Entry Test MCQ :: Cell Cycle
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| 1. |
Period between two consecutive divisions is called |
| A. |
Interphase |
B. |
Resting phase |
| C. |
Mitotic phase |
D. |
Cell cycle |
Answer: Option A
Explanation:
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| 2. |
DNA is synthesized and chromosome number is doubled in |
| A. |
G1 phase |
B. |
S phase |
| C. |
G2 phase |
D. |
G0 phase |
Answer: Option B
Explanation:
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| 3. |
In case of neurons, post mitotic cell escapes cell cycle and remain in _______ phase whthout proliferating further |
| A. |
G0 phase |
B. |
G1 phase |
| C. |
G2 phase |
D. |
S phase |
Answer: Option A
Explanation:
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| 4. |
Which statement is incorrect? |
| A. |
In human, cell cycle is about 24 hrs |
B. |
Mitosis takes 30 min |
| C. |
G2 5.5 hrs |
D. |
Yeast cell only 90 min |
Answer: Option C
Explanation:
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| 5. |
Mitosis occurs in |
| A. |
Diploid cells only |
B. |
Haploid cells only |
| C. |
Both diploid and haploid cells |
D. |
Monoploid cells |
Answer: Option C
Explanation:
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| 6. |
Microtubules are composed of |
| A. |
Action protein |
B. |
Actin and myosin proteins |
| C. |
Sphingomyelin and tubulin |
D. |
Tubulin protein and traces of RNA |
Answer: Option D
Explanation:
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| 7. |
From each pair of centrioles ________ sets of microtubules originate |
Answer: Option B
Explanation:
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| 8. |
Mitotic apparatus in animals is formed by |
| A. |
Aster and spindle |
B. |
Polar and kinetochore microtubules |
| C. |
Spindle and RNA |
D. |
Spindle only |
Answer: Option A
Explanation:
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| 9. |
A special area of centromere with specific base arrangement and specific proteins where spindle fibers are attached is called |
| A. |
Chromatin |
B. |
Aster |
| C. |
Kinetochore |
D. |
Primary constriction |
Answer: Option C
Explanation:
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| 10. |
Each kinetochore gets ________ fibers in mitosis |
Answer: Option D
Explanation:
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