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How do plants respond even without a nervous system?

Answer and explanation

Correct answer: Through chemical substances and growth changes

Plants lack a nervous system, brain, and bones, so they cannot coordinate responses in the animal way. They respond mainly through chemical messengers such as plant hormones and by changing their growth. For example, auxin can cause a shoot to bend toward light. Therefore, option A is correct; the other choices describe structures or processes that plants do not use for nervous coordination.

Related tags

PlantsPlant-HormonesGrowth-ResponsePlant HormonesControl And CoordinationScienceClass 10 Mcq

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