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Assertion.Annelids, mollusks and arthrop...

Assertion.Annelids, mollusks and arthropods are protostomous coelomates.
Reason. All these animals have tube-within-tube body plan.

A

If both A and B are true and R is the correct explanation of A

B

If both A and R are true but R is not the correct explanation of A

C

If A is true but R is false

D

If both A and R are false

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The correct Answer is:
B
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