Which one of the following growth regulators is known as ' stress hormone'?

  • Option 1)

    Abscissic acid

  • Option 2)

    Ethyelene

  • Option 3)

    GA3

  • Option 4)

    Indole acetic acid

 

Answers (1)

 

Abscisic Acid (ABA) -

Mevalonic acid or xanthophyll is its precursor. Bioassay of ABA are rice seedling growth inhibition test and inhibition of α-analysis synthesis in barley endosperm test.

- wherein

Known as Stress hormone.

 

 ABA is also known as stress hormone


Option 1)

Abscissic acid

This is correct option

Option 2)

Ethyelene

This is incorrect option

Option 3)

GA3

This is incorrect option

Option 4)

Indole acetic acid

This is incorrect option

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