Plant Growth And Development Ques 86

86. Cut or excised leaves remain green for long if induced to root or dipped in

(a) gibberellins

(b) cytokinins

(c) auxins

(d) ethylene

Show Answer

Answer : b

Hints & Solutions

(b) Cytokinins help cells in retaining chlorophyll for longer time. Cytokinins delay the senescence (ageing) of leaves and other organs.

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