Given below are two statements: One is labelled as Assertion A and the other is labelled as Reason R. Assertion A: Members of the subphylum Vertebrata possess a notochord during the embryonic period, which is replaced by a cartilaginous or bony vertebral column in the adult. Reason R: Thus, all vertebrates are chordates but all chordates are not vertebrates. In the light of the above statements, choose the correct answer from the options given below:

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Biology · Animal Kingdom

Verified Solution4 OptionsUpdated: October 2026👁️1 View

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Correct answer

A is true but R is false.

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Answer 1

A is true but R is false.

Answer 2

A is false but R is true.

Answer 3

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

Answer 4

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

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