Nalanda Open University 2010 M.Sc Botany Part–I, –IV (Biology and Diversity of Brophyta and Pteridophyta) - Question Paper
M.Sc. Botany Part–I, Paper–IV (Biology and Diversity of Brophyta and Pteridophyta)
Annual Examination, 2010
Part-1, Paper-IV (Biology and Diversity of Brophyta and Pteridophyta)
Annual Examination, 2010 Full Marks : 80 Time : 3 Hours.
Answer ant/ I'ive Questions. At least two questions from each group.
Alt questions carry equal marks.
GROUP 'A'
1. Discuss the external and internal structure of the gametophvte of the marchantials.
2. Describe the different methods of vegetative reproduction in Brophvta.
3. Give an account of classification of Brvophvta upto order level and indicate special features of each other.
4. Write short notes on anv Two of the following (a) Uses of Sphagnum.
(I)) Medicinal uses of Brvophvtes.
(c) Gemmacap.
5. Write short notes on am- Ttvo of the following (a) Sporophvtes of Jungermamials.
(I)) Aposporv.
(c) Progrmive sterilization of sporogenous tissue.
GROUP IT
6. Give an account of Isoetals and their affinities.
7. What are the salient features in the life history of Psilotem.
8. Describe the development of gametengia and sporangia in leptosporamgiati fern.
9. Describe the seed habitat and its origin with reference to Selaginella.
10. Write short notes on any Two of the following (a) Characters of Husporamgiati fern.
(I)) Apsogamv and Apospon-.
(c) Structure of Antheridium and Archegonium.
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