Why can the effect of abscisic acid be useful for a plant during drought?
Answer and explanation
Correct answer: It can slow growth and help conserve water
The governing concept is plant response to water stress. During drought, abscisic acid helps the plant conserve water, especially by promoting stomatal closure, and it can reduce growth so limited water is directed to survival. Thus option A gives the best answer. Plants do not make blood, spinal cords, or insulin, so options B, C, and D are biologically unsuitable.
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What is the correct answer to this question?
It can slow growth and help conserve water
Why is this the correct answer?
The governing concept is plant response to water stress. During drought, abscisic acid helps the plant conserve water, especially by promoting stomatal closure, and it can reduce growth so limited water is directed to survival. Thus option A gives the best answer. Plants do not make blood, spinal cords, or insulin, so options B, C, and D are biologically unsuitable.
Which subject and chapter does this question cover?
This is a Class 10 Science question. Chapter: Control and Coordination. Topic: Plant hormones.
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