NEET Zoology Non-Chordates Assertion Reason Question
Assertion (A): Urochordata and Cephalochordata are exclusively marine organisms.
Reason (R): In Cephalochordata, the notochord extends from head to tail and is persistent throughout life.
Both A and R are true and R is the correct explanation of A.
Both A and R are true but R is not the correct explanation of A.
A is true but R is false.
A is false.
Correct Answer
Detailed Explanation
Both Urochordata and Cephalochordata being exclusively marine is a fact from the NCERT context, but the reason given is about the notochord characteristic in Cephalochordata, not explaining why both are marine.
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