Acharya Nagarjuna University (ANU) 2006 B.Sc Botany DIVERSITY OF MICROBES AND CRYPTOGAMS - Question Paper

B.Sc. DEGREE EXAMINATION, MAY 2006.
(Examination at the end of 1st Year)
Part II - Botany
Paper I - DIVERSITY OF MICROBES AND CRYPTOGAMS

Time : 3 hours Maximum : 100 marks

Draw diagrams wherever necessary.
part - A (5 x 15 = 75 marks)
ans any ALL ques.
every ques. carries 15 marks.
every ans should not exceed 300 words.

1. (a) elaborate prokaryotes ? define the cell organisation in prokaryotes.

Or

(b) define the mode of nutrition in Bacteria.

2. (a) Write an essay on classification and economic importance of Algae.

Or

(b) provide an account of structure, reproduction, life history and systematic position of Ectocarpus.

3. (a) define the general characters, classification and economic importance of Fungi.

Or

(b) provide an account of reproduction and life history of Puccinia.

4. (a) define the structure and reproduction in Marchantia.

Or

(b) provide an account of general characters, classification and alternation of generations of
Bryophytes.

5. (a) define the heterospory and seed habit in Pteridophytes.

Or

(b) define the sturucture and life history of Equisetum.

part - B (5 x five = 25 marks)
ans any 5 of the subsequent
every ques. carries five marks.
every ans should not exceed 100 words

6. Biofertilizers. 11. Asexual reporduction in Penicillium.
7. Mycoplasma. 12. Sporophyte of Anthoceros.
8. Sex organs of Chara. 13. Gametophyte of Polytrichum.
9. Tetrasporophyte in polysiphonia 14. Sporocarp of Marsilea.
10. Heterothallism. 15. kinds of Stele in Lycopodium.

Earning:   Approval pending.