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प्रश्न
‘Water does not provide nutrients, yet it is an important component of food’. Explain.
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उत्तर
Water is a vital component of our food because -
- Water helps our body to absorb nutrients from food.
- Water helps in removing wastes in the form of urine and sweat.
- Water transports nutrients throughout the body.
- Water helps to maintain temperature of our body.
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संबंधित प्रश्न
Explain the following term with an example:
Omnivore
Name the sources of the following:
Vitamin A
Classify according to food-type.
Vulture
Prepare and complete the flowchart according to type of nutrition.
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 |
Is ‘nutrition’ a necessity for an organism? Discuss.
Organisms that prepare food for themselves using simple naturally available raw materials are referred to as ______.
Can you give me a name?
Solve the following riddles by writing the name of the organism and its mode of nutrition. One riddle is solved to help you.
I am tall but I cannot move. I am green and can prepare my own food. ______, ______
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Take a potted plant with broad leaves. Take two strips of black paper and cut out a small square in the centres. Cover a part of two leaves with these papers and secure them with paper clips Figure. Keep the plant in sunlight for 2–5 days. Observe the difference in the colour of the covered and the uncovered portions on the leaf. Perform iodine test on this leaf. Did the two parts show different results? Now take second leaf. Remove the strip and expose the covered part to the sunlight for 2–3 days and do the iodine test again. Describe your observations.
