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ICSE Class 6 Biology Question 14 of 16

Digestive System — Question 6

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Question 6

Given alongside is the diagram of the human alimentary canal.

Given alongside is the diagram of the human alimentary canal. Name the parts 1-11 indicated by guidelines. State the function of the juice secreted by part 1. State the function of the three enzymes found in the juice secreted by part 3. Digestive System, Concise Biology Solutions ICSE Class 6.

(i) Name the parts 1-11 indicated by guidelines.

(ii) State the function of the juice secreted by part 1.

(iii) State the function of the three enzymes found in the juice secreted by part 3.

Answer

(i) The parts are

  1. Stomach
  2. Bile duct
  3. Pancreas
  4. Large intestine
  5. Small intestine
  6. Rectum
  7. Appendix
  8. Duodenum
  9. Gall bladder
  10. Liver
  11. Anus

(ii) The juice secreted by part (1) is the Gastric juice.Gastric juice being acidic in nature kills the germs and activates pepsin.

(iii) The function of the three enzymes found in the gastric juice are

  1. Amylase enzyme digest starch into maltose.
  2. Trypsin enzyme digest proteins into peptides.
  3. Lipase enzyme digest emulsified fats into fatty acids anf glycerols.