Bryology and Pteridology February 2014 MGU CSS MSc Botany

MAHATMA GANDHI UNIVERSITY, KOTTAYAM, KERALA, INDIA

M.Sc. BOTANY DEGREE (CSS) EXAMINATION, FEBRUARY 2014
First Semester
Faculty of Sciences, Branch VI – Botany
PC 3 – BRYOLOGY AND PTERIDOLOGY
(2012 Admission on-wards)
Time: Three Hours Maximum Weight: 30

I. Answer any six of the following in not less than 50 words. Weight 1 each

1. What are the characteristic features of Psilopsida?
2. What are tuberculate rhizoids?
3. What is Synangium? Describe its structure.
4. What are Gemma cups?
5. What are microphylls? Name the plant it is seen.
6. What is antheridiophore? What is its function?
7. What are myxohydric bryophytes?
8. What is incubus arrangement? Give an example.

II. Answer any seven of the following in not less than 100 words. Weight 2 each

9. What are the characteristic features of Hepaticopsida?
10. Describe the gametophyte of Psilotum.
11. Why Equisetum is called as horse tail?
12. Give an account of sporophyte in Jungermanniales.
13. Describe the internal morphology of rhizophore.
14. Give the salient features of Anthocerotales.
15. Describe Trabeculae.
16. Explain the major contributions of Indian Bryologists.
17. Write notes on heterospory and seed habitat in Pteridophytes.
18. Describe the mechanisms for drought tolerance in Bryophytes.

III. Answer any two of the following in not less than 250 words. Weight 5 each

19. Give an account of the thallus organization in Bryophytes.
20. Describe the economic importance of Bryophytes.
21. Describe the stellar organization in Pteridophytes.

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