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How many statements are correct about this organism? A- They have two pairs of gills which are covered by an operculum on each side. B- Sexes are separate C- Fertilisation is usually internal. D- They are mostly oviparous and development is direct. E-Betta is also called angelfish.

Options

  1. A2
  2. B3
  3. C4
  4. D5

Correct answer

B. 3

Step-by-step solution

B,D and E are correct They have four pairs of gills which are covered by an operculum on each side. Fertilization is usually external. They are mostly oviparous and development is direct.

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