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Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R :
Assertion A : Blood vascular system of cockroach is an open type.
Reason R : Visceral organs located in the haemocoel are bathed in blood as blood vessels are absent in cockroach.
In the light of the above statements, choose the most appropriate answer from the options given below :

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Both A and R are correct and R is the correct explanation of A

Both A and R are correct but R is NOT the correct explanation of A

A is correct but R is not correct

A is not correct but R is correct

answer is D.

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Detailed Solution

A is correct but R is not correct.

Blood vascular system of cockroach is an open type.

Visceral organs located in the haemocoel are bathed in blood. Blood vessels are poorly developed (not entirely absent) and open into space (haemocoel).

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