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, 2018
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 Progressive sterilization of sporogenous tissues in Bryophytes.
2. Describe different methods of vegetative reproduction in Bryophytes.
3. Give an account of classification of Bryophytes upto order levels. Also describe characters of each
group.
4. Describe the range of thallus structure in Bryophytes.
5. Write short notes on any two of the following
Similarities between Bryophytes and Algae
Role of Peristome in liberation of spores.
Photosynthetic tissues in Bryophytes
Sporophyte of Pellia
GROUP
6. Discuss the importance of heterospory in the origin and evolution of seed habit.
7. Give an account of Isoetes and its affinity .
8. Describe the life cycle of any member of order Filicales.
9. Write short notes on any two of the following
Siphonostele
Cone of Equisetum
Sporocarp of Marsilea
Types of sorus in ferns
10. Describe the salient features in the life cycle of Psilotum.