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प्रश्न
The hormone which accelerates senescence (ageing) and abscission of leaves is ______.
पर्याय
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
How abscisic acid helps plants to overcome stress?
Which phytohormone can be categorised as stress hormone?
Increase in abscisic acid (ABA) concentration causes ____________ in plants.
The substance that triggers the fall of mature leaves and fruits from plants is due to
______ hormone is responsible for the efflux of K+ ions from guard cells and acts as an antitranspirant.
Give a reason – ABA is also known as an antitranspirant.
Given below function performed by plant hormone. Which hormone is responsible for the given action?
Shedding of leaves
Identify the growth hormone in plants which causes inhibitory effect.
