A) ABA
B) gibberellins
C) cytokinins
D) ethylene
Correct Answer: C
Solution :
Cytokinin hormone promote cell division or cytokinesis in plants along with auxins. Term cytokinin was introduced by Letham (1963) Skoog and Miller found its role in inducing morphogenesis in plant tissue culture. The process of morphogenesis in tissue culture a regulated by ratio of auxin. Cytokinin : high auxin: cytokinin ratio promote root formation while low auxin. Cytokinin promotes/stimulate development of shoots.
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