Question

Read the following passage carefully and answer the questions that follow it. [5 marks]

Bile juice is stored in a sac called, gallbladder, located near its organ of secretion, the liver. The gallbladder releases the bile juice into the small intestine whenever food reaches there. Though bile juice is devoid of any digestive enzymes, it is required for the digestion of fats. The fats cannot be digested easily because they are insoluble in water and are present as large globules. Bile juice breaks down big fat droplets into smaller droplets. These are then easily digested by the enzymes released from the pancreas.

(a) Which organ secretes the bile juice?
(b) Why is digestion of fats difficult as compared to that of other nutrients?
(c) How does bile juice help in the digestion of fat?
(d) Where is the digestion of fat completed?
(e) Does bile juice digest fat completely?

Answer 1

(a) Bile juice is secreted by the liver. (1 mark)
(b) Digestion of fats is difficult as compared to that of other nutrients because of its insolubility in water. (1 mark)
(c) Bile juice helps in the digestion of fat by breaking down the large fat droplets into smaller droplets. (1 mark)
(d) Digestion of fat is completed in the small intestine. (1 mark)
(e) No, bile juice doesn’t digest fat completely. (1 mark)