Teeth in chondrichthyes are modified - Vidyadip

MCQ

Teeth in chondrichthyes are modified

✓
Placoid scales
B
Cycloid scales
C
Ctenoid scales
D
Rhomboid scales

✓

Answer

Correct option: A.

Placoid scales

a
Chondrichthyes are cartilaginous fishes.
In chondrichthyes, teeth are modified placoid scales which are backwardly directed.

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