Assertion: If pollen mother cells has 42 chromosomes. The pollen has only 21 chromosomes.
Reason: Pollens are formed after meiosis in pollen mother cell.

If both the assertion and the reason are true and the reason is a correct explanation of the assertion

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If both the assertion and reason are true but the reason is not a correct explanation of the assertion

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If the assertion is true but the reason is false

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If both the assertion and reason are false

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If the assertion is false but reason is true

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Solution

The correct option is A If both the assertion and the reason are true and the reason is a correct explanation of the assertion
Pollen are formed by meiosis in pollen mother cells. Hence, chromosome number will be reduced to half in pollens.
So, the correct answer is 'If both the assertion and the reason are true and the reason is a correct explanation of the assertion'

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Similar questions

Read the assertion and reason carefully to mark the correct option out of the options given below :

(a) If both assertion and reason are true and the reason is the correct explanation of the assertion.

(b) If both assertion and reason are true but reason is not the correct explanation of the assertion.

(d) If the assertion and reason both are false.

(e) If assertion is false but reason is true.

Assertion: Acetic acid does not undergo haloform reaction.

Reason: Acetic acid has no alpha hydrogens.

\to τ = \to r \times \to F b u t \to τ \neq \to F \times \to r .

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