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प्रश्न
What substances are contained in pancreatic juice? What are their functions?
उत्तर
Pancreatic juice contains digestive enzymes such as amylase, trypsin and lipase.
Following are the functions of these substances:
(a) Amylase breaks down the starch.
(b) Trypsin digests the proteins.
(c) Lipase breaks down the emulsified fats.
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संबंधित प्रश्न
How is the small intestine designed to absorb digested food?
Name the main organs of the human digestive system. Also name the associated glands.
In human digestive system, the enzymes pepsin and trypsin are secreted respectively by:
(a) pancreas and liver
(b) stomach and salivary glands
(c) pancreas and gall bladder
(d) stomach and pancreas
Write the function of the following in the human alimentary canal:
Saliva
Define the term ‘digestion’.
State the four ways in which saliva is useful to us.
Differentiate between
Digestion and Absorption
Mark odd one in the series:
How do we know that we are hungry and that we should now eat?
Solve the crossword given in Figure 2.3.
| Across | Down | ||
| 1 | Cream-coloured digestive gland | 2 | Feeds with the help of pseudopodia |
| 3 | Undigested excretory solid residues | 6 | Total number of molars in one jaw of an adult |
| 4 | Organ that mixes saliva with the food | 8 | Largest gland |
| 5 | Point of defecation | 9 | Watery secretion in the mouth |
| 7 | Stored in gall bladder | 11 | A ruminant |
| 10 | Finger-like outgrowth in the small intestine | 12 | Form of food chewed by ruminants |
| 13 | Kind of taste buds | ||
| 14 | Kills bacteria in the stomach | ||
