Pre University Board 2008 P.U.C Physics, Chemistry, Maths
Karnataka second BIOLOGY June 2008 Kan & ENG version is in Pdf Format Check tat beneath.
Total No. of Questions : 42 ] [ Total No. of Printed Pages : 8
Code No. 36
June, 2008
( Kannada and English Versions )
Time : 3 Hours 15 Minutes ] [ Max. Marks : 90
( Kannada Version )
: i) dd d artrt>y rtdo&d S.
6 co * y
ii) art nd,d oXrts aedeand)S<Y.
- I
- a
X>A d4,rt$rt dodXA aod dd aod daXd J 0 :
y ct y 6 * & co -o
5 x 1 = 5
1. wdoyaO ,oXe ( Initiator codon ) dd adoO.
ol
2. ,,rt>0Y ,d> edo ( Simple living ) onaodt ,0&.
3. odd ( Guttation ) dd daZaS).
4. edXed d ( Energy currency ) dd ,0n).
5. dda&rX ( Biennial ) ,,>0 eSpn" ( Bolting ) A yadradaAdd d,dJ (sadred) d d ,0.
- b
X>A d,4tn> /d)add drt 2 Ood 5 daX6rt> 0 :
5x 2 = 10
6. d".0".0. ( RNA ) dSdd d d/S.
7. oqa ( Genetic engineering ) d0 deft&d ,<Xdrart>oi ,e.S&.
8. l,ea(/ ( Trachea ) d0 |e3d ( Tracheid ) do d63a6,rt>bl addO.
9. &d ( Water potential ) dd daza*). dd ddd Ye.
10. { rtdd dazaa. >drtd ;eX ( Growth promoter ) d0 { >drtd aded ( Growth inhibitor ) rtrt aodod dad} XS.
11. 0".0.0. ( NAA Naphthalene Acetic Acid ) ( 0d do Bdd ,e.S&.
x>a /ddadd se4 dnn ddx, 200 - 250 ddrt>p
d.Pd d J - dbO : 4 X 5 = 20
6 co -o
12. J $ ,XeJd db KXrartrfb, d d/S, PdO.
13. S.0.0. nd > b JJqa ( DNA fingerprinting technique ) d PP Jrt>b PdO.
14. {adadbrt> ,ja dOp dSbd dd-Ld) - nra dnard} ( Super-ovulation - embryo transfer ) J Jd PP Jrt>b PdO.
15. odAd n>drt ( Secondary growth ) 0ddeb ? d dnaJO ( Extrastellar ) bdX ndrtbb a,d> PdO.
<=i oi 6 cn
16. d/dOQrt db" ,adbroX d Wad nad ( Munch's mass flow hypothesis ) bb PdO.
17. nadb d OPort$,bd rt> JJz ( Law of limiting factors ) db dbO. db,ed}<b dddb ab,,bd </>d)add) a<b@ na rt>bi PdO.
I. X>A dp, </d)add) o dxn JO : 1x5 = 5
18. dPdrdJa (Preparatory) S/b<Qrt Xn X add} ( Schematic representation ) bb, dbO.
19. X> d)rt $n sad rart > r XS : 5x1 = 5
a) bsaers rtb}arab ( Gene ) rt>b &e>b ebrt>b ( Split genes ).
b) d Sj ( Golden rice ) J d/dbd Addb las5, ( Transgenic ) dJd-
c) na>$<bb ed J nad,P, rb dd b J d.
* j zi &
d) Xe, da&d nart ( RQ ) 1 wAdbJ d.
' cr> cp 03 -o
e) XdeaJL ( Carotenoid ) dbJb 5awJ( Xanthophyll ) rt>b bAX ( Accessory ) db,e}a dradjdn>bRj ad.
ddod d/j)
II. X>A dp, /d)add o dn JO : 1x5 = 5
20. a) >db PddPdbd 0>b PXd> ,,.d neO d e$X (P, Od
6 ca v -e
db nan) ddad Jdb, ddb nartrt>b ribdbn). 4
b) Sd> sadd dPdPOF, ( Hypodermis ) pdbd nadbt PdO. 1
21. d wve/d ( Potato osmoscope ) dert db, nan rt >b, rtbdbd Jdatf PdO. 5
d>A ti,4rt$rt d,Sd>oddA odo tid dd) odo dd.d J on :
y y 6 4 6 co _o
5 x 1 = 5
22. ad aoSJ1 ,odd ( Monohybrid cross ) d Odra ,do otiJ ( Phenotypic ratio ) d o ddoo.
ct
23. d eddra ( Afforestation ) 0O deo ?
