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प्रश्न
The question has four options. Choose the correct answer:
The ileum is characterized by
विकल्प
Brunner's glands and leaf-like villi.
Brunner's glands and club-shaped villi.
club-shaped villi and Peyer's patches.
Peyer's patches and Bunner's glands.
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उत्तर
Club-shaped villi and Peyer's patches.
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संबंधित प्रश्न
What is the role of the acid in our stomach?
The largest gland in the human body is ______.
Which of the organs performs the function in humans?
Absorption of food
Which part of the body secretes bile?
What harm can dental plaque do?
Which of the following component of our food is digested by an enzyme which is present in saliva as well as in pancreatic juice?
| 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. |
- What is W known as?
- What are (i) X and (ii) Y?
- What are organisms Z?
- State one way of removing layer W from the teeth.
What is digestion? Why do only animals require a digestive system?
Draw a diagram of the human alimentary canal and label - gall bladder, pancreas, liver, and small intestine on it.
Last molar tooth in human beings is called ______.
Fill in the blank.
The human teeth appear in two sets, the first set is called primary which consists of only _______ teeth
Fill in the blanks in the table (1-5) by selecting the suitable names of substances from the list given below:
(steapsin, peptones, fatty acids, proteoses, protein).
| Digestive Enzymes | Acts on | To convert into |
| (i) Pepsin | _________(2) | ________(3) and |
| (ii) _______(1) | Fats |
________(4) _________(5) |
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.
Write true or false for the below statement. Rewrite the false statements correctly.
The process of taking in food is called assimilation
Give reasons for the following:
All teeth in the mouth are not alike.
Complete the following enzymatic reaction.
Maltose \[\ce{->[maltase]}\] ___________
Define with examples: Heterotrophs
Describe the following: Coagulation of milk in the digestive system.
The process by which the body removes waste is called ______.
Observe the diagram of Human digestive system.
Match the labeling referred in column I and correlate with the function in column II.
| Column I | Column II | |
| i. | a. | The length of this depends on food the organism eats. |
| ii. | b. | Initial phase of starch digestion |
| iii. | c. | Increase the efficiency of lipase enzyme action |
| iv. | d. | This is the site of the complete digestion of carbohydrates, proteins and fats. |
