1. What’s the solution ?

The body requires an adequate quantity of proteins.

Ans: The body undergoes wear and tear continuously. Sometimes it gets injured. But the healing and repair of our bodies go on all the time without our being aware of them. Proteins are the building blocks of our body, so they are necessary for that purpose.

2. Use your brain power !

Why are children told to drink milk every day ?

Ans: Milk has almost all the food constituents. It has carbohydrates, sugars, fats, and proteins. It is rich in vitamins A, B, and D. The calcium content of milk is also quite high. Milk is easy to digest. It gives me energy. The growth and development of the body are accelerated when milk is included in our daily diet. Therefore, children are told to drink milk every day.

3. Give two sources of each of the following food constituents.

(a) Minerals 

Ans: Green leafy vegetables and sprouted pulses.

(b) Proteins 

Ans: Eggs and meat.

(c) Starch

Ans: Potato and bread.

4. Fill in the blanks.

(a) ………………. in our food give us the ability to resist diseases.

Ans: vitamins

(b) Calcium makes our bones ……………………… .

Ans: strong

(c) Foodstuffs that taste sweet contain various kinds of ……….. .

Ans: sugars

(d) A diet that provides all the constituents of food in the right proportions is called a ……………… diet.

Ans: balanced

5. Answer the following questions.

(a) Of what use are the sugars that we get from the digestion of starch?

Ans: The digestion of starch results in the formation of sugar. This sugar burns slowly, releasing energy in our body. Thus, it acts as fuel for our body.

(b) Name the sources of fibre in our diet.

Ans: Bran, fruits and vegetables, especially their skins, whole grains and pulses are all sources of fibre in our diet.

(c) What are carbohydrates?

Ans: The energy-producing food constituents that consist of starch, sugars, and fibres are called carbohydrates.

(d) What is meant by malnutrition?

Ans: If a person’s diet lacks the proper constituents of food for a long time, then this person does not get proper nourishment. Such a condition is called malnutrition.

6. Match the following.