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19. Analysis through cell division and its types

7.5 m.

In the given exercise, an Assertion is followed by the corresponding Reason. Mark the suitable answer from the given options:

1.

Assertion:	Synthesis of histone proteins takes place in S phase.
Reason:	Formation of spindle fibres and cell growth occur in the G2 phase.

Both assertion and reason are correct and reason is the correct explanation of assertion.
Both assertion and reason are correct, but reason is not the correct explanation of assertion.
Assertion is correct but reason is false.
Assertion is false, but reason is correct.

2.

Assertion:	In telophase, nucleolus and nuclear membrane reassembles and reappear in each daughter nucleus.
Reason:	During telophase, all daughter cells return to the condition of G0 phase.

Both assertion and reason are correct and reason is the correct explanation of assertion.
Both assertion and reason are correct, but reason is not the correct explanation of assertion.
Assertion is correct but reason is false.
Assertion is false, but reason is correct.

3.

Assertion:	Mitosis plays a vital role in the growth, organ development and increase in body size of a multicellular organism.
Reason:	All the somatic cells are formed by mitosis.

Both assertion and reason are correct and reason is the correct explanation of assertion.
Both assertion and reason are correct, but reason is not the correct explanation of assertion.
Assertion is correct but reason is false.
Assertion is false, but reason is correct.

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