Wk ser
E–0290
B.Sc. DEGREE EXAMINATION, APRIL 2019
First Semester
Botany
PLANT DIVERSITY – I
(ALGAE, FUNGI, LICHENS, PLANT PROTECTION AND BRYOPHYTES)
(CBCS – 2011 onwards)
Time : 3 Hours Maximum : 75 Marks
Part A (10 2 = 20)
Answer all questions.
Give short note on the following :
1. Hypnospores
î¨÷£÷Úõì÷£õºPÒ
2. Kieselghur
øP_ÀPº
3. Chlamydospores
QÍõª÷hõì÷£õºPÒ
4. White rust disease
öÁÒøÍ xPÒ ÷|õ´
5. Kombu
“÷Põ®¦”
Sub. Code 1BBO1C1
E–0290
2
Wk ser6. Gibberellin
â¨öμ½ß
7. Single Cell Protein
J¸ ö\À ¦μu®
8. Phycobiont
ø£U÷Põø£¯õßm
9. Little leaf disease
]ØÔø» ÷|õ´
10. Gemma
öᮩõ
Part B (5 5 = 25)
Answer all questions, choosing either (a) or (b).
11. (a) Explain the structure of Oscillatoria.
A]À»õ÷hõ›¯õÂß ÷uõØÓzøu ÂÍUSP.
Or
(b) Describe the cell division of Diatom.
øh¯õmhzvß ö\À¤›øÁ ÂÍUSP.
12. (a) Give the structure of Spores of Fusariun.
¦\õ›¯zvß ì÷£õºPÎß Aø©¨ø£ £ØÔ GÊxP.
Or
(b) Write about the asexual reproduction method of claviceps.
QÍõÂö\¨]ß £õ¼À»õ CÚ¨ö£¸UP •øÓø¯ £ØÔ
GÊxP.
E–0290
3
Wk ser13. (a) Mention the harmful effects of Algae.
BÀUPÎÚõÀ E¸ÁõS® £õuP©õÚ ÂøÍÄPøÍ
SÔ¨¤kP.
Or
(b) Explain the role of Fungi in industries.
öuõÈØ\õø»PÎÀ §gø\PÎß £¯ß£miøÚ
ÂÍUSP.
14. (a) Give an account on Bunchy top of Banana.
ÁõøÇ £°›øÚ uõUS® •iUöPõzx ÷|õ°øÚ £ØÔ
TÖP.
Or
(b) Write about Quarantine method in disease control.
÷|õ´PøÍ Pmk¨£kzxÁvÀ £¯ß£k© ÷|õ´ uk¨¦
Põ¨¦ •øÓø¯ £ØÔ GÊxP.
15. (a) Describe the thallus structure of Anthoceros.
Bß÷uõ]μõ]ß Eh»P Aø©¨ø£ ÂÁ›.
Or
(b) Explain the Male and Female thallus structure of Marchautia.
©õº÷Pß]êÂß Bs ©ØÖ® ö£s uõ¯ì]ß
÷uõØÓ[PøÍ ÂÍUSP.
Part C (3 10 = 30)
Answer any three questions.
16. Discuss the reproduction methods found in Oedogonium.
Fh÷Põo¯zvß CÚ¨ö£¸UP •øÓPøÍ £ØÔ ÂÁõvUP.
17. Give an account on life cycle of Puccinia.
£U]Û¯õÂß ÁõÌUøP _ÇØ]ø¯ £ØÔ ÂÁ›.
E–0290
4
Wk ser18. Explain the structure and Reproduction of Usnea.
Aì{¯õÂß ÷uõØÓ® ©ØÖ® CÚ¨ö£¸UP® £ØÔ ÂÍUSP.
19. Discuss the chemical and biological control methods.
÷Áv ö£õ¸mPÒ ©ØÖ® E°› ÷|õ´zuk¨¦ •øÓPÒ ‰»®
÷|õ´PøÍ Pmk¨£kzx® •øÓø¯ £ØÔ ÂÁõvUP.
20. With neat diagram explain the structure of polytrichum– sporophyte.
£õ¼iøμUPvß ì÷£õ÷μõø£miß ÷uõØÓzøu uS¢u
£hzxhß ÂÍUSP.
______________
wk 14
E–0291
B.Sc. DEGREE EXAMINATION, APRIL 2019
Second Semester
Botany
PLANT DIVERSITY – II (PTERIDOPHYTES, GYMNOSPERMS AND
PALEOBOTANY)
(CBCS – 2011 onwards)
Time : 3 Hours Maximum : 75 Marks
Part A (10 2 = 20)
Answer all questions.
Write short notes on the following :
1. Heterospory.
öPmi÷μõì÷£õ›.
2. Trabaculae.
iμõ£S÷»õ.
3. Resin.
öμ]ß.
4. Polyembryony.
£ÀP¸ {ø».
5. Vallecular canal.
öÁÎUS»õº ÷PÚõÀ.
Sub. Code 1BBO2C1
E–0291
2
Wk 146. Prothallus.
¦÷μõuõ»ì.
7. Fossil plants.
£i©zuõÁμ[PÒ.
8. Carboniferous period.
Põº¨÷¯õÛö£μì Põ»®.
9. Birbal Sahni.
¥º£õÀ \õo.
10. RajMahal hills.
μõä©PõÀ SßÖPÒ.
Part B (5 5 = 25)
Answer all questions, choosing either (a) or (b).
