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प्रश्न
The process of digestion of food in humans begins in:
(a) stomach
(b) food pipe
(c) mouth
(d) small intestine
उत्तर
(c) mouth
The process of digestion begins in the mouth with the help of the enzymes present in the saliva.
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संबंधित प्रश्न
What is the role of the acid in our stomach?
Match the items of Column I with suitable items in Column II.
| Column I | Column II | ||
| (a) | Salivary gland | (i) | Bile juice secretion |
| (b) | Stomach | (ii) | Storage of undigested food |
| (c) | Liver | (iii) | Saliva secretion |
| (d) | Rectum | (iv) | Acid release |
| (e) | Small intestine | (v) | Digestion is completed |
| (f) | Large intestine | (vi) | Absorption of water |
| (vii) | Release of faeces |
List in tabular form two differences between pepsin and trypsin.
Draw a diagram of the human alimentary canal and label - gall bladder, pancreas, liver, and small intestine on it.
Food are classified into three groups on the basis of the function they perform in our body. Name the three categories, and briefly give their functions. Also give their two sources each.
The question has four options. Choose the correct answer:
The organ that stores bile is
Identify the correct human dental formula.
Liver produces for ______ the digestion of fat.
What are the compounds present in the food?
In which of the following groups of organisms, food material is broken down outside the body and absorbed?
