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प्रश्न
Why do living organisms need nutrition?
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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
Distinguish between the following:
Assimilation and Absorption
______ is a type of junk food.
Classify according to food-type.
Tiger
Classify according to food-type.
Deer
Classify according to food-type.
Cockroach
Explain the various steps of nutrition in animals.
What damage or harm do ectoparasitic and endoparasitic animals cause?
Match the following.
| Column A | Column B | ||
| (1) | Fats | (a) | Jowar |
| (2) | Proteins | (b) | Oil |
| (3) | Vitamins | (c) | Bran of cereals |
| (4) | Minerals | (d) | Pulses |
| (5) | Starchy foods | (e) | Iron |
Which of the following raw material is available in the air for photosynthesis?
Fill in the blanks of the paragraph given below with the words provided in the box.
| chlorophyll, energy, food, carbon dioxide, water, photosynthesis |
Leaves have a green pigment called ___(a)___ which captures ___(b)___ from sunlight. This ___(c)___ is used in the process of ___(d)___ and along with other raw materials like ___(e)___ and ___(f)___ synthesize ___(f)___.
