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NCERT Solutions for Class 6 Science - Components of Food

Q1. Name the major nutrients in our food.
Ans: The major nutrients in our food are named carbohydrates, proteins, fats, vitamins, and minerals. In addition, food contains dietary fiber and water which are also needed by our body.

NCERT Solutions for Class 6 Science - Components of Food


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. 
Ans: 
(a) The nutrients which mainly gives energy to our body – Carbohydrates and Fats
NCERT Solutions for Class 6 Science - Components of Food

  • Carbohydrates and fats are the two major nutrients which provide energy to our body. 
  • The rice we eat contains a lot of carbohydrates whereas egg, cheese and butter are rich in fat.

(b) The nutrients that are needed for the growth and maintenance of our body - Proteins
NCERT Solutions for Class 6 Science - Components of Food

  • Proteins are needed for the growth and maintenance of our body.
  • Every cell in the human body contains protein.
  • We need protein in our diet to help our body repair cells and make new ones.
  • Eggs, milk, beans and peas are rich sources of proteins.

(c) A vitamin required for maintaining good eyesight - Vitamin A

  • Sweet potatoes are an excellent source, as are leafy green vegetables, pumpkins and bell peppers.
    NCERT Solutions for Class 6 Science - Components of Food
  • (d) A mineral that is required for keeping our bones healthy – Calcium
    NCERT Solutions for Class 6 Science - Components of Food
  • The minerals that are required to keep our bones healthy are calcium and vitamin D. 
  • We need sufficient calcium to keep our bones healthy and vitamin D helps to absorb the calcium.

Q3. Name two foods each rich in:
(a) Fats
(b) Starch
(c) Dietary fibre
(d) Protein 
Ans:
(a) Fats: Ghee, Butter, Milk, Egg, etc.

  • Fat acts as an essential macro-nutrient and is required for the formation of hormones, steroids, and the structural components of the cell.
    NCERT Solutions for Class 6 Science - Components of Food
  • It also provides cushioning to the body and acts as the storehouse of energy. Example- fish, peanut butter, cheese, flaxseed oils, etc.

(b) Starch: Potatoes, Sugar, Rice, Corn, Peas etc.
NCERT Solutions for Class 6 Science - Components of Food

  • Starch acts as the reservoir of carbohydrates and fulfils the energy demands of organisms.

(c) Dietary Fibre: Whole grains, carrot, wheat, cereals, citrus fruits, etc.

  • Dietary fibres play an essential role in digestion. They can be either soluble or insoluble. 
  • The insoluble fibres are hygroscopic in nature and form the bulk in faeces by absorbing water.
    NCERT Solutions for Class 6 Science - Components of Food
  • The soluble fibres can dissolve in water and help to reduce blood cholesterol and blood sugar level.

(d) Protein: Milk, Beans, Egg, Cheese, etc.

  • Proteins are the body-building foods required for the production of enzymes, hormones, and various other metabolites. 
    NCERT Solutions for Class 6 Science - Components of Food
  • It is the major constituent of the cell membrane of a cell.

Q4. Tick (√) the statements that are correct.
(a) By eating rice alone, we can fulfill the 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. ( )
Ans:
(a) By eating rice alone, we can fulfill the nutritional requirement of our body. (X)
(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. (X)

Q5. Fill in the blanks.
(a) ______ is caused by a 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. 
Ans:
(a) Rickets is caused by a deficiency of Vitamin D.

NCERT Solutions for Class 6 Science - Components of Food

(b) Deficiency of vitamin B1 causes a disease known as beriberi.
NCERT Solutions for Class 6 Science - Components of Food(c) Deficiency of Vitamin C causes a disease known as scurvy.

NCERT Solutions for Class 6 Science - Components of Food(d) Night blindness is caused due to deficiency of vitamin A in our food.

NCERT Solutions for Class 6 Science - Components of Food

The document NCERT Solutions for Class 6 Science - Components of Food is a part of the Class 6 Course Science Class 6.
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FAQs on NCERT Solutions for Class 6 Science - Components of Food

1. What are the six components of food?
Ans. The six components of food are carbohydrates, fats, proteins, vitamins, minerals, and water. These components are essential for the proper functioning of our body.
2. Why is it important to have a balanced diet?
Ans. It is important to have a balanced diet because it provides all the essential nutrients required by our body for its proper functioning. A balanced diet helps in maintaining a healthy body weight, reducing the risk of chronic diseases, and improving overall health and wellbeing.
3. What are the sources of carbohydrates?
Ans. Carbohydrates are found in foods such as cereals, bread, pasta, potatoes, fruits, and vegetables. They are also found in sugary foods such as candies, cakes, and soft drinks.
4. How do proteins help our body?
Ans. Proteins are essential for our body as they provide the building blocks for our muscles, bones, skin, and other tissues. They also help in the production of enzymes, hormones, and other chemicals required for the proper functioning of our body.
5. What are the sources of minerals?
Ans. Minerals are found in foods such as green leafy vegetables, fruits, dairy products, nuts, seeds, and whole grains. Some minerals are also found in water.
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