Class 6 Science

Components of Food

NCERT Solution

Fill in the blanks

  • ---------- is caused by deficiency of vitamin D.

    Answer: Rickets
  • Deficiency of ----------- causes a disease known as beri-beri.

    Answer: B1
  • Deficiency of vitamin C causes a disease known as ----------

    Answer: Scurvy
  • Night blindness is caused due to deficiency of --------in our food.

    Answer: Vitamin A


Answer the following question

Name the following

  • The nutrients which give energy to our body.

    Answer: Carbohydrate and fat
  • The nutrients that are needed for the growth and maintenance of our body.

    Answer: Protein
  • A vitamin required for maintaining good eyesight.

    Answer: Vitamin A
  • A mineral that is required for keeping our bones healthy.

    Answer: Calcium
Name two food rich in each of the following:
  • Fat

    Answer: Butter and peanut
  • Starch

    Answer: Rice and potato
  • Dietary fibre

    Answer: Salad and sprouts
  • Protein

    Answer:Meat and pulse


Write Yes for correct statement and No for incorrect statement
  • By eating rice alone, we can fulfill nutritional requirement of our body.
  • Deficiency diseases can be prevented by eating a balanced diet.
  • Balanced diet for the body should contain a variety of food items.
  • Meat alone is sufficient to provide all the nutrients to the body.

Answer: 1 No, 2 Yes, 3 Yes, 4 No

Extra Questions

What is a deficiency disease?

Answer: The disease caused due to the lack of one or more nutrients in the diet is called deficiency disease.

Why is goiter caused?

Answer: Goiter is caused due to deficiency of iodine.

Name a rich source of vitamin A.

Answer: Carrot and spinach are rich sources of vitamins.

What is the function of roughage?

Answer: Roughage helps in cleaning the bowel.

What is balanced diet?

Answer: The diet which contains all the essential nutrients in the right proportion is called a balanced diet.

What are energy giving foods?

Answer: Carbohydrates and fats are energy giving food.

What are body building foods?

Answer: Proteins are body building food.

What are the sources of carbohydrates?

Answer: Rice, wheat, maize, potato and sugar are the main sources of carbohydrates.

Name the disease caused by the deficiency of iron?

Answer: Anaemia

Name the major nutrients in our food.

Answer:Carbohydrates, protein, and fats


Food Components: Lesson

Food Components: MCQ Quiz