North Maharashtra University 2008 B.Sc Microbiology F.Y. -university exam paper

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NORTH MAHARASHTRA UNIVERSITY, JALGAON
ques. Paper F.Y.B.Sc. MICROBIOLOGY
PAPER I :- ELEMENTARY MICROBIOLOGY w.e.f. 2008-2009
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Q.1 A. Attempt subsequent (2 marks each)
1. By how many ways bacteria reproduce?
2. What is generation time?.
3. Enlist and define diagrammatically stages of binary fission.
4. describe bacterial growth.
5. Enlist the phases of bacterial growth curve.
6. Differentiate ranging from conidiophores and sporangiophore.
7. describe lag phase of bacterial growth curve.
8. describe logarithmic phase or Exponential phase of growth curve.
9. describe stationary phase of growth curve.
10. describe death phase of growth curve.
11. Enlist various direct methods to measure the bacterial growth.
12. What is CFU?
13. Enlist various indirect methods to measure the bacterial numbers.
14. provide the significance of growth.
15. What is the difference ranging from growth and reproduction?
16. Draw and tag properly bacterial growth curve.


Q.2 Write short notes on subsequent (6 marks each)
1. discuss and define diagrammatically stages of binary fission in bacteria.
2. What is generation time? Enlist various phases of Growth.
3. discuss logarithmic phase or Exponential phase.
4. discuss plate count for measuring bacterial population.
5. provide in brief direct methods to measure the viable count.
6. How will you determine the bacterial number by dry weight method?
7. How will you estimate bacterial number by turbidity method?
8. provide the principle of spectrophotometer.
9. provide the disadvantages of plate count.
10. discuss membrane filtration technique
11. discuss concept of growth & provide the Mathematical expression of growth.
12. discuss in detail Reproduction of Bacteria.
13. define Growth Rate & Generation Time.
14. discuss in detail Growth curve of bacterial population.
15. define the practical application of Bacterial Growth Curve.
16. define reproduction of bacteria by means of budding & fragmentation.
17. define the method for measurement of growth.(Only 1 method)
18. provide the methods for growth determination by using biomass.
19. provide the methods for growth determination by cell count.
20. define the significance of growth measurement.

Earning:   Approval pending.