MCQ
Carbonic anhydrase occurs in:
- ALymphocytes.
- BBlood plasma.
- CRBC.
- DLeucocytes.
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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: