SELECT * FROM question_mgmt as q WHERE id=331 AND status=1 SELECT id,question_no,question,chapter FROM question_mgmt as q WHERE courseId=2 AND subId=7 AND chapterId=18 and ex_no='1' AND status=1 ORDER BY CAST(question_no AS UNSIGNED) CBSE Free NCERT Solution of 11th biology Plant Growth and Development which one of the plant growth regulators would you

Question: 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) Induce rooting in a twig – Auxins

(b) Quickly ripen a fruit – Ethylene

(c) Delay leaf senescence – Cytokinins

(d) Induce growth in axillary buds – Cytokinins

(e) ‘Bolt’ a rosette plant – Gibberellic acid

(f) Induce immediate stomatal closure in leaves – Abscisic acid


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