MCQ
Palcoid scales are present in:
  • A
    Anabas.
  • Scoliodon.
  • C
    Lizard.
  • D
    Crorodile.

Answer

Correct option: B.
Scoliodon.
It is marine animal with streamlined body and have cartilaginous endoskeleton. The skin is tough, containing minute placoid scales.

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