General Properties Of Microorganisms Objective Type Questions And Answers

6. The proteinaceous compound are converted to ammonia by
a. Putrification bacteria
b. Ammonifiaction bacteria
c. Nitrification bacteria
d. Denitrifying bacteria
Ans: B

7. A cell becomes flaccid when placed in a
a. Isotonic solution
b. Hypertonic solution
c. Hypotonic solution
d. Normal solution
Ans: B

8. A mutation causing a substitution of one amino acid is called
a. Point mutation
b. Silent mutation
c. Missence mutation
d. None of these
Ans: C

9. The formation spindle fibres in the process of cell division is prevented by
a. Corchicine
b. ATP
c. Hydrazine
d. All of these
Ans: C

10. Important class of respiratory enzymes:
a. NAD
b. Cytochromes
c. ATPase
d. Hydrolases
Ans: B

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