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2020 B.Sc. Biochemistry Bharathidasan University, B.sc Degree Examination, Microbiology, Nov 2020. Question paper
Are you looking for the old question papers from Bharathidasan University of B.Sc Degree Examination of Microbiology paper? Here is the previous year question paper from Bharathidasan University. This is the original question paper of Microbiology exam conducted in Nov 2020. Feel free to download the question paper from here and use it to prepare for your upcoming exams.
S.no. 15292 TD
(For candidates admitted from 2008-15 onwards)
B.sc Degree Examination, Nov 2020.
Part III - Biochemistry - Major
Time : Three Hours Maximum : 75 marks
Section A - (10×2=20 marks)
Answer all questions
1. Which factors affect the growth of micro organism?
2. How will you cultivate bacteria?
3. Classify algae.
4. How will you control fungal growth?
5. Define Pasteurization.
6. What is bacterial count?
7. Define disinfection
8. Name the factors which influence infection.
9. Write the principle of fluroscent microscope.
10. What is resolving power?
Section B - (5×5=25 marks)
Answer all questions choosing either (a) or (b)
11.a) Explain the characteristics and importance of cyanobacteria.
b) Discuss on the methods to control bacterial growth.
12.a) Describe bacteriophages with its characteristics.
b) Write the morphology of yeast and molds.
13.a) Explain in detail on the spoilage and preservation of food.
b) Discuss on the production of fermented milk product - cheese
14.a) Elaborate on the action of antimicrobial agents.
b) Write a brief note on exotoxins.
15.a) Illustrate on the principle and applications of phase contrast microscope.
b) Explain the principles and applications of phase contrast microscope.
Section C - (3×10=30 marks)
Answer any Three questions
16. Explain the various methods in staining of bacteria.
17. Discuss on the occurrence, characteristics and biological importance of algal.
18. Write about clostridium welchi poisoning and staphylococcus poisoning.
19. Elaborate on the sources, types and transmission of infection.
20. Describe the principle and applications of scanning electron microscope.
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