E–0290 Sub. Code 1BBO1C1

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

öá®©õ

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


Second Semester

Botany

PLANT DIVERSITY – II (PTERIDOPHYTES, GYMNOSPERMS AND

PALEOBOTANY)



Part A (10 2 = 20)


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)


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)


16. Discuss the stelar evolution of pteridophytes.

öh›m÷hõø£mhõÂß Phzx EÖ¨¦&ìi»õ›ß £›nõ©

ÁÍºa]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»ï÷hõöhßμõß ©ØÖ® ö»ï÷hõPõº£Ûß £À÷ÁÖ

ußø©PøÍ £ØÔ ÂÁõvUP.

———————

Wk 7

E–0292


Third Semester

Botany

EMBRYOLOGY OF ANGIOSPERMS AND PLANT TISSUE CULTURE



Part A (10 2 = 20)


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_ÁÍº¨¤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)


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 ÇÂzvø»zuõÁμ ÁÍºa]¯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® ÁÍº¨¦ £ØÔ GÊxP.

Or

(b) Give an account on Role of culture techniques in plant improvement.

uõÁμ ÷©ß£õmk xøÓ°À £¯ß£k® v_ ÁÍº¦

~m£zvß £[QøÚ £ØÔ SÔ¨¦ u¸P.

Part C (3 10 = 30)


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 ÁÍº]ø¯ £ØÔ ÂÁõvUP.

E–0292

4

Wk 717. Give an account on structure and development of a

Monocot embryo.

J¸Âzvø» uõÁμ P¸ÁÍºa] ©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_ ÁÍº¨¦ £ØÔ SÔ¨¦ u¸P.

20. Discuss the production and significance of Haploids.

J¸ø©¯zuõÁμ ÁÍº¨¦ •øÓ ©ØÖ® •UQ¯zxÁzøu £ØÔ

ÂÁõvUPÄ®.

————————

Wk 3

E–0293


Fourth Semester

Botany

BIOCHEMISTRY, MOLECULAR BIOLOGY AND INSTRUMENTATION



Part A (10 2 = 20)


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)


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® Gß£øu 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 Gß£øu

{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£õkPøÍ¨ £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£õkPøÍ¨

£mi¯¼kP.

Part C (3 10 = 30)


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®

£¯ßPøÍ¨ £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


Fifth Semester

Botany

TAXONOMY OF ANGIOSPERMS AND ECONOMIC BOTANY



Part A (10 2 = 20)


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.

íì¥›i¯® 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)


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

uõÁμÂ°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 uõÁμÂ¯À ö£¯º, £¯ß£k® £Sv

©ØÖ® £¯ßPøÍ SÔ¨¤kP.

15. (a) Give the Botanical name, Family and uses of Teak wood.

÷uUS ©μzvß uõÁμÂ°À ö£¯º, Sk®£® ©ØÖ®

£¯ßPøÍ u¸P.

Or

(b) Mention the Botanical name, Family, useful part and uses of cotton.

£¸zv uõÁμzvß uõÁμÂ°À ö£¯º, Sk®£®,

£¯ß£k® £Sv ©ØÖ® £¯ßPøÍ SÔ¨¤kP.

E–0294

4

Wk 7 Part C (3 10 = 30)


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


Fifth Semester

Botany

GENETICS, PLANT BREEDING, BIO-STATISTICS AND PLANT ECOLOGY



Part A (10 2 = 20)


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 Â»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)


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.

¦ÒÎ°¯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)


16. Write an account on extra chromosomal inheritance in plants with suitable examples.

uõÁμ[PÎÀ S÷μõ÷©õ÷\õ® \õº£ØÓ £õμ®£›¯ £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 £[PÎ¨¦ £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 ¦ÒÎ¯À \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[PøÍ²® ©ØÖ® PõkPÒ

AÈÁuõÀ ‰»® `Ì{ø»°À HØ£k® uõUPzvøÚ²® £ØÔ

J¸ Pmkøμ GÊxP.

————————

Sp1

E–0296


Sixth Semester

Botany

PLANT PHYSIOLOGY AND BIOPHYSICS



Part A (10 2 = 20)


1. Diffusion

£μÄuÀ

2. Guttation

}º JÊUS

3. Hill’s reaction

îÀì ÂøÚ

4. Oxidative phosphorylation

BUêáß HØÓ £õì£›Pμn®

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)


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)


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¯UPÂ¯À ÷Põm£õk°ß ÂvPøÍ _¸UP©õP

ÂÍUPÄ®.

————————

Ws4

E–0297


Sixth Semester

Botany

MICROBIOLOGY



Part A (10 2 = 20)


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)


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 ÁÍºa]°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)


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



Part A (10 1.5 = 15)


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 JÄ³ÀPÒ

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 ÁøÍ¯®

Part B (5 3 = 15)


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¯õÂ¾ÒÍ ì÷£õºPÎß ÁøPPøÍ ÂÍUSP.

12. (a) Discuss the parts of sporophyte in Polytrichum.

£õ¼møμPzvß ì÷hõ÷μõø£miß £õP[PøÍ¨ £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¦PøÍ¨

£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 Ç¨¤h Aø©¨¤ß

Ai¨£øh°À ÁøP¨£kzxP.

Or

(b) Give an account on simple plant tissues.

GÎø©¯õÚ uõÁμ v_UPøÍ¨ £ØÔ J¸ öuõS¨¦ u¸P.

Part C (3 10 = 30)


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

EuÂ²hß ÂÁ›.

19. Enlist the general characters of Gymnosperms.

â®÷Úõì ö£º®PÎß ö£õx¨ £s¦PøÍ¨ £mi¯¼kP.

20. Explain the secondary thickening in dicot stem.

ÇÂzvø»z uõÁμz usiß Cμshõ® {ø» ÁÍºa]ø¯¨

£ØÔ ÂÍUSP.

______________

Wk 7

E–0394


Fifth Semester

Botany

Elective — MEDICAL BOTANY



Part A (10 2 = 20)


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)


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£õ¼ìmPøÍ²® ©ØÖ® AÁºPÒ ©¸zxÁz

uõÁμ[PøÍ øP¯õsh Âu[PøÍ²® ÂÁ›UP.

12. (a) Write note on the medicinal plants used in Unani system.

²ÚõÛ ©¸zxÁ •øÓ°À £¯ß£kzu¨£k®

uõÁμ[PøÍ¨ £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 ÁÍºUP¨£k® ©¸zxÁz uõÁμ[PÎß

£¯ß£õkPÒ £ØÔ £mi¯À u¸P.

E–0394

4

Wk 7 Part C (3 10 = 30)


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[PÎ¾ÒÍ ©¸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 ÁÍºUP¨£k® •øÓPøÍ

ÂÍUSP.

————————

E–0290 Sub. Code 1BBO1C1

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