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Bean seeds were planted and put on a sun...

Bean seeds were planted and put on a sunny windowsill. As the plants grew, their stems bent toward the window. This bending was most likely caused by an

A

Unequal distribution of auxin in the stem .

B

Unequal distribution of a neurotransmitter in the stem.

C

Equal distribution of a auxin in the stem.

D

Equal distribution of a neurotransmitter in the stem.

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The correct Answer is:
A
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NTA MOCK TESTS-NTA NEET SET 66-BIOLOGY
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