Practice test

Digestive system - Test Set 1

Review 20 exam-focused questions with detailed explanations, then start the interactive test when you are ready.

20 questions

Questions and explanations

  1. Question 1

    The number of amino acids occurring in nature is
    1. 10
    2. 20
    3. 30
    4. 40
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  2. Question 2

    The gastric glands in the stomach produce an enzyme
    1. Insulin
    2. Ptyalin
    3. Pepsin
    4. Trypsin
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  3. Question 3

    Which one of the following is a rich source of amylase?
    1. Brain
    2. Blood
    3. Thyroid
    4. Pancreas
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  4. Question 4

    Fermentation ability of Yeast is due to
    1. Amylase
    2. Zymase
    3. Invertase
    4. Galactase
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  5. Question 5

    Dehydration in human body is caused due to the deficiency of
    1. Vitamin
    2. Salt
    3. Hormone
    4. Water
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  6. Question 6

    Sea sickness is due to the effect of the motion of ship, on
    1. Internal ear
    2. Heart
    3. Stomach
    4. Eyes
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  7. Question 7

    The end product of the digestion of starch in the alimentary canal is
    1. Glucose
    2. Galactose
    3. Maltose
    4. Isomaltose
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  8. Question 8

    Which of the following does not provide any energy?
    1. Fats
    2. Proteins
    3. Vitamins
    4. Carbohydrates
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  9. Question 9

    Which enzyme converts proteins?
    1. Pepsin
    2. Trypsin
    3. Erepsin
    4. Enterokinase
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  10. Question 10

    Metabolism is referred to as
    1. Synthesis of biomolecules
    2. Breaking-down of biomolecules
    3. Synthesis and breaking down of biomolecules
    4. Recycling of biomolecules
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  11. Question 11

    In digestion, proteins are converted into
    1. Fatty acids
    2. Glucose
    3. Amino acids
    4. Maltose
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  12. Question 12

    Which carbohydrate is used in silvering of mirrors?
    1. Fructose
    2. Sucrose
    3. Glucose
    4. Starch
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  13. Question 13

    The source of the enzyme, diastase is
    1. Salivary gland
    2. Stomach
    3. Liver
    4. Pancreas
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  14. Question 14

    Liver is a rich source of:
    1. Sugars
    2. Fat soluble vitamins
    3. Minerals
    4. Proteins
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  15. Question 15

    Emulsification is
    1. Breaking fats into small globules
    2. Digestion of fats
    3. Absorption of fats
    4. Storage of fats
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  16. Question 16

    Proteins are digested by
    1. Proteases
    2. Amylases
    3. Lipases
    4. Nucleases
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  17. Question 17

    Endoscope is an instrument used to detect the ulcers in the stomach has long narrow tube (with a small glowing bulb at one end) which is inserted in to the stomach through the mouth contains.
    1. Small current carrying wire
    2. A narrow tube containing water
    3. Optical fibre
    4. A narrow tube containing some chemical solution
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  18. Question 18

    What are the folds found in the mucous lining of the empty stomach?
    1. Typhlosole
    2. Areolae
    3. Rugae
    4. Villi
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  19. Question 19

    Which of the digestive organs contains acid?
    1. Stomach
    2. Small intestine
    3. Appendix
    4. Colon
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  20. Question 20

    Which enzyme digestes proteins in the stomach?
    1. Trypsin
    2. Pepsin
    3. Salivary amylase
    4. Pancreatic canal
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