11. (a) Outline the classification pteridophytes by K.R. Sporne.
÷P.Bºì÷£õºÛß öh›m÷hõø£m ÁøP¨£õmiøÚ
Áøμ¯Ö ö\´P.
Or
(b) Explain about the origin of seed habit.
Âøu E¸ÁõUP •øÓ ÷uõßÔ¯Âu® £ØÔ ÂÍUSP.
12. (a) Give the stem structure of Equisetum.
DUQ]hzvß usk Aø©¨ø£ £ØÔ SÔ¨¦ u¸P.
Or
(b) Explain the structure of Adinatum.
Ai¯õshzvß Aø©¨ø£ ÂÍUSP.
E–0291
3
Wk 1413. (a) List out the economic importance of Gymnospersms.
â®÷Úõìö£º®PÎß ö£õ¸Íõuõμ •UQ¯zxÁzøu
Á›ø\¨£kzxP.
Or
(b) Explain the structures of Gunetum Ovule.
}mhzvß `¼¼ß Aø©¨ø£ ÂÍUSP.
14. (a) Give an account of fossilization.
£i©[PÒ E¸ÁõUP® £ØÔ ÂÁ›UP.
Or
(b) Explain about carbon dating.
Põº£ßPÒ ‰»® Á¯vøÚ AÍÂk® •øÓø¯
ÂÍUSP.
15. (a) Write notes on Rhynia.
øμßÛ¯õÂøÁ £ØÔ SÔ¨¦ u¸P.
Or
(b) Explain the structure of Williamsonia.
ÂÀ¼¯®÷\õÛ¯õÂß Aø©¨ø£ ÂÍUSP.
Part C (3 10 = 30)
Answer any three questions.
16. Discuss the stelar evolution of pteridophytes.
öh›m÷hõø£mhõÂß Phzx EÖ¨¦&ìi»õ›ß £›nõ©
Áͺa]ø¯ £ØÔ ÂÁõvUP.
17. Give an account an sporocarp of Marsilea.
©õº]¼¯õÂß ì÷¯õ÷μõPõº¤øÚ £ØÔ SÔ¨¦ u¸P.
E–0291
4
Wk 1418. Discuss the structure and life history of Pinus.
ø£Ú\Ûß Aø©¨¦ ©ØÖ® ÁõÌøP \›zvμ® £ØÔ
ÂÁõvUP.
19. Give the geological time scale.
¦Â°ß Põ» AmhÁønø¯ u¸P.
20. Discuss the various aspects of Lepidodendron and Lepidocarpon.
ö»¨i÷hõöhßμõß ©ØÖ® ö»¨i÷hõPõº£Ûß £À÷ÁÖ
ußø©PøÍ £ØÔ ÂÁõvUP.
———————
Wk 7
E–0292
B.Sc. DEGREE EXAMINATION, APRIL 2019
Third Semester
Botany
EMBRYOLOGY OF ANGIOSPERMS AND PLANT TISSUE CULTURE
(CBCS – 2011 onwards)
Time : 3 Hours Maximum : 75 Marks
Part A (10 2 = 20)
Answer all questions.
1. Tapetum.
hõ¤h®.
2. Coenomegaspore.
]÷Úõö©Põì÷£õº.
3. Example for Ruminate endosperm.
¸ª÷Úm Gß÷hõìö£º®UQ GkzxUPõmk u¸P.
4. Dermatogen.
öhºö©m÷hõáß.
5. Agamospermy.
H÷Põ÷©ºìö£ºk.
Sub. Code 1BBO3C1
E–0292
2
Wk 76. Apogamy.
A¨÷£õ÷Pª.
7. Role of U.V. in tissue culture.
v_Áͺ¨¤À ¦Ó FuõPvºPÎß £[S.
8. Protoplast.
¦÷μõm÷hõ¤»õìm.
9. Seedless fruits.
Âøu°À»õ PÛPÒ.
10. Encapsulation.
Gß÷P¨_÷»\ß.
Part B (5 5 = 25)
Answer all questions, choosing either (a) or (b).
11. (a) Write notes on triple fusion and its significance.
‰ÂøÚÄ P¸ÄÖuÀ ©ØÖ® Auß •UQ¯zxÁ®
SÔzx Pmkøμ ÁøμP.
Or
(b) Write notes on types of Ovules.
`ÀPÎß ÁøPPÒ SÔzx Pmkøμ ÁøμP.
12. (a) Explain the structure of Male gametophyte.
Bs÷Pªm÷hõø£miß Aø©¨ø£ ÂÍUSP.
Or
(b) Write about Megasporogenesis.
ö©Põì÷£õ÷μõáÛ]ì £ØÔ GÊxP.
E–0292
3
Wk 713. (a) Give an account on Endosperm haustoria.
Gs÷hõìö£º® íõì÷hõ›¯õ £ØÔ SÔ¨¦ u¸P.
Or
(b) With suitable diagram explain the Mature structure of a Dicot embryo.
uUP £hzxhß C¸Âzvø»zuõÁμ Áͺa]¯øh¢u
P¸Âß Aø©¨ø£ ÂÍUSP.
14. (a) Give an account on Male sterility.
Bs©»mkußø© SÔzx ]Ö SÔ¨¦ u¸P.
Or
(b) Mention the causes and uses of Parthenocarpy.
P¸ÄμõPÛ E¸ÁõS® Âu® ©ØÖ® £¯ßPøÍ
SÔ¨¤kP.
