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प्रश्न
Why do living organisms need nutrition?
उत्तर
Nutrition is the process of uptake of nutrients from food and utilizing them for various functions of the cells. Nutrition is required for purposes like:
- supplying the energy required for doing work
- for growth and development of the body
- to fight diseases
- to replace the damaged cells and repair tissues
संबंधित प्रश्न
Explain the following term with an example:
Carnivore
Name the sources of the following:
Cellulose
All the substances in our food which are useful for various bodily processes are called ______.
Carbohydrates and _______ provide _______ to our body.
Very Short Answer Type Questions:
Name two food items which provide fats.
Very Short Answer Type Questions:
Write two sources of Vitamin B.
Short Answer Type Questions:
What are the functions of minerals?
What is obesity?
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 raw material is available in the air for photosynthesis?
