N A L A N D A O P E N U N I V E R S I T Y
M.Sc. Botany, Part-I
PAPER-IV
(Biology and Diversity of Bryophyta and Pteridophyta)
Annual Examination, 2016
Time 3 Hours. Full Marks 80
Answer Five Questions in all, selecting at least Two Questions from each group.
All questions carry equal marks.
GROUP
1. Give an account of classification of Bryophytes up to order levels.
2. Describe different methods of vegetative reproduction in Bryohytes.
3. Write short notes on
Fossil Hepaticopsida
Fossil Bryopsida
4. Give an account of Jungermaniales. What are its affinities
5. Write short notes on any Two of the following:
Capsule of Calobryum
Sex organ in Metzerineae
Theories of Progressive sterilization of Sporogenous tissue
Apospory
Economic importance of Bryophytes
GROUP
6. What is heterospory and seed habit Describe it with reference to life cycle of Selaginella.
7. Describe the salient features in the life cycle of Psilotum.
8. Write short notes on any Two of the following:
Affinities of Isoetales
Nature of fertile spike of Ophioglossum
Sporocarp of Azolla
Characters of Eusporangiate fern.
9. Describe the life cycle of any member of order Filicales.
10. Write short notes on any Two of the following:
Actinostele
Sorus
Siphonostele
Broad classification of Pteridophytes.