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प्रश्न
Cellulose-rich food substances are a good source of roughage in human beings because
पर्याय
human beings do not have cellulose-digesting enzymes
cellulose gets absorbed in the human blood and converts into fibres
the cellulose-digesting bacteria convert cellulose into fibres
cellulose breaks down into smaller components which are egested as roughage
उत्तर
human beings do not have cellulose-digesting enzymes
Explanation:
Human beings do not have cellulose-digesting enzymes in their bodies and are therefore unable to digest cellulose. Since it is not digested, it passes down the entire digestive tract from mouth to anus. It acts as roughage, adds bulk to the food and helps the body to easily get rid of undigested food.
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संबंधित प्रश्न
Which part of the digestive canal is involved in:
Absorption of food ______.
Pancreatic juice contains enzymes which digest:
(a) proteins and carbohydrates only
(b) proteins and fats only
(c) fats and carbohydrates only
(d) proteins, fats and carbohydrates
Which of the following is the correct sequence of parts as they occur in the human alimentary canal?
(a) Mouth → Stomach → Small intestine → Oesophagus → Large intestine
(b) Mouth → Oesophagus → Stomach → Large intestine → Small intestine
(c) Mouth → Stomach → Oesophagus → Small intestine → Large intestine
(d) Mouth → Oesophagus → Stomach → Small intestine → Large intestine
How is thorough chewing of food helpful in digestion?
Prepare a possible vegetarian menu for your dinner which would provide all the necessary nutrients.
Answer in detail.
What is meant by digestion? How does it differ from nutrition?
Describe the following: Digestion of fat in the intestine
How do we know that we are hungry and that we should now eat?
List out the functions of the digestive system.
The complete digestion and absorption of nutrients is done by the small intestine. Which of the following greatly enhances the process of absorbtion?
