Question

D.
Answer the following questions.
1. What are nutrients?
2. What are energy-giving foods?
3. What is the use of roughage and water?​

Answer 1

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ANS 1)$<font color="red">$A substance that is needed to keep a living thing alive and to help it grow is called nutrient.

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ANS 2)$<font color="red">$Energy giving foods are those which are having proteins and nutrients(i.e protective nutrient, energy giving nutrient and body building nutrient) and also give energy to our body are known as energy giving food.

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ANS 3)$<font color="red">$It helps to move food through the body and aids digestion by (1) attracting water to the small and large intestines, and (2) the water increases bulk in foods and keeps the mass of fiber, food particles, digestive juices soft and moving though the system.

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Answer 2

*Answer*

1. A nutrient is a substance used by an organism to survive, grow, and reproduce.
• The requirement for dietary nutrient intake applies to animals, plants, fungi, and protists.
• Nutrients can be incorporated into cells for metabolic purposes or excreted by cells to create non-cellular structures, such as hair, scales, feathers, or exoskeletons.
2. Sprouts, fruits etc are energy giving foods.
3. Roughage works has cleansing action in the intestine of extracted waste then water push out through the passage

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