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प्रश्न
Explain the various steps of nutrition in animals.
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उत्तर
The various steps of nutrition in animals are:
- Ingestion: The process of taking in of food into the body is called ingestion. Ingestion of food in humans is done with the help of the buccal cavity.
- Digestion: The process where conversion of food into soluble form occurs.
- Absorption: The nutrients from the digested food are absorbed in the small intestine with the help of finger-like projections called villi.
- Assimilation: The absorbed nutrients are transported via the blood vessels to the different organs, to be utilised for different life processes.
- Egestion: The process of removal of faecal matter through the anus is called egestion.
संबंधित प्रश्न
Distinguish between the following:
Herbivore and Carnivore
Distinguish between the following:
Assimilation and Absorption
Pulses are a very good source of ______.
Classify according to food type.
Sparrow
Name some unicellular organisms in which all life-processes take place within their unicellular body.
Very Short Answer Type Questions:
Write two sources of Vitamin B.
Name the following:
The nutrients which mainly give energy to our body.
Match the Column I with Column II and choose the correct option.
| Column I (Food componets) | Column II (Gross calorific value) | ||
| i. | Proteins | a. | 9.45 Kcal/g |
| ii. | Carbohy drates | b. | 4.1 Kcal/g |
| iii. | Fats | c. | 5.65 Kcal/g |
Paheli and Boojho peeled some potatoes and cut them into small pieces. They washed and boiled them in water. They threw away the excess water and fried them in oil adding salt and spices. Although the potato dish tasted very good, its nutrient value was less. Suggest a method of cooking potatoes that will not lower the nutrients in them.
