Multiple choice

Which of the following is a characteristic of bony fishes?

  1. Bony fishes contain 5 - 7 pairs of gill slits.

  2. Their mouth is ventral in position.

  3. They have a bony endoskeleton.

  4. Fishes are covered with Placoid scales.

  5. An operculum is absent in them.
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

This is the correct option as bony fishes do have a bony endoskeleton.

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