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 of pteridophyta)
Annual Examination, 2017
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. Describe general characters of Bryophytes.
2. Describe salient features of order Marchantiales and its affinities.
3. Give an account of structure and reproduction of Takakia.
4. Write short notes on any Two of the following
Sporophyte of Riccia Gemma cup of Marchantia
Moss protonema Columella Elaters
5. Describe the sporophyte of Anthoceros and highlight its role in evolution of land plants.
GROUP
6. Describe the sporophyte of selaginella and mention its significance.
7. Describe stele found in Pteriodophytes.
8. Describe the structure and reproduction in Psilotum.
9. Describe the structure and reproduction in a fossil genera Rhynia. Highlight its affinity .
10. Write short notes on any Two of the following
Spore producing organ of Equisetum Cyathea
Sorus and its significance Sporocarp of Marsilea