Single Choice

Induction of cell division activity and delay in senescence is caused by ______________.

Agibberellin
Bauxin
Ccytokinin
Correct Answer
Dethylene.

Solution

The most important function of cytokinins is the promotion of cell division. The varying amounts of cytokinins, along with sufficient auxins is required for the growth of callus in tissue culture experiments. Cytokinins delay the senescence of leaves and other organs by mobilisation of nutrients. It is known as Richmond-Lang effect.

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