A) ethylene
B) gibberellin
C) cytokinin
D) abscisic acid
Correct Answer: C
Solution :
Cytokinin is also known as cell division hormone as it brings about the process of cell division in plants. The ratio of cytokinin to auxin control the process of cell differentation. A higher cytokinin to auxin ratio brings about the shoot formation while a higher auxin to cytokinin ratio brings about root development. When both of these are present in relatively equal quantities although the cells divide but fail to differentiate.
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