Direction for: In each of the following questions a statement of Assertion is given followed by a corresponding statement of Reason just below it. Of the statements mark the correct answer as
Assertion: Auxin helps in apical dominance. Reason: If a pest of auxin is painted on the cut end of the decapitated shoot. The lateral buads remain inhibited.A) If both Assertion and Reason are true and Reason is the correct explanation of Assertion.
B) If both Assertion and Reason are true but Reason is not the correct explanation of Assertion.
C) If Assertion is true but Reason is false.
D) If both Assertion and Reason are false.
Correct Answer: A
Solution :
In apical dominance presence of apical bud does not allow the lateral buds to grow. It is due to auxin hormone which synthesized in tip and transfer to lateral buds where it does not allow the lateral buds to grow. This can be seen when a pest of auxin is painted on the cut end of the decapitated shoot.
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