Which one of the plant growth regulators would you use if you are asked to: (a) Induce rooting in a twig (b) Quickly ripen a fruit (c) Delay leaf senescence (d) Induce growth in axillary buds (e) ‘Bolt’ a rosette plant (f) Induce immediate stomatal closure in leaves. | NCERT solution | Class 11 Biology | Unit-15 Plant Growth and Development



Q.9:- Which one of the plant growth regulators would you use if you are asked to:
(a) Induce rooting in a twig
(b) Quickly ripen a fruit
(c) Delay leaf senescence
(d) Induce growth in axillary buds
(e) ‘Bolt’ a rosette plant
(f) Induce immediate stomatal closure in leaves.

 

Answer:-



(a) Auxins
(b) Ethylene
(c) Cytokinin
(d) Cytokinin
(e) Gibberellins
(f) Abscisic Acid