Multiple choice

Which of the following is not a characteristic feature of Rohu, a bony fish?

  1. Bony skeleton

  2. Terminal mouth

  3. Seven pairs of gills

  4. Fins with bony rays

  5. Gill slits covered by an operculum
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Four pairs of gills are present in bony fishes.

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