NCERT Science Grade 6, Chapter 2, Components of Food explains in detail the various components found in food. It begins with discussing some common meals of different regions/states. Further, it quenches the curiosity on what do different food items contain? and the importance of such ingredients for the human body.
It defines the term nutrients and classifies them into carbohydrates, proteins, fats, vitamins, minerals, dietary fibres and water. It contains a list of various nutrients present in food items like milk, raw potato, groundnut etc. Additionally, the chapter, Components of Food contains a series of activities which tests the presence of different nutrients like starch, proteins, fats, etc in different food items.
In the next section of the chapter, Components of Food the energy giving foods like carbohydrates and fats, bodybuilding foods like proteins and essential vitamins like Vitamin A, Vitamin C, Vitamin D, Vitamin E and K and a group of vitamins called Vitamin B-complex and minerals are discussed. Besides this, it focuses on the importance of dietary fibres and water for the body. In the next section, it defines a balanced diet and ways and means to have it.
By mentioning the adverse effects of overeating, the section ends up with defining a condition called obesity. The last section of the chapter, Components of Food talks about diseases/disorders caused by a deficiency of vitamins and minerals.

The chapter, Components of Food covers the following topics:

  • What do different Food Items Contain?
  • What do Various Nutrients do For Our Body?
  • Balanced Diet
  • Deficiency Diseases

Page No 17:

Question 1:

Name the major nutrients in our food.

Answer:

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

Page No 17:

Question 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

Page No 17:

Question 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

Page No 17:

Question 4:

Tick (||) 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. (&mnCross;)

(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. (&mnCross;)

Page No 17:

Question 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 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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