NCERT Solutions for Class 6 Science Chapter 2 Components Of Food

Q1 ) Name the major nutrients in our food.

Answer :

Major nutrients of food are carbohydrates, proteins, fats, vitamins and minerals.

Carbohydrates: - It gives us energy and it is obtained from rice, wheat, sugar, potato, etc.

Protein: - It helps in growing our body and it is mainly obtained from lentils, fish, milk, etc.

Fats: - It also give us energy and it is obtained from milk, ghee, oils, etc.

Vitamins: - It is mainly derived from green vegetables and fruits. It helps us to fight against diseases.

Minerals: - Minerals are nutrients that contain certain elements. All of them perform particular functions in our body. They are required by our body in small quantities in diet to maintain well healthily.

Q2 ) Name the following:
(a) The nutrients which mainly give energy to our body.
(b) The nutrients that are needed for the growth and maintenance of our body.
(c) A vitamin required for maintaining good eyesight.
(d) A mineral that is required for keeping our bones healthy.

Answer :

(a) Carbohydrates is mainly give energy to our body

(b) Proteins are that nutrients which are important for growth and maintenance our body

(c) Vitamin A is required for good eye sight

(d) Calcium is a mineral that is required for keeping our bones healthy

Q3 ) Name two foods each rich in:
(a) Fats
(b) Starch
(c) Dietary fibre
(d) Protein

Answer :

(a) ghee, butter

(b) rice, wheat

(c) spinach, lady’s finger, or any green vegetables

(d) milk, fish, egg, any pulses etc.

Q4 ) Tick (_/) the statements that are correct.
(a) By eating rice alone, we can fulfil nutritional requirement of our body. ( )
(b) Deficiency diseases can be prevented by eating a balanced diet. ( )
(c) Balanced diet for the body should contain a variety of food items. ( )
(d) Meat alone is sufficient to provide all nutrients to the body. ( )

Answer :

(a) By eating rice alone, we can fulfil the nutritional requirement of our body. (x )

No, by eating rice alone, we can not fulfil the nutritional requirement of our body because we need all the nutrients to stay healthy. But rice gives us only carbohydrates.

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

Yes, Deficiency diseases can be prevented by eating a balance diet. Because balance diet contains all type of nutrients.

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

Because balance diet contains all type of nutrients.

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

No, Meat alone is not sufficient to provide all nutrients to the body because meat has not protein, minerals and all type of vitamins.

Q5 ) Fill in the blanks.

(a) ______________ is caused by deficiency of Vitamin D.
(b) Deficiency of ______________ causes a disease known as beriberi.
(c) Deficiency of Vitamin C causes a disease known as ______________.
(d) Night blindness is caused due to deficiency of ____________ in our food.

Answer :

(a) $Rickets$ is caused by deficiency of Vitamin D.

(b) Deficiency of $VitaminB1$ causes a disease known as beri-beri.

(c) Deficiency of Vitamin C causes a disease known as $Scurvy$ .

(d) Night blindness is caused due to deficiency of $VitaminA$ in our food.