15. (a) Write about Endosperm culture.
Gß÷hõìö£º® Áͺ¨¦ £ØÔ GÊxP.
Or
(b) Give an account on Role of culture techniques in plant improvement.
uõÁμ ÷©ß£õmk xøÓ°À £¯ß£k® v_ Áͺ¦
~m£zvß £[QøÚ £ØÔ SÔ¨¦ u¸P.
Part C (3 10 = 30)
Answer any three questions.
16. Discuss the development of Monosporic and Bisporic female gametophyte development.
÷©õ÷Úõì÷£õ›U ©ØÖ® ø£ì÷£õ›U ÁøP ö£s
÷©vm÷hõø£mPÎß Áͺ]ø¯ £ØÔ ÂÁõvUP.
E–0292
4
Wk 717. Give an account on structure and development of a
Monocot embryo.
J¸Âzvø» uõÁμ P¸Áͺa] ©ØÖ® Aø©¨ø£ u¸P.
18. Discuss the induction and importance of Polyembryony.
£ÀP¸ {ø»°ß E¸ÁõUP® ©ØÖ® •UQ¯zxÁzøu £ØÔ
ÂÁõvUP.
19. Give an account on Meristem culture.
~o BUPzv_ Áͺ¨¦ £ØÔ SÔ¨¦ u¸P.
20. Discuss the production and significance of Haploids.
J¸ø©¯zuõÁμ Áͺ¨¦ •øÓ ©ØÖ® •UQ¯zxÁzøu £ØÔ
ÂÁõvUPÄ®.
————————
Wk 3
E–0293
B.Sc. DEGREE EXAMINATION, APRIL 2019
Fourth Semester
Botany
BIOCHEMISTRY, MOLECULAR BIOLOGY AND INSTRUMENTATION
(CBCS – 2011 onwards)
Time : 3 Hours Maximum : 75 Marks
Part A (10 2 = 20)
Answer all questions.
1. Vander Wall’s forces
Áõshº ÁõÀì Dº¨¦
2. Buffer solution
uõ[Q Pøμ\À
3. Anomeric carbon
A÷Úõö©›U Põº£ß
4. Holoenzyme
÷íõ÷»õGßøé®
5. Transcription
iμõßìQ›¨éß
Sub. Code 1BBO4C1
E–0293
2
Wk 36. tRNA
i Bº.Gß.H.
7. Calomel electrode
P÷»õ©À G»Um÷μõk
8. Sedimentation coefficient
ö\iö©m÷héß ÷PõG¤ê°ßm
9. Relative front
öuõhº¦ {ø»z öuõø»Ä
10. Significances of TLC.
i.GÀ.]&°ß •UQ¯zxÁ®.
Part B (5 5 = 25)
Answer all questions, choosing either (a) or (b).
11. (a) Enumerate the chemical properties of water molecule.
}º ‰»UTÔß ÷Áv¨ £s¦PøÍ Á›ø\¨£kzxP.
Or
(b) Explain the isomerism with suitable example.
I÷éõö©›é® Gߣøu uS¢u Euõμnzxhß
ÂÍUSP.
12. (a) Elucidate the structure of proteins.
¦μu[PÎß Aø©¨¤øÚ Bμõ´P.
Or
(b) Discuss the nomenclature and classification of enzymes.
ö|õvPÎß ö£¯›k•øÓ ©ØÖ® ÁøP¨£õkPøÍ
ÂÁ›.
E–0293
3
Wk 313. (a) Prove that RNA as a genetic material in TMV.
i.G®.Â.&À P¸ ©μ¦¨ö£õ¸Ò Bº.Gß.H Gߣøu
{¹¤.
Or
(b) Describe the structure of DNA.
i.Gß.H.&Âß Aø©¨ø£ ÂÁ›.
14. (a) List out the uses of pH meter.
pH «mh›ß £¯ß£õkPøͨ £mi¯¼kP.
Or
(b) Explain the structure of clinical centrifuge.
QÎÛUPÀ ö\ßm›¤³âß Aø©¨ø£ ÂÍUSP.
15. (a) Mention the basic principles in paper chromatography.
PõQu {Ó¨¤›øP°ß Ai¨£øh ÷Põm£õkPøÍ
SÔ¨¤kP.
Or
(b) List out the uses of column chromatography.
Põ»® S÷μõ÷©m÷hõQμõ¤°ß £¯ß£õkPøͨ
£mi¯¼kP.
Part C (3 10 = 30)
Answer any three questions.
16. Explain the different types of chemical bonds with suitable examples.
öÁÆ÷ÁÖ ÁøP¯õÚ ÷Áv Cøn¨¦PøÍ uS¢u
Euõμn[PÐhß ÂÍUSP.
E–0293
4
Wk 317. Discuss the classification, structure and properties of
carbohydrates.
Põº÷£õøím÷μmkPÎß ÁøP¨£õk, Aø©¨¦ ©ØÖ®
÷Áv¨ £s¦PøÍ ÂÁõv.
18. Elaborate the transcription with initiation, elongation and termination.
iμõßìQ›¨éß {ø»PÍõÚ öuõhUP®, }ma]¯øhuÀ
©ØÖ® •iÄ{ø» BQ¯ÁØøÓ Â›Ä£kzv GÊxP.
19. Elucidate the structure, principle, measurement and uses of colorimeter.
P÷»õ›«mh›ß Aø©¨¦, ÷Põm£õk PnUQkuÀ ©ØÖ®
£¯ßPøͨ £ØÔ Bμõ´P.
