Which of the following effects of auxins on plants is the basis for its commercial application?

Callus formation

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Curvature of stem

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Induction of root formation in stem cuttings

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All the above

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Solution

The correct option is C
Induction of root formation in stem cuttings

Auxin induces development of roots on cut ends of stems. Many plants are propagated by stem cutting, e.g., Rose, Bougainvillea. This effect of auxin is used by horticulturist for commercial purposes.

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