Quiz  /  Digestion and Absorption Class 10 MCQ Questions With Answers

  • 1. 
    Protein digestion takes place

  • in the mouth
  • in the stomach
  • in the stomach and duodenum
  • all of the above

  • 2. 
    Bile juice helps in the digestion of fat because it contains

  • enzymes
  • vitamins
  • bile salts
  • bile pigments

  • 3. 
    The correct sequence of the steps involved in the process of Human Digestive System

  • Digestion, Ingestion, Assimilation, Egestion and Absorption
  • Ingestion, Digestion, Absorption, Assimilation and Egestion
  • Egestion, Absorption, Digestion, Assimilation and Ingestion
  • Ingestion, Absorption, Digestion, Assimilation and Egestion

  • 4. 
    Hydrochloric acid is secreted in the _______________ .

  • oesophagus
  • stomach
  • large intestine
  • small intestine

  • 5. 
    Which of the following is the correct order for the major parts of the gastrointestinal tract?

  • oesophagus, stomach, large intestine, small intestine, mouth
  • mouth, stomach, oesophagus, large intestine, small intestine
  • mouth, small intestine, stomach, oesophagus, large intestine
  • mouth, oesophagus, stomach, small intestine, large intestine

  • 6. 
    This is the enzyme that works on protein.

  • pepsin
  • HCl
  • Bicarbonate
  • Lactase

  • 7. 
    In which order do these events occur in human nutrition? *2014 Q25

  • digestion-ingestion-absorption-assimilation
  • digestion-ingestion-assimilation-absorption
  • ingestion-digestion-absorption-assimilation
  • ingestion-digestion-assimilation-absorption

  • 8. 
    Digestion in animals begins in the ______.

  • intestines
  • mouth
  • stomach
  • throat

  • 9. 
    Which of the following organs produces digestive juice that does not contain enzymes?

  • liver
  • mouth
  • stomach
  • pancreas

  • 10. 
    Which structure(s) will produce the enzyme(s) needed for the digestion of egg white?

  • X only
  • X and Y only
  • Y and Z only
  • X, Y and Z

  • 11. 
    Bile is a digestive juice in our body. Which of the following statements about bile is correct?

  • It is produced by the gall bladder.
  • It contains an enzyme that digests fat.
  • It helps break down fat into droplets.
  • It stimulates peristaltic movement of the small intestine.

  • 12. 
    Chemical digestion of carbohydrate occurs in

  • 1 and 2 only
  • 1 and 4 only
  • 2 and 3 only
  • 3 and 4 only

  • 13. 
    Predict the next digestive system organ in the following sequence: mouth, pharynx, esophagus, stomach, ______

  • liver
  • kidneys
  • small intestines
  • large intestines

  • 14. 
    Name the glands associated with the Human Digestive System?

  • Only salivary glands and pancreas
  • Only salivary glands and liver
  • Only liver and pancreas
  • Salivary Glands, Liver and Pancreas

  • 15. 
    Peristalsis occurs in

  • 1, 2 and 3 only
  • 1, 2 and 4 only
  • 1, 3 and 4 only
  • 2, 3 and 4 only

  • 16. 
    Amylase is secreted by

  • salivary glands only
  • pancreatic glands only
  • Salivary and pancreatic glands
  • liver and small intestine

  • 17. 
    Enzymes and acidic juices in the stomach, which break proteins down into smaller molecules, is known as

  • circulation
  • chemical digestion
  • excretion
  • mechanical digestion

  • 18. 
    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

  • 19. 
    In the alimentary canal, bacteria in food are mainly killed by

  • saliva
  • mucus
  • gastric juice
  • pancreatic juice

  • 20. 
    Waves of contractions that move food one way through the digestive system are called

  • Impulse
  • Peristalsis
  • Action Potential
  • Metabolism

  • 21. 
    Physical digestion takes place at

  • 1 and 3
  • 1 and 4
  • 3 and 4
  • 1, 3 and 4

  • 22. 
    Bile is produced by ____, stored in ____, released by _____

  • liver; duodenum; bile duct
  • liver; gall bladder; bile duct
  • gall bladder; liver; bile duct
  • gall bladder; duodenum; bile duct

  • 23. 
    In the alimentary canal, most water is absorbed in the

  • oesophagus
  • stomach
  • small intestine
  • colon

  • 24. 
    Which organ is part of the digestive system?

  • blood
  • brain
  • pancreas
  • spleen

  • 25. 
    What is the organ where water is absorbed from the digested food and returned to the bloodstream?

  • mouth
  • small intestine
  • esophagus
  • large intestine
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