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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.
संबंधित प्रश्न
Which plant hormone is responsible for the wilting and falling of leaves?
Most of the plant hormones promote plant growth. A plant hormone which inhibits growth is ______.
Abscisic acid is a ____________ chemically.
Which phytohormone can be categorised as stress hormone?
Which of the following is not associated with growth of plants?
The substance that triggers the fall of mature leaves and fruits from plants is due to
Abscisic acid is the common name given to two identical substances isolated separately. Name them.
Given below function performed by plant hormone. Which hormone is responsible for the given action?
Shedding of leaves
Describe abscissic acid physiological effects.
______ is also called as "stress hormone''.