20. Give an account on principles and methods of electrophoresis.
ªß¤›øP°ß ÷Põm£õkPÒ ©ØÖ® C¯[S® •øÓPøÍ
öuõkzx GÊxP.
————————
Wk 7
E–0294
B.Sc. DEGREE EXAMINATION, APRIL 2019
Fifth Semester
Botany
TAXONOMY OF ANGIOSPERMS AND ECONOMIC BOTANY
(CBCS – 2011 onwards)
Time : 3 Hours Maximum : 75 Marks
Part A (10 2 = 20)
Answer all questions.
1. Taxon.
÷hU\õß.
2. Kew garden.
LU³ ÷uõmh®.
3. Species plantarum.
ì¤]ì ¤Íõshõμ®.
4. O.T.U.
K.i.³.
5. Hesperidium fruit.
í쥛i¯® PÛ.
Sub. Code 1BBO5C1
E–0294
2
Wk 76. Lodicules.
»õiUTÌì.
7. Garlic.
§sk.
8. Maize.
©UPõa÷\õÍ®.
9. Saffron.
S[S®§.
10. Tannin.
÷hÛß.
Part B (5 5 = 25)
Answer all questions, choosing either (a) or (b).
11. (a) Write about Author citation in Nomenclature.
ö£¯›k® •øÓ°À AÔb›ß ö£¯›øÚ
_miUPõmkuø» £ØÔ GÊxP.
Or
(b) Mention the principles of Taxonomy.
ÁøP¨£õmi°¯¼ß ÷Põm£õkPøÍ SÔ¨¤kP.
12. (a) Outline the Linnaeus classification.
¼ß÷Ú¯]ß ÁøP¨£mi¯ø» Áøμ¯Ö ö\´P.
Or
(b) Give the basic concepts of Chemotaxonomy.
÷Áv¨ö£õ¸mPÒ \õº¢u ÁøP¨£i°ø» u¸P.
E–0294
3
Wk 713. (a) Mention the floral variations found in Rubiaceae
members.
¹÷£] Sk®£ uõÁμ[PÎÀ Põn¨£k® ÷ÁÖ£mh
©»º£s¦PøÍ SÔ¨¤kP.
Or
(b) List out the Economic importance plants of Poaceae.
÷£õ÷¯] Sk®£zvß ö£õ¸Íõuõμ •UQ¯zxÁ®
Áõ´¢u uõÁμ[PøÍ £mi¯¼kP.
14. (a) Give the Botanical name, Family, useful part and uses of Lemon grass oil.
G¾ªaø\ ¦À Gsön´ AÎUS® uõÁμzvß
uõÁμ°À ö£¯º Sk®£®, £¯ß£k® £Sv ©ØÖ®
£»ßPøÍ u¸P.
Or
(b) Mention the Botanical name, useful parts and uses of Cardamon plant.
H»UPõ´ uõÁμzvß uõÁμ¯À ö£¯º, £¯ß£k® £Sv
©ØÖ® £¯ßPøÍ SÔ¨¤kP.
15. (a) Give the Botanical name, Family and uses of Teak wood.
÷uUS ©μzvß uõÁμ°À ö£¯º, Sk®£® ©ØÖ®
£¯ßPøÍ u¸P.
Or
(b) Mention the Botanical name, Family, useful part and uses of cotton.
£¸zv uõÁμzvß uõÁμ°À ö£¯º, Sk®£®,
£¯ß£k® £Sv ©ØÖ® £¯ßPøÍ SÔ¨¤kP.
E–0294
4
Wk 7 Part C (3 10 = 30)
Answer any three questions.
16. Discuss the various aspects of Botanical Nomenclature.
uõÁμö£¯›k® •øÓ°À EÒÍ £À÷ÁÖ A®\[PøÍ
ÂÁ›UP.
17. Outline the Bentham and Hooker’s classification.
ö£¢u® ©ØÖ® ïUP›ß ÁøP¨£õmk •øÓø¯ Áøμ¯Ö
ö\´P.
18. Discuss the floral variation and Economic importance of Euphorbiaceae.
L³÷£õº¤÷¯] uõÁμ[PÎÀ Põn¨£k® ©»μP¨ £s¦PÒ
©ØÖ® CUSk®£zvß ö£õ¸Íõuõμ •UQ¯zxÁzøu u¸P.
19. Give an account on the various aspects of pulses yielding plants.
£¸¨ø£ AÎUS® uõÁμ[PÎß £À÷ÁÖ A®\[PøÍ £ØÔ
ÂÁ›UP.
20. Discuss about the Beverage yielding plants.
£õÚ[PøÍ AÎUS® uõÁμ[PøÍ £ØÔ ÂÁõvUP.
————————
Ws4
E–0295
B.Sc. DEGREE EXAMINATION, APRIL 2019
Fifth Semester
Botany
GENETICS, PLANT BREEDING, BIO-STATISTICS AND PLANT ECOLOGY
(CBCS – 2011 onwards)
Time : 3 Hours Maximum : 75 Marks
Part A (10 2 = 20)
Answer all questions.
Write short notes on the following.
1. Lethal genes.
öPõÀ¾® ãßPÒ.
2. Emasculation.
Bs ©»hõUP®.
3. Clones.
S÷ÍõßPÒ.
4. Primary data.
•u»õ® {ø» uμÄ.
