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प्रश्न
The hormone which accelerates senescence (ageing) and abscission of leaves is ______.
विकल्प
IAA
GA3
ABA
GA1
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उत्तर
The hormone which accelerates senescence (ageing) and abscission of leaves is ABA.
Explanation:
The hormone Abscisic Acid (ABA) is responsible for the abscission of foliage and the acceleration of senescence (ageing). It is an inhibitor of growth.
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संबंधित प्रश्न
Which plant hormone is responsible for the wilting and falling of leaves?
Name the plant hormone which is responsible for the following effect:
Closing of stomata
______ causes cell elongation, apical dominance and prevents abscission.
Bring out any two physiological activities of abscisic acid?
______ is growth inhibitor.
The main function of abscisic acid in plants is to
Give a reason – ABA is also known as an antitranspirant.
A growth inhibiting hormone in plants:
______ is also called as "stress hormone''.
Define the following term:
Abscission
