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Standard IX

Biology

Plants

Assertion :Su...

Question

Assertion :Suppression of growth of auxillary buds is called apical dominance. Reason: It is due to effect of downward movement of Auxin from apical region towards the lower side.

Both Assertion and Reason are correct and Reason is the correct explanation for Assertion

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Both Assertion and Reason are correct, but Reason is not the correct explanation for Assertion

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Assertion is correct but Reason is incorrect.

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Assertion is incorrect but Reason is correct.

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Solution

The correct option is A Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
The effect of downward movement of Auxin from apical region towards the lower side leads to suppression of growth of auxillary buds is called apical dominance. Therefore, both Assertion and Reason are correct and Reason is the correct explanation for Assertion.

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(c) Assertion is correct, but reason is incorrect
(d) Both assertion and reason are incorrect
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Choose the correct option.

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