Components of Food | Science 6th | Chapter 2 | Questions and Answers

JANDKNCERT | Science 6^th |

Components of Food | Science 6th | Chapter 2 | Questions and Answers

 

Chapter 2: Components of Food

 

Introduction

In Chapter 1, we learnt about Food and its Sources. We learnt about the different feeding habits of animals, variation of food among animals, food that we get from animals and plants, categories of animals based on their food, that is, omnivores, carnivores, and herbivores.

In this chapter, you will learn about the Components of Food. The following points will help you to understand this chapter easily.

•     The major nutrients in our food are carbohydrates, proteins, fats, vitamins and minerals. In addition, food also contains dietary fibres and water.

•     Carbohydrates and fats mainly provide energy to our bodies.

•     Proteins and minerals are needed for the growth and maintenance of our body.

•     Vitamins help in protecting our bodies against diseases.

•     A balanced diet provides all the nutrients that our body needs, in the right quantities, along with an adequate amount of roughage and water.

•     The deficiency of one or more nutrients in our food for a long time may cause certain diseases or disorders.

 

Let us try to answer some questions taken from the NCERT Book of Science Class 6th. This Exercise is taken from the same book.

 

Exercises

Q1. Name the major nutrients in our food.

 

Answer.

The major nutrients in our food are carbohydrates, proteins, fats, vitamins, and minerals. In addition, food also contains dietary fibres and water.

 

Q2. Why should we include vitamins in our diet?

 

Answer.

Proteins build our body. We should include proteins in our diet because they help in the growth, development, and repairment of our body.

 

Q3. What is the aim of the Mid-Day Meal Programme?

 

Answer.

The aim of, the Mid-Day-Meal programme is to provide such a meal as will overcome the deficiencies in the diets at home in Children. In rural areas, many children come to school partly hungry or even with an empty stomach. MDM is useful in the proper growth and development of such children.

 

Q4. Name the following:

a. The nutrients which mainly give energy to our body.

Ans. Carbohydrates and fats give energy to our bodies.

 

b. The nutrients that are needed for the growth and maintenance of our body.

Ans. Proteins and minerals are needed for the growth and maintenance of our body.

 

c. A vitamin is required for maintaining good eyesight.

Ans. Vitamin A is required for maintaining good eyesight.

 

d. A mineral that is required for keeping our bones healthy.

Ans. Calcium is required for keeping our bones healthy.

 

Q5. Name two foods each rich in:

a. Fats

Ans. Soybean and milk are rich in fats.

 

b. Starch

Ans. Potato and fruits are rich in starch.

 

c. Dietary fibre

Ans. Vegetables and fresh fruits are rich in dietary fibre.

 

d. Protein

Ans. All pulses, fishes, eggs, milk etc. are rich in proteins.

 

Q6. Tick (4) the statements, that are, correct.

a. By eating rice alone, we can fulfil the nutritional requirements of our body. (False)

b. Deficiency diseases can be prevented by eating a balanced diet. (True)

c. Balanced diet for the body should contain a variety of food items. (True)

d. Meat alone is sufficient to provide all nutrients to the body. (False)

 

Q7. Fill in the blanks.

a. ________ is caused by 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.

e. Proteins of animal origin are ________, ________ and _________.

f. Roughage helps in proper functioning of the ________.

g. Deficiency of Iodine leads to ________.

 

Answer.

a. Rickets is caused by a deficiency of Vitamin D.

b. Deficiency of Vitamin B causes a disease known as beriberi.

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.

e. Proteins of animal origin are milk, egg and fish.

f. Roughage helps in the proper functioning of the digestive system.

g. Deficiency of Iodine leads to goitre.