Components Of Food

NCERT TEXT BOOK EXERCISES

Q1. Name the major nutrients in our food.

Ans. The major nutrients in our food are : Carbohydrates, proteins, fats, vitamins, and minerals.

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 required for keeping our bones healthy.

Ans. (a) Carbohydrates and fats

(b) Proteins and minerals

(c) Vitamin A

(d) Calcium

Q3. Name two foods each rich in :

(a) Fats

(b) Starch

(c) Dietary fiber

(d) Protein

Ans. (a) Groundnut and Butter

(b) Rice and Mango

(c) Potatoes and pulses

(d) Fish and Gram

Q4. Tick (✓) the statements that are correct.

(a) By eating rice alone, we can fulfill 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. ( )

Ans. (a) By eating rice alone, we can fulfill 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. (✗)

Q5. 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.

Ans. (a) Rickets is caused by the deficiency of vitamin D.

(b) Deficiency of vitamin B1 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.

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