Madras University (UnOM) 2006-3rd Sem B.Sc Biotechnology - III - Bryophytes and Pteridophytes - Question Paper

Semester III - Paper III - Bryophytes and Pteridophytes

Time: 3 hours
Maximum 100 marks

part - A [10 x three = Marks 30]

ans any TEN questions:

All ques. carry equal marks.Each ans should not exceed 50 words

Draw diagrams wherever necessary

1. Heterospory
2 Elaters
3. Carinal canal
4. Rhizoid
5. Gemmae
6. Sporangium.
7.Meristamatic tissue
8. Columella
9. Symbiosis
10. Operculum
11. Ligule
12.Indusium

part - B [5 x six = Marks 30]

ans any 5 ques.. All ques. carry equal marks

every ans should not exceed 200 wordsDraw diagrams wherever necessary.

13. discuss the morphology and anatomy of Marchantia

14. define the vegetative struture of Equisetum

15. List out the general characters of Hepaticopsida

16. define the Antheridial branch of Polytrichum

17. define the morphology of sporophyll of Dicranopteris

18. define the internal structure of Antheridiophore in Marchantia

19. define the cone of Lycopodium

part - C [4 x 10 = Marks 40]

ans any 4 ques..Al1 ques. carry equal marks

every ans should not exceed 500 words

Draw diagrams wherever necessary

20. provide an account of sporophyte of Anthoceros

21. define the structure of gametophyte of Lycopodium

22. provide an account of stelar evolution in pteridophytes.

23. define the structure of sporo carp in Marsilea

24. Bring out difference ranging from the capsule of Marchantia and Polytrichum.


25. provide an account of general characters of Pteridophytes.

Earning:   Approval pending.