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प्रश्न
Which part of the digestive canal is involved in:
Complete digestion of food ______.
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उत्तर
Complete digestion of food small intestine.
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संबंधित प्रश्न
The process of digestion of food in humans begins in:
(a) stomach
(b) food pipe
(c) mouth
(d) small intestine
If the teeth are not cleaned regularly, they become covered with a sticky yellowish layer W of food particles and bacteria. Since layer W covers the teeth, the alkaline liquid X secreted by glands Y inside the mouth cannot reach the teeth surface to neutralise the acid formed by the action of organisms Z on sugary food, and hence tooth decay sets in.
(a) What is W known as?
(b) What is (i) X, and (ii) Y?
(c) What are organisms Z?
(d) State one way of removing layer W from the teeth.
Define the following term :
Omnivore
State whether the following statement is True or False.
Saliva changes starch into maltose.
State one difference in nutrition: Holophylic and Holozoic
The question has four options. Choose the correct answer:
Teeth present in the upper molar of human beings are
A group of organs together make up an ______ system.
During deficiency of oxygen in tissues of human beings, pyruvic acid is converted into lactic acid in the
What will happen if the mucus is not secreted by the gastric glands?
Read the following passage carefully and answer the questions that follow it.
| Bile juice is stored in a sac called, gall bladder, located near its organ of secretion, liver. The gall bladder 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. |
- Which organ secretes the bile juice?
- Why is digestion of fats difficult as compared to that of other nutrients?
- How does bile juice help in the digestion of fat?
- Where is the digestion of fat completed?
- Does bile juice digest fat completely?