24. rt dold,5 ( Gametokinetic ) oSdodo dddodod d,d)J (der)
do ,on.
25. dddod JS ( Cardiac output ) doo dzan.
26. J3do do Jo dod6 tid3drrt> aadodosA dod {ad ,oddr ( Organic connection ) do ,On.
ct
d>A drt, d/d)d3dd) drtrt 2 ood 5 drt, Jon :
5 x 2 = 10
27. J3do A rtoo&rt Jod B rtoo&rt doort ( Heterozygous ) d3ftd, ,oJSdo dadod ddo rtooti)rt>o ,en.
28. d;ed dadJ ( Species diversity ) do Jo d3, dadJ ( Habitat diversity )
n> doa d, J3.,do ddoo.
6 6 ot
29. do ,dd$dooddeo ? do ,odd,}do 0ddo ad3rt>o en.
rs rs * ot co
30. ( T ) dJ a (B) oj3,i*rt> doa 0ddo d6J36,rt>o ddoo.
31. JD6d0,J ( Hyperacidity ) 0od de ? 0ddo 5Ddrart>0 ,en.
32. aed/rrao doJ odraort doa d,J3.,rt>o d, d/S.
_o 6 6 ot eo
- g
d> A d/d)d3dd >oo4 drtrt tiSdodd ,d/do 200 - 250 tidrt>< d S .ad d ddoO : 4 x 5 = 20
6 co
33. odoedoJ ( Criss-cross inheritance ) cdoo d3w03wan. d/d y y ot 6 6 co
d }rodJ ( Colour blindness ) doo dd}oQrt adon.
ot
34. ed dpdJdo dortonaddoodde ? ed dpdJdo dortonadrt sdradAdod d/d)d3dd 3C0@ d/d do< ( Anthropocentric ) oSrt>ct adon.
35. no3& 3,do ( Breathing ) doo dzan. nd3 3,dodo d/oS,dJ ( Mechanism ) doo adon.
36. ( Adenohypophysis ) Cj/d)d dd do d,dd (>d>red) n> d d/S odod sdrd ,e.
37. dod, 3dd S/ddS aad dodrtd adO.
38. Oda ,)dF&X d ( Generalised structure ) dd. adO.
I. X>A dS, (/dddd o dn dp
1 X 5 = 5
ds*1
39. d/d dd$ SdeX ( Sagittal section ) d Oddd d,do dd
x> a dnnd dd :
djdDoj ( Cerebrum ), ddd ( Cerebellum ), d" ( Pons ), ddo dYOrtei ( Medulla oblongata ), sdr," Xde,dJ" ( Corpus Callosum ), ,dd<d," ( Hypothalamus ), &&D&O, 5
40. X> A d)rt y>d rart > d XS : 5x1 = 5
I A dd I B ,d dp< dort, aXj ( Allele ) rt> d>(odod0Y on< d(/Xd" d,d/ra {>(/dd)dOod
a)
b)
ddod OTdaX ( Global warming ) Oldd.
c) 0o!dX,e," rt,cb>&OdS
dge*
3/ddo
d
dPrardAdodo.
dd"s,a n dx d no xndjd/ra ,nd d.
~ J/ 2 -C
d)
e)
CO CO
Xdjd dort,& ( Zygote ) d ad> ( Cleavage ) d ,ddd0Y ,dD
d ,,eddd"rtd d, (/dd d.
co eo <yJ 0 o
ddod djno d/)
X>A (/d)dd od dn d_p : 1x5 = 5
41. a) dX 3d ( Hepatic lobule ) d d e$Xd Oddd d,d2R dd, X>A rnrtrt>d dd.
7 4 ct
II.
dds" &,(/d", d ds" yd"r, ddd",
dodwd dddoa
4 4
4
( Central vein ), d d"35" ddda, dd"3l,<l
dXd WdOdd ,0<e&X onoS ( Connective tissue ) d
b)
dQXdd. d,O.
1
aOdeod ( Areolar ) OTOoSd oddd d,dd dd drtrt>d
y ct * c
dd.
42. a)
ct
4
b) ddded deAd dod,d dd Xe,d. ddd.co >X d/dd
d ,
edd,3d dOeX, ( Biochemical test ) (dd d,O.
<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. Write the initiator codon.
