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Cell Cycle - Questions and Answers

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386. Cell division is initiated by
A. Cytokinin
B. Auxin
C. Gibberellin
D. ABA
Explanation:
387. Colchicine interferes with cell division because of
A. Splitting of chromosomes
B. Nonpairing of chromosomes
C. Double replication of chromosomes
D. Nonformation of spindle
Explanation:
388. If mitotic division is restricted in G1 phase of cell, the condition is known as
A. G2-phase
B. S-phase
C. G0-phase
D. M-phase
Explanation:
389. Spindle fibres arise from
A. Centriole
B. Centromere
C. Nucleus
D. Mitochondria
Explanation:
390. Mitosis takes place in
A. All types of cells except those involved in gamete formation
B. Gonads
C. Axillary buds situated near the apical bud
D. Cells of mature leaf
Explanation:
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