Advertisements
Advertisements
प्रश्न
The hormone which accelerates senescence (ageing) and abscission of leaves is ______.
विकल्प
IAA
GA3
ABA
GA1
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?
The main function of the plant hormone called abscisic acid is to ______.
Which among the following is NOT a physiological role of abscisic acid?
Which physiological activity is NOT influenced by abscisic acid?
______ is growth inhibitor.
The main function of abscisic acid in plants is ____________.
The substance that triggers the fall of mature leaves and fruits from plants is due to
Identify the growth hormone in plants which causes inhibitory effect.
A growth inhibiting hormone in plants:
______ and ______ induce chemotropism of angiosperms and gymnosperms.
