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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.
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
Most of the plant hormones promote plant growth. A plant hormone which inhibits growth is ______.
______ causes cell elongation, apical dominance and prevents abscission.
Which hormone is known as a stress hormone in plants? Why?
Abscisic acid is the common name given to two identical substances isolated separately. Name them.
Give the chemical features of abscisic acid.
Bud dormancy is induced by ______.
Given below function performed by plant hormone. Which hormone is responsible for the given action?
Shedding of leaves
Name the plant hormone which is responsible for the following effect:
Falling of leaves
