Why are both nervous and endocrine systems necessary in animals?
Answer and explanation
Correct answer: For both immediate response and long-term control
Animals need nervous coordination for rapid, localized responses, such as withdrawing from a painful stimulus or adjusting movement. They need endocrine coordination for slower, longer-lasting regulation of growth, metabolism, puberty, and reproduction. These systems complement rather than replace one another, so option A is correct. The systems are not used for plant growth or colouring food, and they do not operate at the same speed: nerve impulses are generally faster than hormonal effects.
Frequently asked questions
What is the correct answer to this question?
For both immediate response and long-term control
Why is this the correct answer?
Animals need nervous coordination for rapid, localized responses, such as withdrawing from a painful stimulus or adjusting movement. They need endocrine coordination for slower, longer-lasting regulation of growth, metabolism, puberty, and reproduction. These systems complement rather than replace one another, so option A is correct. The systems are not used for plant growth or colouring food, and they do not operate at the same speed: nerve impulses are generally faster than hormonal effects.
Which subject and chapter does this question cover?
This is a Class 10 Science question. Chapter: Control and Coordination. Topic: Endocrine system.
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