Advertisements
Advertisements
Question
Explain the various steps of nutrition in animals.
Advertisements
Solution
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.
RELATED QUESTIONS
Distinguish between the following:
Assimilation and Absorption
Classify according to food-type.
Buffalo
Very Short Answer Type Questions:
Name two sources of proteins provided by animals.
Very Short Answer Type Questions:
Name two sources of Vitamin A.
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 |
Which of the following nutrients is not present in milk?
Unscramble the following word related to component of food and write it in the space provided.
nitesturn - ______
Tasty food is not always nutritious and nutritious food may not always be tasty to eat. Comment with examples.
List all those components of food that provide nutrients.
Try growing a sweet potato just in water. Describe your experiment and observations.
