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NEETBotanyAnimal Kingdom

Read the following statements and choose the follwoing option: 1. Osteichthyes have two pairs of gills 2. Clarius have a two chambered heart. 3. Osteichthyes have four pairs of gills which are covered by an operculum on each side. 4. Skin is covered with cycloid/ctenoid scales. 5. Air bladder is present which regulates buoyancy.

Options

  1. ABoth 1 and 5 are incorrect
  2. BOnly 3 is correct
  3. COnly 1 is incorrect
  4. DBoth 1 and 2 is correct

Correct answer

C. Only 1 is incorrect

Step-by-step solution

Class Osteichthyes have four pairs of gills which are covered by an operculum on each side. Skin is covered with cycloid/ctenoid scales.Clarius is an example of class osteichthyes and possess a two chambered heart.

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