What is the main purpose of studying reflex arc, tropism in plants, and hormonal control in the same chapter?
Answer and explanation
Correct answer: To understand how organisms detect stimuli and give suitable responses in different ways
The governing idea is coordination across organisms. Animals may use a reflex arc for a rapid response and hormones for slower chemical regulation, while plants respond through directional growth and chemical signals such as plant hormones. Option A therefore expresses the chapter’s unifying purpose. Memorising hormone names, proving plants are animals, or calculating blood sugar is too narrow and does not explain the common theme.
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What is the correct answer to this question?
To understand how organisms detect stimuli and give suitable responses in different ways
Why is this the correct answer?
The governing idea is coordination across organisms. Animals may use a reflex arc for a rapid response and hormones for slower chemical regulation, while plants respond through directional growth and chemical signals such as plant hormones. Option A therefore expresses the chapter’s unifying purpose. Memorising hormone names, proving plants are animals, or calculating blood sugar is too narrow and does not explain the common theme.
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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