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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
Classify according to food type.
Sparrow
Classify according to food-type.
Buffalo
Classify according to food-type.
Cockroach
Give reasons.
Butterflies have a long tube-like proboscis.
Meat alone is sufficient to provide all nutrients to the body.
Expulsion of undigested food by a voluntary process taking places through the anal opening is called ______.
Is ‘nutrition’ a necessity for an organism? Discuss.
Fill in the blanks of the paragraph given below with the words provided in the box.
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 (g)______ .
Which of the following food items does not provide any nutrient?
‘Water does not provide nutrients, yet it is an important component of food’. Explain.
