Components of Food 

1.Name the major nutrients in our food. 

Ans .The major nutrients in our food are carbohydrates, proteins, fats, vitamins  and minerals .In addition to above, food also contains dietary fibres and water. 

2.Name the following:

(a) The nutrients which mainly give energy to our body. 

Ans. Carbohydrates and fats 

(b) The nutrients that are needed for the growth and maintenance of our body. 

Ans. Proteins 

(c) A vitamin required for maintaining good eyesight. 

Ans .vitamin A

(d) A mineral that is required for keeping our bones healthy. 

Ans. Calcium 

3. Name two foods each rich in :

(a) Fats : Ans. Dairy products,  groundnut,meat

(b) starch : Ans. Peanuts, cooked rice, raw potatoes 

(c) Dietry fibre : Ans.fresh fruits, grains,pulses 

(d) protein: Ans.soyabean,gram,eggs

4.Tick (True and False) the statements that are correct. 

a) By eating rice alone,we can fulfill nutritional requirements of our body.( false)

b) Deficiency diseases can be prevented by eating a balanced diet.(True)

c) Balanced diet for the body should contain a variety of food items. (True)

d) Meat alone is sufficient to provide all nutrients to the body.( False)

5. Fill in the blanks:

a) _______is caused by deficiency of vitamin D.

Ans. Rickets

b) Deficiency of _________ causes a disease known as beri_beri.

Ans. Vitamin B

c) Deficiency of vitamin C causes a disease known as _____.

Ans.Scurvy

d) Night blindness is caused due to deficiency of ________in our body.

Ans.Vitamin A

Some extra questions 

1. What are nutrients?

Ans. Nutrients are the components of food that the body needs in adequate amount for growth to reproduce and lead a normal healthy life. 

2. Why do we eat a variety of food items?

Ans .Not a single item supplies all the nutrients therefore, we should include different food items in our daily diet to get all the nutrients needed by our body to remain healthy. 

3.Why is it important to cook food?

Ans. It is important to cook food due to following reasons:

1.cooking kills various germs that is present in food items. 

2. It makes food easily digestible. 

3.it makes food tasty.

4. What is roughage?

Ans. Fibres present in the food materials are known as dietary fibres or roughage. 

5.What is a balanced diet?

Ans. A meal which contains various constituents of food which are necessary to keep the body healthy. A balanced meal has an appropriate food ratio of carbohydrates, protein, fats, vitamins and minerals. 

6.What are proteins?

Ans. Proteins are the polymers of amino acids. There are only twenty amino acids known to us.They link together to form proteins. The important sources of proteins are meat,fish,egg milk,and all pulses.