AIIMS 2017 Biology Question Paper for free online practice with solutions

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Question : 37 of 60

Marks: +1, -0

Assertion : Ambulacral system plays a major role in locomotion of echinoderm.
Reason : Hydraulic pressure of fluid and contraction of muscle of tube feet make possible movement of echinoderm.

Assertion is correct, reason is correct; reason is a correct explanation for assertion.
Assertion is correct, reason is correct; reason is not a correct explanation for assertion
Assertion is correct, reason is incorrect
Assertion is incorrect, reason is correct

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