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

B.Sc. Botany, 1st Year DEGREE EXAMINATION, DECEMBER 2006
Paper I - DIVERSITY OF MICROBES AND CRYPTOGAMS

Time : 3 hours Maximum : 100 marks

part A - (5 X 15 = 75 marks)
ans ALL ques..
every ques. carries 15 marks.
every ans should not exceed 300 words.

1. (a) provide an account of structure, replication and transmission of Viruses.

Or

(b) define the reproduction in Bacteria and add a note on economic importance.

2. (a) define the structure and life cycle of Oedogonium.

Or

(b) define the reproduction in Polysiphonia.

3. (a) provide an account of structure and reproduction of Penicillium.

Or

(b) Enumerate the structure, life history and systematic position of Albugo.

4. (a) Trace the evolution of sporophyte in Bryophytes.

Or

(b) define the structure and reproduction in Polytrichum.

5. (a) define the reproduction and life cycle in Lycopodium.

Or

(b) How stele is evolved in Pteridophytes? provide suitable examples.

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. Differences ranging from prokaryotic and eukaryotic cell.

7. kinds of Bacteria on the basis of flagella.

8. Sexual reproduction in Vaucheria.

9. Unilocular and plurilocular sporangia.

10. Aeciospores and pycnospores.

11. Conidiophores of Penicillium.

12. Archegoniophore in Marchantia.

13. Elaters.

14. Rhynia.

15. Equisetum cone L.S.

Earning:   Approval pending.