Differentiation of ***** is controlled by
(a) high gibberellin : cytokinin ratio
(b) high auxin : cytokinin ratio
(c) high cytokinin : auxin ratio
(d) high gibberellin : auxin ratio
Correct option: (c) high cytokinin : auxin ratio
Explanation:
Differentiation of root is controlled by high auxin concentration. While in tissue culture auxin concentration is made high to promote rooting.
