The diagram below shows the body plan of a:

1. Cephalochordate
2. Cyclostome
3. Cartilaginous fish
4. Bony fish
Subtopic:  Comparative study of Cartilagenous & Bony Fishes | Class Chondrichthyes |
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From NCERT
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Assertion (A): Claspers are present in males of the class Chondrichthyes.
Reason (R): Claspers assist copulation.
 
1. Both (A) and (R) are True and (R) is the correct explanation of (A).
2. Both (A) and (R) are True but (R) is not the correct explanation of (A).
3. (A) is True but (R) is False.
4. Both (A) and (R) are False.
Subtopic:  Comparative study of Cartilagenous & Bony Fishes | Class Chondrichthyes |
From NCERT
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NEET 2026 - Target Batch - Vital
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NEET 2026 - Target Batch - Vital