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Fish Anatomy

Test your knowledge about the anatomy of fish.

15 Questions Published
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Questions

Question 1 Multiple Choice (Single Answer)

Which of the following is not a part of the fish's digestive system?

  1. Stomach
  2. Intestine
  3. Liver
  4. Gills
Question 2 Multiple Choice (Single Answer)

What is the function of the swim bladder in a fish?

  1. To control buoyancy
  2. To store oxygen
  3. To produce sound
  4. To help the fish swim faster
Question 3 Multiple Choice (Single Answer)

Which of the following is not a type of fish fin?

  1. Dorsal fin
  2. Pectoral fin
  3. Pelvic fin
  4. Anal fin
Question 4 Multiple Choice (Single Answer)

What is the largest organ in a fish?

  1. Liver
  2. Heart
  3. Stomach
  4. Gills
Question 5 Multiple Choice (Single Answer)

What is the function of the lateral line system in a fish?

  1. To detect movement in the water
  2. To sense changes in water pressure
  3. To help the fish maintain its balance
  4. To communicate with other fish
Question 6 Multiple Choice (Single Answer)

Which of the following is not a type of fish scale?

  1. Cycloid scales
  2. Ctenoid scales
  3. Ganoid scales
  4. Placoid scales
Question 7 Multiple Choice (Single Answer)

What is the function of the operculum in a fish?

  1. To protect the gills
  2. To help the fish breathe
  3. To control the flow of water over the gills
  4. All of the above
Question 8 Multiple Choice (Single Answer)

Which of the following is not a type of fish jaw?

  1. Hinge jaw
  2. Protrusible jaw
  3. Fixed jaw
  4. Edentulous jaw
Question 9 Multiple Choice (Single Answer)

What is the function of the spiracle in a fish?

  1. To allow water to flow over the gills
  2. To help the fish breathe when it is out of water
  3. To regulate the fish's buoyancy
  4. To communicate with other fish
Question 10 Multiple Choice (Single Answer)

Which of the following is not a type of fish tooth?

  1. Incisors
  2. Canines
  3. Molars
  4. Pharyngeal teeth
Question 11 Multiple Choice (Single Answer)

What is the function of the pyloric caeca in a fish?

  1. To secrete digestive enzymes
  2. To absorb nutrients from food
  3. To store food
  4. To help the fish regulate its body temperature
Question 12 Multiple Choice (Single Answer)

Which of the following is not a type of fish blood vessel?

  1. Artery
  2. Vein
  3. Capillary
  4. Gill arch
Question 13 Multiple Choice (Single Answer)

What is the function of the heart in a fish?

  1. To pump blood throughout the body
  2. To regulate the fish's body temperature
  3. To help the fish breathe
  4. All of the above
Question 14 Multiple Choice (Single Answer)

Which of the following is not a type of fish kidney?

  1. Pronephros
  2. Mesonephros
  3. Metanephros
  4. Agnathan kidney
Question 15 Multiple Choice (Single Answer)

What is the function of the swim bladder in a fish?

  1. To control buoyancy
  2. To store oxygen
  3. To produce sound
  4. To help the fish swim faster
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