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In plants, what mainly works instead of a nervous system for control and coordination?

Answer and explanation

Correct answer: Chemical substances and changes in growth

The governing concept is coordination without a specialized nervous system. Plants use chemical messengers such as hormones, together with changes in cell growth, water balance, and turgor, to coordinate responses. Tropisms are common examples in which unequal growth changes direction. Thus option A is correct. Plants do not possess a brain, spinal cord, heart, or animal sensory organs as their central control system.

Related tags

Plant CoordinationChemical ControlTropismControl And CoordinationWorld Of LivingScienceClass 10 Mcq

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