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:

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

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

(3) Fats: - It also gives us energy and it is obtained from milk, ghee, oils, etc.

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

(5) 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 mainly give energy to our bodies.

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

(c) Vitamin A is required for maintaining good eyesight .

(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) FATS : Ghee, butter

(b) STARCH : Rice, wheat

(c) DIETARY FIBRE : Spinach, lady’s finger, or any green vegetables

(d) PROTEIN : 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 fulfill the nutritional requirement of our body. ( )

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

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

Yes, deficiency diseases can be prevented by eating a balanced diet because a balanced diet contains all types of nutrients.

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

Yes, a balanced diet should contain food items with different nutritional values to fulfill our nutritional requirements.

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

No, meat is a good source of protein but does not contain all the nutrients.

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.