4
Question
Leaf fall occurs in a tree when there is increase in concentration of
Leaf fall occurs in a tree when there is increase in concentration of
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Solution
The correct option is D ethylene
Abscisic acid is a plant hormone. It is involved in various physiological processes of plant. It promotes abscission of leaves and hence the name given. Its concentration increases as plant ages and ultimately results in the leaf fall. It is involved in the ageing process of plant.Thus, the correct answer is option D.
Abscisic acid is a plant hormone. It is involved in various physiological processes of plant. It promotes abscission of leaves and hence the name given. Its concentration increases as plant ages and ultimately results in the leaf fall. It is involved in the ageing process of plant.
Thus, the correct answer is option D.
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