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Open and Closed Circulatory System

Assertion :Op...

Question

Assertion :Open circulatory system is found in most arthropods. Reason: Arthropods contain haemolymph which directly bathes internal tissues and organ.

A

If both the assertion and the reason are true and the reason is a correct explanation of the assertion

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B

If both the assertion and reason are true but the reason is not a correct explanation of the assertion

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C

If the assertion is true but the reason is false

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D

If both the assertion and reason are false

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Solution

The correct option is A If both the assertion and the reason are true and the reason is a correct explanation of the assertion
Open circulatory system is when the blood is in direct contact with the tissues and do not flow through arteries and veins. But instead of the blood, haemolymph is present. Haemolymph is a plasma like liquid that is present in arthropods in an open circulation system. The reason explains the assertion. Option A is the correct answer.

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