Science

10th

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Digestion and Absorption

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20 questions

  • 1. Multiple Choice
    30 seconds
    1 pt

    Bile juice helps in the digestion of fat because it contains

    enzymes

    vitamins

    bile salts

    bile pigments

  • 2. Multiple Choice
    30 seconds
    1 pt

    The stomach wall produces mucus to cover its surface. Which of the following statements correctly describe(s) the function of the mucus?

    (1) It kills the bacteria in the ingested food.

    (2) It prevents the rubbing of food against the stomach wall.

    (3) It protects the stomach wall from the action of the digestive enzymes.

    (1) only

    (3) only

    (1) and (2) only

    (2) and (3) only

  • 3. Multiple Choice
    30 seconds
    1 pt

    In the alimentary canal, most water is absorbed in the

    oesophagus

    stomach

    small intestine

    colon

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