Zoology-Non-Chordates

NEET Zoology Non-Chordates Assertion Reason Question

Type: Assertion Reason-assertion-Hard-Class 11

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.

A

Both A and R are true and R is the correct explanation of A.

B

Both A and R are true but R is not the correct explanation of A.

C

A is true but R is false.

D

A is false.

Correct Answer

Option B

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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