2. Name the simple living tissue in plants.
3. Define guttation.
4. Name the energy currency of the cell.
5. Name the hormone responsible for bolting in biennial plants.
Answer any five of the following in 2 to 5 sentences each : 5 x 2 = 10
6. List the different kinds of nucleotides in RNA.
7. Mention the tools used in Genetic engineering.
8. Differentiate between trachea and tracheid.
9. Define water potential. Mention its components.
10. Define growth. Mention one example each for growth promoter and growth inhibitor in plants.
11. Mention any two commercial applications of Naphthalene Acetic Acid ( NAA ).
PART - C
Answer any four of the following in about 200 to 250 words each wherever applicable : 4 <*> 5 = 20
12. List and explain any five features of Genetic code.
13. Explain the steps involved in DNA fingerprinting technique.
14. Explain the steps involved in super-ovulation and embryo transfer in cattle breeding.
15. What is secondary growth ? Explain extrastellar secondary growth in dicot stem.
16. Describe Munchs mass flow hypothesis with an experimental model.
17. State Blackmans law of limiting factors. Explain any four external factors affecting the rate of photosynthesis.
PART - D
I. Answer any one of the following : 1 <*> 5 = 5
18. Write the schematic representation of Krebs cycle with the preparatory phase.
19. Give reasons for the following in one sentence each : 5 1 = 5
a.) Eukaryotic genes are split genes.
b) Golden rice plant is a transgenic plant.
c) As the wind blows the rate of transpiration increases.
d) RQ value of glucose is 1.
e) Carotenoids and Xanthophyll are called accessory photosynthetic pigments.
( Questions only from the Practical syllabus )
II. Answer any one of the following : 1 <*> 5 = 5
20. a.) Draw a neat labelled diagram of T.S. of young monocot root
( enlarged portion ) to show anatomical details. 4
b) Name the tissue in the hypodermis of Dicot stem. 1
21. Explain potato osmoscope experiment with labelled diagram. 5
Answer the following questions in one word or one sentence each :
5 ro 1 = 5
22. Write the phenotypic ratio of monohybrid cross.
23. What is afforestation ?
24. Name the gametokinetic factor.
25. Define cardiac output.
26. Name the organic connection between the mother and foetus that helps in
the physiological exchange.
Answer any five of the following in about 2 to 5 sentences each :
5 ro 2 = 10
27. Mention the possible blood groups of the progeny whose mother is
heterozygous for Group-A and father is heterozygous for Group-B.
28. Differentiate between species diversity and habitat diversity.
29. What is soil erosion ? Mention any two methods of soil conservation.
30. Write any two differences between T-Lymphocytes and B-Lymphocytes.
31. What is hyperacidity ? Mention two causes.
32. List the differences between sperm and ovum.
Answer any four of the following in about 200 to 250 words each wherever applicable : 4 ro 5 = 20
33. Define criss-cross inheritance. Explain this with reference to colour
blindness in man.
34. What is Biodiversity depletion ? Explain any four anthropocentric causes
of biodiversity depletion.
35. Define breathing. Explain the mechanism of breathing.
36. List any five hormones of the adenohypophysis ( anterior lobe ) and
mention one function each of them.
37. Explain the steps involved in urine formation.
38. Explain the generalised structure of ovum.
I. Answer any one of the following : 1 & 5 = 5
39. Draw a neat diagram of the sagittal section of human brain and label the following parts :
Cerebrum, Cerebellum, Pons, Medulla oblongata, Corpus callosum, Hypothalamus, Pituitary, Sulcus. 5
40. Give reasons for the following in one sentence each : 5 & 1 = 5
a.) Alleles IA and IB are co-dominant.
b) Accumulation of CO 2 in the atmosphere results in global warming.
c) In the absence of Enterokinase, protein digestion is incomplete.
d) During fasting, the level of glucagon increases in blood.
e) Cleavage in frogs zygote results in unequal blastomeres.
( Questions only from the Practical syllabus )
II. Answer any one of the following : 1 & 5 = 5
41. a) Draw a neat diagram of hepatic lobule and label the following
parts : 4
Hepatic triad, Hepatic chord, Sinusoids, Central vein, Hepatic artery, Hepatocyte.
b) Name the connective tissue covering of liver. 1
42. a) Draw a neat labelled diagram of areolar tissue. 4
b) Name the biochemical test to detect the presence of glucose in the urine of diabetic. 1
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