NEET 2010 Biology question

Root development is promoted by

(1)Ethylene
(2)Abscisic acid
(3)AuxinCorrect
(4)Gibberellin

Answer: (3)

Solution

Auxins (IAA, IBA, NAA) promote initiation of adventitious roots and are widely used in rooting hormone powders for cuttings, so root development is promoted by auxin. Ethylene

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Question ID VK-090432