NEET Biology question

Biology Plant Growth and Development NEET

Use of stem cutting is a common method of vegetative propagation. Juvenile wood grows roots more readily than mature wood. The superior rooting of juvenile cuttings may be due to:

(A)Lower ABA contents
(B)Higher endogenous auxin contentsCorrect
(C)Higher endogenous gibberellins contents
(D)They being still in the vegetative stage

Answer: (B)

Solution

Auxin promotes the initiation of adventitious roots, and juvenile shoot tissue generally contains higher levels of endogenous auxin

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Question ID VK-129155