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Question

In fishes, gills are the respiratory organs and they are projections of which of the following parts?

A
Nostril
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B
Alimentary canal
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C
Skin
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D
None of the above
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Solution

The correct option is C Skin
  • A majority of aquatic animals like fish and prawns breathe through special organs called gills.
  • Gills are projections of the skin that help in using oxygen dissolved in water.
  • Gills contain blood vessels which help in exchange of gases. Hence, In fishes gills are the respiratory organs and they are projections of skin.
So, the correct answer is 'skin'.

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