A) auxin
B) cytokinin
C) gibberellin
D) ethylene
Correct Answer: A
Solution :
Tissue culture is the technique of maintaining and growing cells, tissue, etc. and the differentiation on artificial medium under aseptic condition. Callus is a irregular, unorganised and undifferentiated mass of actively dividing cell. Differentiation of callus is under control of two hormones, .i.e., auxin and cytokinin.Development of | Condition |
Root | \[\frac{Auxin}{Cytokinin}=\,High\] |
Shoot | \[\frac{Auxin}{Cytokinin}=\,Low\] |
Both root and shoot | \[\frac{Auxin}{Cytokinin}=\,Intermediate\] |
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