Plant Growth and DevelopmentHard

Question

Cell elongation in internodal regions of the green plants takes place due to

Options

A.indole aceti acid
B.cytokinins
C.gibberellins
D.ethylene

Solution

Gibberellins promotes internodal elongation in a wide range of species. This internodl elongation phenomenon is known as bolting. Gibberellin is a plant growth hormone which was first time obtained from a fungus Gibberella fujikuroi (Fusarium moniliformi)

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