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If in an experiment the stem does not bend towards light but the plant is alive, which process is more likely disturbed?

Answer and explanation

Correct answer: Unequal growth related to phototropism

The governing concept is phototropism, the directional growth response to light. In a normal shoot, auxin redistribution causes cells on the shaded side to elongate more, so the stem curves toward the light. If the plant remains alive but this bending fails, unequal growth or its hormonal control is likely disturbed. Therefore option A is correct; the other choices describe animal processes.

Related tags

PhototropismAuxinPlant ExperimentPlant HormonesControl And CoordinationScienceClass 10 Mcq

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