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Assertion: During the course of evolutio...

Assertion: During the course of evolution, alimentray canal is first completed in aschelminthes, circulatory system in annelids, and respiratory system in arthropods.
Reason: In echinoderms, degestive system is complete with mouth on upper side and anus on the lower side.

A

IF both assertion and reason are true and the reason is the correct explanation of the assertion.

B

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

C

If assertion is true but reason is false.

D

If both assertion and reason are false.

Text Solution

Verified by Experts

The correct Answer is:
C
* During the course of evolution, alimentary canal is first completed iin aschelminthes, circulatory system in annelids, and respiratory system in arthropods.
* In echinoderms, digestive system is complete with mouth on lower side and aus on the upper side.
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