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Cell Cycle - Questions and Answers

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366. Meiosis occurs in Tomato in
A. Pollen sac and ovule
B. Microspore and megaspore mother cells
C. Both A and B
D. Zygote
Explanation:
367. The major importance of meiosis lies in
A. Development of mutations
B. Sexual reproduction
C. It transfers chromosomes through mitosis
D. It maintains chromosome number generation after generation
Explanation:
368. When do viscosity and refractivity of cytoplasm increase?
A. G1-phase
B. S-phase
C. Prophase
D. Metaphase
Explanation:
369. Condensation of chromosome with visible centromere occurs during
A. G1-phase
B. G2-phase
C. S-phase
D. M-phase
Explanation:
370. Significance of meiosis lies in
A. Production of genetic variability
B. Maintaining constancy of chromosome number during sexual reproduction
C. Reduction of chromosome number to one half
D. All the above
Explanation:
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