NCERT Solutions for Class 6 Science

Chapter 02: Components of Food-Exercise Solutions

NCERT Science Book Page Number-17

Q.1.Name the major nutrients in our food.
Answer: 
The major nutrients in our food are: Carbohydrates, proteins, fats, vitamins, and minerals.

Q.2.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 required for keeping our bones healthy.

Answer:
(a) Carbohydrates and fats
(b) Proteins and minerals
(c) Vitamin A
(d) Calcium

Q.3.Name two foods each rich in:
(a) Fats
(b) Starch
(c) Dietary fibre
(d) Protein

Answer:
(a) Groundnut and Butter
(b) Rice and Mango
(c) Potatoes and pulses
(d) Fish and Gram

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

Q.5.Fill in the blanks:
(a) _________ is caused by the deficiency of vitamin D.
(b) Deficiency of _________ causes a disease known as beri-beri.
(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 the deficiency of vitamin D.
(b) Deficiency of vitamin $B_{1}$ 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 vitamin A in our food.