5. Formula for standard deviation.
vmh »UPzvß PnURmk Áõ´£õk.
Sub. Code
1BBO5C2
E–0295
2
Ws4
6. Sex-linked genes.
£õ¼Ú •øÓ CønÄ ãßPÒ.
7. Abiotic factors in an ecosystem.
J¸ `Ì{ø» ©sh»zvß E°μØÓ PõμoPÒ.
8. Units of vegetation.
uõÁμU Tmhzvß A»SPÒ.
9. Green house effect.
£_ø© CÀ» ÂøÍÄ.
10. Afforestation.
ÁÚPõkPÎß ©Ö E¸ÁõUP®.
Part B (5 5 = 25)
Answer all questions, choosing either (a) or (b).
11. (a) Explain the incomplete dominance with suitable example.
•Êø©ö£Óõ J[S £sø£ uS¢u Euõμnzxhß
ÂÍUSP.
Or
(b) Discuss the crossing over and mapping of chromosomal genes.
SÖU÷P P»zuÀ ©ØÖ® S÷μõ÷©õ÷\õ® ãßPÎß
Áøμ£h® u¯õ›zuÀ •øÓPøÍ ÂÁ›.
12. (a) Elucidate the steps involved in pure-line selection method.
uÛz ÷uºÄ •øÓ°ß •UQ¯ £i{ø»PøÍ Bμõ´P.
Or
E–0295
3
Ws4
(b) Enlist the importance of heterosis.
öími÷μõêì&ß •UQ¯zxÁzøu¨ £mi¯¼kP.
13. (a) What are the types of statistical averages? Explain with examples.
¦Òΰ¯À \μõ\›°ß ÁøPPÒ ¯õøÁ? AÁØøÓ
uS¢u Euõμn[PÐhß ÂÍUSP.
Or
(b) Differentiate mean, mode and median from the frequency distribution.
uμÄ ÂμÁÀPÎÀ \μõ\›, E¯º ¦ÒÎ ©ØÖ®
|k{ø»¨¦ÒÎ BQ¯ÁØøÓ ÷ÁÖ£kzvU PõmkP.
14. (a) Explain the factors of any one of the terrestrial ecosystem with suitable examples.
HuõÁx J¸ {» `Ì{ø» ©sh»zvß PõμoPøÍ
uS¢u Euõμn[PÐhß ÂÍUSP.
Or
(b) Discuss the ecological pyramids with examples.
`Ì{ø»U ÷Põ¦μ[PøÍ Euõμn[PÐhß ÂÁ›.
15. (a) Give reasons for water pollution.
}º ©õ_£kÁuØPõÚ Põμn[PøÍU TÖP.
Or
(b) Explain the impact of thermal pollution in environment.
`Ì{ø»°À öÁ¨£ y´ø©U ÷Pmiß uõUPzvøÚ
ÂÍUSP.
E–0295
4
Ws4
Part C (3 10 = 30)
Answer any three questions.
16. Write an account on extra chromosomal inheritance in plants with suitable examples.
uõÁμ[PÎÀ S÷μõ÷©õ÷\õ® \õº£ØÓ £õ쮣›¯ £s¦
PhzuÀ £ØÔ uS¢u Euõμnzxhß J¸ öuõS¨¦ GÊxP.
17. Give an account on role of plant breeding in crop improvement.
£°º \õS£i°À uõÁμ ÷©®£õmk •øÓ°ß £[PΨ¦ £ØÔ
J¸ öuõS¨¦ u¸P.
18. Calculate the mean, median and mode for the following data. 115, 116, 123, 128, 135, 138, 151, 151, 169 and 180.
RÌUPõq® uμÄUS ¦ÒίÀ \μõ\›, |k¦ÒÎ ©ØÖ® E¯º
¦ÒÎø¯U PnUQkP. 115, 116, 123, 128, 135, 138, 151, 151, 169 and 180.
19. Explain the factors causing soil erosion and suggest the preventive measures for soil erosion.
©s A›©õÚzvØPõÚ PõμoPøÍ ÂÍUQ ©ØÖ® ©s
A›©õÚzøu ukUS® •øÓPøÍU SÔ¨¤kP.
20. Write an essay on causes of deforestation and its effects on environment.
PõkPÒ AÈÁuØPõÚ Põμn[PøͲ® ©ØÖ® PõkPÒ
AÈÁuõÀ ‰»® `Ì{ø»°À HØ£k® uõUPzvøÚ²® £ØÔ
J¸ Pmkøμ GÊxP.
————————
Sp1
E–0296
B.Sc. DEGREE EXAMINATION, APRIL 2019
Sixth Semester
Botany
PLANT PHYSIOLOGY AND BIOPHYSICS
(CBCS – 2011 onwards)
Time : 3 Hours Maximum : 75 Marks
Part A (10 2 = 20)
Answer all questions.
1. Diffusion
£μÄuÀ
2. Guttation
}º JÊUS
3. Hill’s reaction
îÀì ÂøÚ
4. Oxidative phosphorylation
BUêáß HØÓ £õ죛Pμn®
5. Fermentation
ö|õvzuÀ
6. Transamination
iμõßìAª÷Ú\ß
Sub. Code 1BBO6C1
E–0296
2
Sp1 7. ABA
H¤H
8. Phytochrome
ø£m÷hõS÷μõ®
9. Thylakoids
øu»UPõ´kPÒ
10. ADP.
Hi¤.
