The substance that triggers the fall of mature leaves and fruits from plant is due to

Auxin

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Gibberellin

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Abscisic acid

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Cytokinin

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Solution

The correct option is B Abscisic acid
Abscisic acid is the plant hormone, which is responsible for dormancy of seeds and inhibition of seeds. It stimulates the closure of stomata, inhibit shoot growth, stimulate the storage of proteins in seeds and so on.

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Q. The substance that triggers the fall of mature leaves and fruits from plants is

Question 20
The substance that triggers the fall of mature leaves and fruits from plants is

(a) auxin
(b) gibberellin
(c) abscisic acid
(d) cytokinin

Q. The plant hormone which triggers the fall of mature leaves and fruits from the plant body is _________.

Q. X is a plant hormone that promotes the fall of mature leaves and fruits from the plants, while Y is a hormone that regulates protein, carbohydrate, and fat metabolism in the human body. What are X and Y?

The phenomenon of falling of leaves and the fruits from the plant is known as abscission.

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The substance that triggers the fall of mature leaves and fruits from plant is due to

The correct option is B Abscisic acidAbscisic acid is the plant hormone, which is responsible for dormancy of seeds and inhibition of seeds. It stimulates the closure of stomata, inhibit shoot growth, stimulate the storage of proteins in seeds and so on.

The correct option is B Abscisic acid
Abscisic acid is the plant hormone, which is responsible for dormancy of seeds and inhibition of seeds. It stimulates the closure of stomata, inhibit shoot growth, stimulate the storage of proteins in seeds and so on.