Acharya Nagarjuna University (ANU) 2005 M.Sc Microbiology INTRODUCTION TO MICRO ORGANISMS - Question Paper

(DMB 01)

M.Sc.DEGREE EXAMINATION, DECEMBER 2005

First Year

Microbiology

Paper I - INTRODUCTION TO MICRO ORGANISMS

Time : 3 hours Maxiumu : 100 marks

PART A - (5 X eight = 40 marks)

ans any 5 of the subsequent.

All ques. carry equal marks.

1. Agrobacterium and its importance.

2. G + C ratio.

3. Symmetry of viruses.

4. Prions

5. Thallus organization in micro algae.

6. Hetero thallism.

7. Sporozoa.

8. Fungi imperfecti.

PART - (4 X 15 = 60 marks)

ans all the 4 ques..

UNIT I

9. (a) define the important contibutions made by Louis Pasteur.

or

(b) elaborate the 3 domains of Carl Woese classification ? compare the characteris
tics of these domains.

UNIT II

10. (a) elaborate the main criteria used in the classification of bacteria ? discuss the salient
features of numerical taxonomy.

or

(b) Write classification and economic importance of archaeobacteria.

UNIT III

11. (a) define the chemical structure of viruses.

or

(b) Write an essay on transmission of viruses.

UNIT IV

12. (a) Sketch the classification of fungi down to the class level.

or

(b) Write the general features and economic importance of micro algae.

Earning:   Approval pending.