Part B (5 5 = 25)
Answer all questions, choosing either (a) or (b).
11. (a) Explain the phenomenon of plasmolysis. What are the stages in plasmolysis.
¤Íõì©õø»]ì £ØÔ ÂÍUSP. Auß {ø»PÒ ¯õx?
Or
(b) Discuss the Munch mass flow hypothesis.
•ßaß ©õì ¦÷Íõ ÷Põm£õk £ØÔ ÂÁõv.
12. (a) Discuss the mechanism of recent views on light reaction.
JÎUQ›ø¯ £ØÔ¯ Asø©Põ» ÷Põm£õkPøÍ
ÂÁõv.
Or
(b) Give an account on CAM pathway.
÷P® £õøuø¯ £ØÔ J¸ £mi¯À u¸P.
E–0296
3
Sp1 13. (a) Differentiate between aerobic and anaerobic
respiration.
PõØÖÒÍ ©ØÖ® PõØÖAØÓ _Áõ\•øÓPÎß
Âzv¯õ\[PøÍ TÖP.
Or
(b) Explain the nitrogen cycle.
ø|mμáß _ÇØ]ø¯ ÂÍUSP.
14. (a) Write the various methods of breaking seed dormancy.
Âøu EÓUPzøu }US® ö\¯À•øÓPøÍ GÊxP.
Or
(b) Write short note on photoperiodism.
÷£õm÷hõ¤›¯õi\® £ØÔ ]Ö SÔ¨¦ ÁøμP.
15. (a) Mention the characteristics of fluorescence.
¦÷Íõμ\ß]ß £s¦PÒ £ØÔ TÖP.
Or
(b) Explain the characteristic features of Bioluminiscence.
E°› JÎ EªÌuÎß A®\[PøÍ ÂÍUSP.
Part C (3 10 = 30)
Answer any three questions.
16. Discuss the mechanism of water absorption.
uõÁμ[PÎÀ }º EÔg_® ö\¯À•øÓPøÍ ÂÁõv.
E–0296
4
Sp1 17. Describe the step wise reactions of Calvin cycle.
PõÀÂß _ÇØ]°À |øhö£Ö® £À÷ÁÖ ÂøÚPøÍ
ÂÍUSP.
18. Give an account on the methods of nitrogen fixation in plants.
uõÁμ[PÒ ø|mμáß {ø»£kzx® ÁÈ•øÓPøÍ £ØÔ
ÂÁ›UP.
19. Summarise the physiological role of cytokinins.
ø\m÷hõøPÛß ö\¯¼¯À £[øP öuõSzxÁÇ[SP.
20. Briefly explain the laws of thermodynamics.
öÁ¨£ C¯UP¯À ÷Põm£õk°ß ÂvPøÍ _¸UP©õP
ÂÍUPÄ®.
————————
Ws4
E–0297
B.Sc. DEGREE EXAMINATION, APRIL 2019
Sixth Semester
Botany
MICROBIOLOGY
(CBCS – 2011 onwards)
Time : 3 Hours Maximum : 75 Marks
Part A (10 2 = 20)
Answer all questions.
1. Cocci.
PõUøP.
2. Pasteurization.
£õì_øμ÷\åß.
3. Alcoholic fermentation.
\õμõ¯ ö|õvzuÀ.
4. Archaeae.
BºU÷P¯õ.
5. Capsid.
÷©ÀEøÓ.
6. Mycoplasma.
ø©÷Põ ¤Íõì©õ.
Sub. Code
1BBO6C2
E–0297
2
Ws4
7. Ethyl Methane sulfonate.
GvÀ «÷uß \À÷£õ÷Úm.
8. Suppressor gene.
JkUP¨£mh ãß.
9. Ecto-mycorrhizae.
GU÷hõ ø©U÷Põøμ÷\.
10. Oxidation pond.
BUâáß HØÓ SÍ®.
Part B (5 5 = 25)
Answer all questions, choosing either (a) or (b).
11. (a) Mention the characteristics of plasmids.
¤Íõìªiß £s¦PøÍ TÖP.
Or
(b) Write short note on (i) Pili and (ii) Fimbriae.
]ÖSÔ¨¦ ÁøμP (i) ø£ø» ©ØÖ® (ii) ¤®¤øμ÷¯.
12. (a) Analyse the different phases of growth curve of bacteria.
£õUi›¯õ Áͺa]°ß £À÷ÁÖ {ø»PøÍ TÖP.
Or
(b) Comment on the nutritional requirements of micro organisms.
~sq°ºPÎß EnÄz ÷uøÁ £ØÔ J¸ SÔ¨¦
ÁøμP.
E–0297
3
Ws4
13. (a) List out the general properties of viruses.
øÁμìPÎß ö£õx¨ £s¦PÒ £ØÔ Á›ø\¨£kzx.
Or
(b) Describe the structure and reproduction of phage.
÷»®hõ £õâß E¸Áø©¨¦ ©ØÖ® CÚ¨ö£¸UP®
£ØÔ ÂÁ›.
14. (a) Mention about bacterial conjugation.
£õUi›¯À Põß_÷P\ß £ØÔ TÖP.
Or
(b) Give an account on transduction.
iμõßìhU\ß £ØÔ J¸ £mi¯À u¸P.
15. (a) What is biomagnification? Explain.
E°› E¸¨ö£¸UP® GßÓõÀ GßÚ? ÂÁ›.
