NEET 2003 Biology question

Differentiation of shoot is controlled by : -

(1)High auxin : cytokinin ratio
(2)High cytokinin : auxin ratioCorrect
(3)High gibberellin : auxin ratio
(4)High gibberellin : cytokinin ratio

Answer: (2)

Solution

In plant tissue culture (Skoog and Miller) the ratio of cytokinin to auxin controls morphogenesis: a high cytokinin : auxin ratio induces shoot formation (differentiation of shoot buds),

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Question ID VK-089298