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Byju's Answer
Standard IX
Biology
Pisces
Which type of...
Question

Which type of scales are present in Chondrichthyes fishes?

A
Cycloid.
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B
Ctenoid.
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C
Ganoid.
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D
Placoid.
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Solution

The correct option is D Placoid.
They are found in sharks and Rays, they are homologous with vertebrate teeth, do not increase in size.

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