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Cell Cycle And Cell Division

Question
CBSEENBI11003382
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Colchicine prevents the mitosis of the cells at which of the following stage?

  • Anaphase

  • Metaphase

  • Prophase

  • Interphase

Solution

B.

Metaphase

Colchicine, an alkaloid obtained from Colchincum autumnale (Liliaceae), prevents mitosis by inhibiting spindle formation through disruption of microtubules. It is a mitotic poison.

Some More Questions From Cell Cycle and Cell Division Chapter

 Namethe five phases of of Prophase I.

 What are two types of cells on the basis of presence or absence of nucleus ?

Name an important event that occurs during meiosis and not during mitosis.

Name a cell that has half the number of chromosomes. Name the process responsible for the reduced number.

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At which stage of mitosis, the two chromatids of each chromosome separate and move towards opposite poles.

Name the cell division which is responsible for growth and healing of wounds.

What type of cell division can produce variations ?

Name the active site of meiosis in flowering plants.

 What is synapsis ?

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