MCQ
Cranium of man is made up of
- ✓$8$ bones
- B$12$ bones
- C$10$ bones
- D$16$ bones
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Assertion $(A)$:All vertebrates are chordates but all chordates are not vertebrates.
Reason $(R)$:Notochord is replaced by vertebral column in the adult vertebrates.
In the light of the above statements, choose the most appropriate answer from the options given below: