According to negative feedback, what should happen to insulin secretion when blood sugar becomes normal?
Answer and explanation
Correct answer: Secretion should decrease
Negative feedback maintains a physiological variable near its normal level by reducing the original corrective response once the imbalance is corrected. Insulin lowers elevated blood glucose by promoting glucose uptake and storage. When blood sugar returns to the normal range, the stimulus for increased insulin release becomes smaller, so insulin secretion should decrease rather than continue rising. Thus option A is correct; the remaining choices contradict feedback regulation or confuse different organs and hormones.
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What is the correct answer to this question?
Secretion should decrease
Why is this the correct answer?
Negative feedback maintains a physiological variable near its normal level by reducing the original corrective response once the imbalance is corrected. Insulin lowers elevated blood glucose by promoting glucose uptake and storage. When blood sugar returns to the normal range, the stimulus for increased insulin release becomes smaller, so insulin secretion should decrease rather than continue rising. Thus option A is correct; the remaining choices contradict feedback regulation or confuse different organs and hormones.
Which subject and chapter does this question cover?
This is a Class 10 Science question. Chapter: World of Living. Topic: Control and Coordination.
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