Nalanda Open University
Annual Examination 2017
B.Sc. Botany (Honours), Part-I
Paper-II
Time: 3.00 Hrs. Full Marks: 80
Answer any Five questions. All questions carry equal marks.
1. Give a general account of gymnosperms.
2. Describe the development of female gametophyte of Pinus.
3. Give an account of the development of male gametophyte of Gnetum.
4. Name fossil flora of Bihar and Jharkhand. Describe the life cycle of any one of them.
5. Describe the seed of Lyginopteris. Mention its phylogenetic value.
6. Describe the classification of Angiosperms as proposed by Bentham and Hooker.
7. Describe the floral characters. floral diagram, floral formula, plants of economic
importance of any one of the following:
Rananculaceae Acanthaceae
8. Describe the rules of international code of botanical nomenclature.
9. Write short notes on any four of the following:
Transfusion tissue Verticillaster
Hypantodium Sporophyte of Rhynia
Fructification of Calamites Four plants of economic importance
(botanical names)
10. Write briefly about the modern system of classification of angiosperms.