Or
(b) Write the procedure of MPN test.
G®¤Gß ÷\õuøÚ •øÓ°ß £À÷ÁÖ {ø»PøÍ
GÊxP.
Part C (3 10 = 30)
Answer any three questions.
16. Describe the structure and reproduction of bacterial endospore.
£õUi›¯À Gß÷hõì÷£õº E¸Áø©¨¦ ©ØÖ® CÚ¨ö£¸UP
•øÓ°øÚ ÂÁ›.
17. Give an account on the nutritional types of micro organisms.
~sq°ºPÎß EnÄmh ÁøPPøÍ J¸ £mi¯À uμÄ®.
E–0297
4
Ws4
18. Illustrate different physical and chemical methods of sterilization.
öuõØÖ }UP •øÓ°À ö£ÍwP ©ØÖ® Cμ\õ¯Ú
ÁÈ•øÓPøÍ ÂÁ›.
19. Outline the various physical and chemical mutagens.
C¯Ø¤¯À ©ØÖ® ÷Áv°¯À _¸v ©õØÔPÒ £ØÔ GÊxP.
20. Give an account on the symbiotic nitrogen fixing organisms.
Tmk²°› •øÓ°À ø|mμáß {ø»¨£kzuÀ £ØÔ J¸
£mi¯À u¸P.
————————
Wk ser
E–0320
U.G. DEGREE EXAMINATION, APRIL 2019
Botany
Allied – PLANT DIVERSITY, PLANT PATHOLOGY AND INTERNAL MORPHOLOGY
(CBCS – 2011 onwards)
Time : 3 Hours Maximum : 60 Marks
Part A (10 1.5 = 15)
Answer all questions.
1. Hormogonia
íõº÷©õ÷PõÛ¯õ
2. Gametrophyte of Polytrichum
£õ¼møμPzvß Põªm÷hõø£m
3. Symptoms of bunchy top of banana
ÁõøÇ •iUöPõzx ÷|õ°ß AÔSÔ
4. Tracheids
iμURkPÒ
5. Apogamy
A÷£õPõª
6. Ovules in Gymnosperms
â®÷Úõìö£º®PÎß JijÀPÒ
Sub. Code 1BBOA1
E–0320
2
Wk ser7. Dwarf shorts of Pinus
ø£Ú]ß SmøhU QøÍPÒ
8. Apical meristem
~Û BUSz v_
9. Chlorenchyma
S÷ÍõμßøP©õ
10. Annual ring
Bsk Áøͯ®
Part B (5 3 = 15)
Answer all questions, choosing either (a) or (b).
11. (a) Describe the structure of Ocillatoria.
BêÀ»÷hõ›¯õÂß E¸Á Aø©¨ø£ ÂÁ›.
Or
(b) Explain the types of spores in Puccinia.
£Uên¯õ¾ÒÍ ì÷£õºPÎß ÁøPPøÍ ÂÍUSP.
12. (a) Discuss the parts of sporophyte in Polytrichum.
£õ¼møμPzvß ì÷hõ÷μõø£miß £õP[Pøͨ £ØÔ
ÂÁ›.
Or
(b) Write an account on causual organisms and conrol measures of bunchy top of banana.
ÁõøÇ •iUöPõzx ÷|õ°øÚ E¸ÁõUS® Q¸ª
©ØÖ® ÷|õ´z uk¨¦ •øÓPøÍ öuõSzx GÊxP.
E–0320
3
Wk ser13. (a) List out the general characters of Pteriobphyties.
öh›÷hõLø£mkPÎß ö£õx¨ £s¦Pøͨ
£mi¯¼kP.
Or
(b) Explain the structure of vegetative body of Selaginella.
ö\»õâøÚÀ»õÂß uõÁμ Eh»P Aø©¨ø£ ÂÍUSP.
14. (a) Illustrate and explain the anatomical structure of Pinus needle leaf.
ø£Úì F] Cø»°ß EÒÍø©¨ø£ £hzxhß
ÂÍUSP.
Or
(b) Describe the longitudinal structure of Pinus female cone.
ø£Úì ö£s T®¤ß ö|kUS öÁmk ÷uõØÓ
Aø©¨ø£ ÂÁ›.
15. (a) Classify the plant meristems based on position.
uõÁμ BUSzv_UPøÍ Auß C¸¨¤h Aø©¨¤ß
Ai¨£øh°À ÁøP¨£kzxP.
Or
(b) Give an account on simple plant tissues.
GÎø©¯õÚ uõÁμ v_UPøͨ £ØÔ J¸ öuõS¨¦ u¸P.
Part C (3 10 = 30)
Answer any three questions.
16. Discuss the types of sexual reproduction in Oedogonium with suitable diagrams.
F÷hõ÷PõÛ¯zvß £õ¼Ú¨ ö£¸US •øÓPøÍ uS¢u
£h[PÐhß ÂÁ›.
E–0320
4
Wk ser17. Give an account on casual organism, symptoms and
control measures of citrus canker.
G¾ªaø\ ÷uõÀ ui¨¦ ÷|õ°ß ÷uõØÖÂUS® ÷|õ°ß
AÔSÔPÒ ©ØÖ® ÷|õ´z uk¨¦ •øÓPøÍ öuõSzx GÊxP.
18. Describe the life history of Selaginella with help of illustrations.
ö\»õâöÚÀ»õÂß ÁõÌUøP \›zvμzøu £h[PÎß
Eu²hß ÂÁ›.
