Which of the following pair of hormones are required for a callus to differentiate?

Auxin and cytokinin

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Auxin and ethylene

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Auxin and abscisic acid

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Cytokinin and gibberellin

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Solution

The correct option is A Auxin and cytokinin
Callus is an unorganised mass of cells. These cells are formed from dedifferentiation. Callus undergoes redifferentiation to form specialised cells of plants.

Plant growth regulators, such as auxins and cytokinins are supplemented into the medium to initiate callus formation or somatic embryogenesis.

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Similar questions

Hormones	Function
1.Ethylene	i. Helps in cell division.
2.Gibberellin	ii. Induces dormancy in buds and seeds
3.Cytokinin	iii. Helps in the ripening of fruit
4.Abscisic acid	iv. Causes bolting in plants

For producing a callus from plant cells, which of the following are required?

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