Fisheries MCQ Questions and Answers Quiz

21. Which of the followings aortic arches form pulmonary artery in lung fishes?

  1. III
  2. IV
  3. V
  4. VI

22. The major osmoregulatory organ in fishes is:

  1. Gills
  2. Kidney
  3. Liver
  4. Stomach

23. Elasmobranchs remove sodium chloride through:

  1. Gills
  2. Kidney
  3. Liver
  4. Rectal glands

24. The fish remained buried in the mud and sand is:

  1. Ostracoderms
  2. Lamprey
  3. Hag Fishes
  4. Sharks

25. Large rostrum is found in:

  1. Paddle fishes
  2. Lamprey
  3. Sharks
  4. Chimeras

26. Placoid scales are present in:

  1. Salmons
  2. Lamprey
  3. Sharks
  4. Hag Fishes

27. Rat fishes are:

  1. Salmons
  2. Lamprey
  3. Sharks
  4. Chimeras

28. Which of the following fishes is viviparous?

  1. Salmons
  2. Lamprey
  3. Sharks
  4. Chimeras

29. During mating process in carps when male chase behind the female, this type of chasing is called

  1. Thypogyne
  2. Lingyne
  3. Lataerogyne
  4. Subgyne

30. Smooking is used as a technique of

  1. Fish preservation
  2. Mushroom cultivation
  3. Crystalisation of sugar
  4. Crop harvesting
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