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Class Chondrichthyes

Which among t...

Question

Which among the following is absent in sharks?

A

Gill cover

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B

Gill slits

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C

Scales

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D

Pelvic fins

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Solution

The correct option is A Gill cover
Sharks do not have operculum or gill cover. The gills are naked. They have 5-7 pairs of gill slits. Sharks have minute placoid scales embedded in the skin and have fins for locomotion.

Shark

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Class Chondrichthyes

Standard XIII Biology

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