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Abscisic acid is called stress hormone a...

Abscisic acid is called stress hormone as it

A

Induces flowering

B

Breaks seed dormancy

C

Promotes leaf fall

D

Promotes stomatal closure.

Text Solution

Verified by Experts

The correct Answer is:
D
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Why is Abscisic acid called stress hormone in plants?

ABA (Abscisic Acid) is called a stress hormone. A. How this hormone overcome stress conditions ? B. From where where does this hormone get released in leaves ?

Knowledge Check

  • Stress hormone is :

    A
    Oxytocin
    B
    Adrenaline
    C
    Vasopressin
    D
    Sex hormone

  • Abscisic acid causes

    A
    Stomatal closure
    B
    Stem elongation
    C
    Leaf expansion
    D
    Root elongation.

  • Abscisic acid causes

    A
    Seed dormancy
    B
    Apical dominance
    C
    Root initiation
    D
    Phototropism.

    • Similar Questions

    Explore conceptually related problems

    Assertion (A): Abscisic acid is a stress hormone. Reason (R): Stimulation of ABA occurs in adverse conditions.

    How does abscisic acid acts as stress hormone in drought condition ?

    Abscisic acid causes

    What is a stress hormone?

    Assertion : Abscisic acid (ABA) is also called stress hormone. Reason : ABA increases the tolerance of plants to various kinds of stresses.

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