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| 71. |
M-phase of cell cycle lasts for about: |
| A. |
1 hour |
B. |
5 hours |
| C. |
8 hours |
D. |
10 hours |
Answer: Option A
Explanation:
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| 72. |
During G1 phase of cell cycle there is: |
| A. |
Synthesis of substances essential for biosynthesis of DNA |
B. |
Duplication of DNA |
| C. |
Growth and duplication of cytoplasm |
D. |
Cell division |
Answer: Option A
Explanation:
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| 73. |
S - phase of cell cycle is characterized by: |
| A. |
Duplication of DNA |
B. |
Duplication of cytoplasm |
| C. |
Growth and duplicate |
D. |
None of these |
Answer: Option A
Explanation:
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| 74. |
Cell division takes place in which of these phases of cell cycle: |
| A. |
G1 - phase |
B. |
S - phase |
| C. |
G2 - phase |
D. |
D - phase |
Answer: Option D
Explanation:
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| 75. |
Intact nuclear membrane, chromatin fibres, double DNA etc, characterize which of these phases: |
| A. |
M - phase |
B. |
D - phase |
| C. |
Interphase |
D. |
None of these |
Answer: Option C
Explanation:
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