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प्रश्न
Write short answers
What do you mean by the emulsification of fat?
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उत्तर
Digestion of fats into tiny droplets to provide a larger surface area for the enzymes to act is called the emulsification of fats.
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संबंधित प्रश्न
Which of the following is the correct sequence of parts as they occur in the human alimentary canal?
| 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.
With which human organ system (or human systems) is the villi associated?
A calcified connective tissue from which the basic shape of the tooth is derived is known as ______.
Match the two columns and select correct option.
| Column - I | Column - II | ||
| i. | Sphincter of Oddi | a. | Oesophagus and stomach |
| ii. |
Ileo-caecal sphincter |
b. | Stomach and small intestine |
| iii. | Pyloric sphincter | c | Ileum and caecum |
| iv. |
Gastro-oesophageal sphincter |
d. | Opening of hepato- pancreatic duct |
A few drops of iodine solution were added to rice water. The solution turned blue-black in colour. This indicates that rice water contains:
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. |
The digestive glands associated with the alimentary canal are ______.
Which part of the alimentary canal receives bile from the liver?
In which layer of the wall of alimentary canal, secretary glands are present?
