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

M.Sc. (Previous) DEGREE EXAMINATION, DECEMBER 2005
First Year
Microbiology
Paper I - INTRODUCTION TO MICRO ORGANISMS

Time : 3 hours Maximum : 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 imperfection.

PART - (4 X 15 = 60 marks)
ans all the 4 ques..
UNIT I

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

or

(b) elaborate the 3 domains of Carl Woese classification ? compare the characteristics 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 archaeo bacteria.

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.