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The substance that triggers the fall of ...

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

A

auxin

B

gibberellin

C

abscisic acid

D

cytokinin

Text Solution

Verified by Experts

The correct Answer is:
C
Abscisic acid forms a layer of abscission that is responsible for the fall of leaves and fruits from the plants
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OSWAL PUBLICATION-NEW CHAPTERS AND QUESTIONS BASED ON LATEST TYPOLOGIES INTRODUCED BY CBSE FOR 2021-22 EXAMINATION -CONTROL AND COORDINATION (NCERT EXEMPLAR) (Multiple Choice Questions)
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  4. The growth of tendril in pea plants is due to

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  5. The growth of pollen tubes towards ovules is due to

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  10. Which of the following is not an involuntary action?

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  11. When a person is suffering from severe cold, he or she cannot

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  12. Which is the correct direction of flow of electrical impulses?

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