The correct answer is option (1) as Phylum Chordata is divided into three subphyla: Urochrodata, Cephalochordata and Vertebrata. The members of subphylum Vertebrata possess notochord during the embryonic period. The notochord is replaced by a cartilaginous or bony vertebral column in the adult. Thus, all vertebrates are chordates but all chordates are not vertebrates.
Given below are two statements: One is labelled as Assertion A and the other is labelled as Reason R. Assertion A: Members of subphylum vertebrata…
NEET UG 2024 — Botany Animal Kingdom
2024mcqmedium
Given below are two statements: One is labelled as Assertion A and the other is labelled as Reason R. Assertion A: Members of subphylum vertebrata possess notochord during the embryonic period. The notochord is replaced by a cartilaginous or bony vertebral column in the adult. Reason R: Thus all chordates are vertebrates not all vertebrates are chordates. In the light of the above statements choose the correct answer from the option given below.
Official previous-year question
Held on 30 Apr 2024 · Verified 9 Jul 2026.
Options
- A
A is true but R is false.
- B
A is false but R is true
- C
Both A and R are true and R is the correct explanation of A.
- D
Both A and R are true but R is NOT the correct explanation of A.
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