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प्रश्न
What is roughage? Give two examples.
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उत्तर
Roughage is a dietary fiber that largely consists of cellulose. It cannot be digested by our body as our body does not contain cellulose-digesting enzymes.
Examples of roughage:
- Fruits
- Green leafy vegetables
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संबंधित प्रश्न
Where is the bile produced? Which component of the food does it help to digest?
Which part of the digestive canal is involved in:
Formation of faeces ______.
Which of the organs performs the function in humans?
Absorption of food
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Name the types of teeth seen in humans.
Write true or false for the below statement. Rewrite the false statements correctly.
Saliva contains lipase which digests carbohydrates
Find the odd one out. Give reasons for your choice.
What is dental plaque?
What do you mean by nutrition?
Name the enzymes secreted by the following: Salivary glands
Give a reason.
Food becomes acidic in the stomach.
Sketch and label a diagram of the digestive system and describe it in your own words.
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 |
Identify the INCORRECT statement.
Name the correct substrates for the following enzymes
- Trypsin
- Amylase
- Pepsin
- Lipase
Describe the alimentary canal of man.
Solve the crossword given as Figure.

| 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 | ||
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Statement I - The muscularis of intestine can be differentiated into longitudinal and oblique muscles only.
Statement II - The muscularis of stomach is made up of outer- longitudinal, middle oblique and inner circular muscles.
In light of above statements, choose the most appropriate answer from the option given below.
