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Question

Cell elongation in internodal region takes place due to .................

A
Gibberellins
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B
Ethylene
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C
Cytokinins
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D
Indole acetic acid
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Solution

The correct option is A Gibberellins
Gibberellins are growth hormones that stimulate cell elongation and cause plants to grow taller. Gibberellins also have a role in other processes in plants, including stem elongation, germination, flowering and fruit ripening.

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