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Question

Assertion :Closed circulatory system is less efficient than open circulatory system. Reason: The blood flow is slow in closed circulatory system than in open circulatory system.

A
Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
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B
Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
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C
Assertion is correct but Reason is incorrect
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D
Both Assertion and Reason are incorrect
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Solution

The correct option is D Both Assertion and Reason are incorrect
The closed circulatory system is more efficient as the blood flow can be regulated and the blood flow is quite rapid in the closed circulatory system.
The open circulatory system is less efficient as the blood flow cannot be regulated and the blood flow is slow in an open circulatory system.
So, the correct answer is 'Assertion and reason are incorrect'.


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