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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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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