What is transpiration ? Mention two types.
10. Mention two physiological functions of Abscissic acid.
11. Mention two commercial applications of NAA ( Naphthalene Acetic Acid ).
Answer any four of the following in about 200 to 250 words each wherever applicable : 4 x 5 = 20
12. Explain the semi-conservative method of DNA replication.
13. Explain the steps involved in DNA fingerprinting technique.
14. Explain the structure of p -u'-08 with a labelled diagram.
15. With labelled diagrams, explain the kinds of xylem vessels ( tracheae ) based on their lignification.
16. Explain transpiration pull theory of ascent of sap. Mention any two merits of it.
17. What is Pasteurs effect ? Explain any four external factors affecting the rate of respiration.
Answer any one of the following : 1 x 5 = 5
I.
18. Give the schematic representation of Calvin cycle. 5
19. Give reasons for the following in one sentence each : 5 x 1 = 5
a.) Genetic code is universal.
b) Golden rice is yellowish in colour.
c) As the wind blows, rate of ascent of sap increases.
d) RQ value of proteins is generally less than 1.
e) Carotenoid and Xanthophyll are called accessory photosynthetic pigments.
( Questions only from the Practical syllabus )
1 x 5 = 5
Answer any one of the following :
II.
20. a) Draw a neat labelled diagram of the vascular bundle of young Monocot stem to show the anatomical details. 4
b) Dorsiventral leaf is also called hypostomatic leaf. Why ?
1
21. a.) Describe an experiment to demonstrate unequal transpiration in plants. 4
b) The addition of limewater to water in an experimental set-up with aquatic plants decreases the amount of oxygen released. Why ? 1
Answer the following questions in one word or one sentence each :
5 x 1 = 5
22. Mention the phenotypic ratio of a dihybrid cross.
23. What is afforestation ?
24. Name the hyperglycemic factor.
25. Define stroke volume.
26. Name the organic connection between the mother and the foetus that helps in physiological exchange.
Answer any five of the following in about 2 to 5 sentences each :
5 x 2 = 10
27. Differentiate between genetic diversity and habitat diversity.
28. What is soil erosion ? Mention two causes of soil erosion.
29. Mention the possible blood groups of the progeny whose mother is heterozygous for A group and father is heterozygous for B group.
30. What are narcotic drugs ? Mention two examples for hallucinogens.
31. What is rhinitis ? Mention two symptoms of it.
32. List the differences between spermatogenesis and oogenesis.
Answer any four of the following in about 200 to 250 words each wherever applicable : 4 x 5 = 20
33. State the law of segregation. Explain the monohybrid cross in Pisum
Sativum ( Garden pea ).
34. What is biodiversity depletion ? Explain any four anthropocentric causes
of biodiversity depletion.
35. Explain the role of any five enzymes in protein digestion.
36. What are surface barriers ? Explain the role of skin and mucus membrane as bodys first line of defence.
37. Define blood clotting. Explain Best and Taylors theory of mechanism of blood clotting.
38. Explain the steps involved in urine formation.
I. Answer any one of the following : 1 x 5 = 5
39. Draw a neat diagram of the human sperm and label the following parts : Distal centriole, main piece of tail, Axoneme, Nebenkern, Nucleus, Acrosome, Proximal centriole, Neck. 5
40. Give reasons for the following in one sentence each : 5 x 1 = 5
a.) Hypertrichosis is seen only in males.
b) Accumulation of CO 2 in the atmosphere results in global warming.
c) Human heart is myogenic.
d) FSH is a gametokinetic factor.
e) Cleavage in frogs egg results in unequal blastomeres.
( Questions only from the Practical syllabus )
II. Answer any one of the following : 1 x 5 = 5
41. a.) Draw a neat diagram of the T.S. of the hepatic lobule and label the following :
Hepatic triad, Hepatic cord, Sinusoids, Central vein, Hepatic artery, Hepatocyte. 4
b) Name the connective tissue covering of liver.
1
4
42. a.) Draw a neat labelled diagram of a multipolar neuron.
b) Name the biochemical test to detect the presence of glucose in urine sample of a diabetic. 1
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