19. Enlist the general characters of Gymnosperms.
â®÷Úõì ö£º®PÎß ö£õx¨ £s¦Pøͨ £mi¯¼kP.
20. Explain the secondary thickening in dicot stem.
C¸Âzvø»z uõÁμz usiß Cμshõ® {ø» Áͺa]ø¯¨
£ØÔ ÂÍUSP.
______________
Wk 7
E–0394
B.Sc. DEGREE EXAMINATION, APRIL 2019
Fifth Semester
Botany
Elective — MEDICAL BOTANY
(CBCS – 2011 onwards)
Time : 3 Hours Maximum : 75 Marks
Part A (10 2 = 20)
Answer all questions.
Short note on the following:
1. Tribal medicine.
BvÁõ]PÎß ©¸¢xPÒ.
2. Pharmacopaea.
£õº©÷Põ¨¤¯õ.
3. Thanvandhri.
ußÁ¢v›.
4. Tulsi.
xÍ].
5. Pharmacology.
£õº©Põ»â.
6. Flavonoid.
¤÷ÍÁÚõ´k.
Sub. Code 1BBOE1A
E–0394
2
Wk 77. Latex extraction.
÷»mhUêøÚ ÁizuÀ •øÓ.
8. Flower medicines.
©»º ©¸¢xPÒ.
9. Pot mixtures.
£õøÚ P»øÁPÒ.
10. Hepatoprotective drugs.
~øμ±μÀ £õxPõ¨¦ ©¸¢xPÒ.
Part B (5 5 = 25)
Answer all questions, choosing either (a) or (b).
11. (a) Write an account on ethanobotany of Southern India.
öußÛ¢v¯ ¤μõ¢v¯zv¾ÒÍ BvÁõ] \‰P[PÒ
£¯ß£kzx® ©¸zxÁz uõÁμ[PÒ £ØÔ öuõS¨¦
GÊxP.
Or
(b) Discuss the herbalists and the doctrine of herbal drugs.
öíº£õ¼ìmPøͲ® ©ØÖ® AÁºPÒ ©¸zxÁz
uõÁμ[PøÍ øP¯õsh Âu[PøͲ® ÂÁ›UP.
12. (a) Write note on the medicinal plants used in Unani system.
²ÚõÛ ©¸zxÁ •øÓ°À £¯ß£kzu¨£k®
uõÁμ[Pøͨ £ØÔ SÔ¨¦ GÊxP.
Or
(b) Give the classification of Indian Medicinal Systems.
C¢v¯ ©¸zxÁ •øÓ°ß ÁøP¨£õmøh u¸P.
E–0394
3
Wk 713. (a) Write about pharmacognostical parameters for
characterization of medicinal plants.
©¸zxÁz uõÁμ[PÎß £s¦PøÍ AÍÂk®
£õº©PõUÛìiPÀ •øÓPÒ £ØÔ GÊxP.
Or
(b) Explain the morphology of any five local medicinal plants.
H÷uÝ® I¢x Ámhõμ ©¸zxÁz uõÁμ[PÎß ¦Ó
Aø©¨¤øÚ ÂÍUSP.
14. (a) Describe any two herbal drug preparation methods.
H÷uÝ® Cμsk uõÁμ ©¸¢xPÒ u¯õ›US®
•øÓPøÍ ÂÁ›UP.
Or
(b) Write about medicinally useful parts of important medicinal plants.
•UQ¯©õÚ ©¸zxÁz uõÁμ[PÎÀ £¯ß£k®
©¸zxÁ £õP[PÒ £ØÔ GÊxP.
15. (a) How do you establish the herbal garden in your backyard?
Eß Ãmk¨ ¤ß¦ÓzvÀ GÆÁõÖ ©¸zxÁ uõÁμ
÷uõmh® Aø©¨£õ´?
Or
(b) Give the medicinal uses of pot-cultured medicinal plants.
öuõmiPÎÀ ÁͺUP¨£k® ©¸zxÁz uõÁμ[PÎß
£¯ß£õkPÒ £ØÔ £mi¯À u¸P.
E–0394
4
Wk 7 Part C (3 10 = 30)
Answer any three questions.
16. Give an account on medicinal plant Wealth of India.
C¢v¯õÂß ©¸zxÁ uõÁμ ÁÍ® £ØÔ J¸ öuõS¨¦ u¸P.
17. Explain the disease diagnostic method and utility of medicinal plants in Siddha system.
]zu ©¸zxÁ •øÓ°À ÷|õ´ PshÔ²® Âu® ©ØÖ®
©¸zxÁz uõÁμ[PÎß £¯ß£õk £ØÔ ÂÍUSP.
18. List out the medicinally useful phytochemicals in plants.
uõÁμ[PξÒÍ ©¸zxÁ¨ £¯ß£õkªUP ÷Áv¨
ö£õ¸mPøÍ £ØÔ J¸ £mi¯¼mk ÂÍUSP.
19. Discuss in detail of medicinal plant collection and processing methods.
©¸zxÁz uõÁμ[PÒ ÷\P›US® •øÓ ©ØÖ® u¯õ›¨¦
ö\´²® Âu® £ØÔ ÂÁ›.
20. Explain the medicinal plant cultivation in pot culture.
öuõmiPÎÀ ©¸zxÁz uõÁμ[PÒ ÁͺUP¨£k® •øÓPøÍ
ÂÍUSP.
————————