M.Sc. DEGREE EXAMINATION, APRIL/MAY 2018.
Second Semester
Microbiology
Paper IV MICROBIAL PHYSIOLOGY
2 20624-AA
Time 3 Hours Max. Marks 70
PART — A
Answer any SIX of the following. 5 30 Marks)
All questions carry equal marks.
1. Aerobic respiration.
2. Autotrophic metabolism.
3. The concepts of phototrophs.
4. Slant culturing.
5. Supramolecules.
6. Formation of protoplasm.
7. Properties of spores.
8. Toxic enzymes.
PART — B
Answer ALL questions. 10 40 Marks)
All questions carry equal marks.
9. Describe the nutritional groups of Bacteria.
Or
Describe aerobic and anaerobic fermentation.
10. Describe the culturing and cultivation of microorganisms.
Or
Explain the aerobic and anaerobic culturing methods.

11. Describe the growth phases and factors affecting growth of bacteria.
Or
Describe the cell cycle and generation time in microbes.
12. Describe the properties of pathogenic microbes.
Or
Write an account on biochemistry and genetics of sporulation.
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