Nutritive Value and Structure of Fish
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Questions and Answers

What is the primary reason fish oils are regarded as a health food?

  • They are low in vitamins and minerals
  • They are a poor source of essential amino acids
  • They are high in saturated fats
  • They contain significant quantities of omega-3 Polyunsaturated fatty acids (PUFA) (correct)

    • Which mineral is found in high levels in shell fishes like oyster and mussel?

  • Iron (correct)
  • Potassium
  • Magnesium
  • Calcium

    • What is the purpose of dark muscle in fish?

  • It is used for fast movement for escaping or catching prey
  • It contains lesser amounts of myotomes
  • It functions for cruising muscle, slow motion (correct)
  • It is primarily used for buoyancy control

    • What percentage of fish muscle is typically white in many fishes?

    <p>90%</p> Signup and view all the answers

    What is the range of fish proteins, with amino acids as building blocks, found in most fish?

    <p>16-22%</p> Signup and view all the answers

    What percentage of a fish's muscle is typically white when cooked?

    <p>60%</p> Signup and view all the answers

    Which mineral is found in high levels in shell fishes like oyster and mussel?

    <p>Iron</p> Signup and view all the answers

    What is the range of fish proteins, with amino acids as building blocks, found in most fish?

    <p>16-22%</p> Signup and view all the answers

    What is the primary reason fish oils are regarded as a health food?

    <p>High omega-3 Polyunsaturated fatty acids (PUFA) content</p> Signup and view all the answers

    What is the purpose of dark muscle in fish?

    <p>Cruising muscle for slow motion</p> Signup and view all the answers

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