BSc Biotechnology Sem I 2023 2024 Dec 2024 MICROBIOLOGY I Question Paper - Mumbai University | munotes

Questions asked in this paper

• 1. Attempt all questions

1. Q2 All questions carry equal marks
2. Q4 For Q 2, Q3 and Q 4 attempt A and B OR C and D as directed (Any fifteen) 15 Give one example of an enriched medium is the international standard for bacterial taxonomy ( GFS
3. Q4 What is ‘Freeze-drying’ Protozoa are unicellular prokaryotic organisms.State whether the statement is true or false
4. Q6 Mention one application of Agriculture microbiology State the use of basic fuchgin in Endo agar medium
5. Q8 Give any one example of phenolic compound as a chemical agent for
6. Q9 common commercial preparation is Betadine, which is a povidone-iodine is an example of iodophor. State whether the given statement is true or false
7. Q10 Define bacteriostatic agent Agent which kills fungi is called as ( fungicide , 12, the compound containing copper which is used as an effective algicide in lakes and swimming pools Name the aldehyde which was used to preserve biclogical specimens Give another name for chlorine containing compound which is used as a Write a role of objective lenses
8. Q16 Give one example of neutral dyes Write one example of special staining Give the one advantage of scanning electron microscope
9. Q2 A Discuss the major nutritional types of micro-organisms with examples. 8 marks
10. Q2 B ‘MacConkey agar is both a differential and selective medium. Justify the Explain how would you preserve the micro-organisms under low 08 7 marks
11. Q2 D How was the theory of ‘Abiogenesis’ disproved by Louis Pasteur? 7 marks
12. Q3 A Give a brief account on radiation as an agent which can be used to control microorganisms and add a note on non ionizing radiations 8 marks
13. Q3 B Moist heat is an agent which can be used to control microorganisms. 7 marks
14. Q3 C Elaborate on phenol and phenolic compounds as a chemical agent for control of microorganisms and add a note on alcohol as an antimicrobial 8 marks
15. Q3 D_ Describe in brief the use of chemical agents in control of microorganisms with respect to heavy metals and aldehydes 7 marks
16. Q4 A_ Discuss the working of phase contrast microscope. 8 marks
17. Q4 B Explain dyes and its types with examples. 7 marks
18. Q4 C Explain working of transmission electron microscope. Write a note on dark field microscopy. 07 Write Short notes on any three of the following 15 8 marks
    • b. Ethylene oxide as a chemical agent for controlling microorganisms Dry heat as a method for controlling microorganisms
    • d. ~ Parts of bright field microscope Application of fluorescence microscope

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