Question

class 6 science components of food​

Answer 1

Answer:

= protein,fat , carbohydrates, achohal

Answer 2

so I think you are asking for notes.

so here you go..

We eat different types of vegetables, fruits, cereals and pulses. We all eat food to obtain energy for our daily activities. There are different components of food and each of these components is required by our body to perform different cellular activities.

What Do Different Food Items Contain?

Food

Food is a basic requirement for all living organisms. It provides energy for carrying out normal physiological activities. There are different components and they have different nutrients. They all come together to provide wholesome nourishment to us.

Example- Cereals, pulses, Oats contain predominantly carbohydrates.

Fruits and vegetables contain vitamins.

What Do Various Nutrients Do for Our Body?

Carbohydrates

Carbohydrates are present mostly as starch. They provide us with energy and are thus energy giving food.

Wheat, Potato, Rice etc. are good sources of carbohydrates.

Proteins

Proteins are the bodybuilding nutrients. They are needed to build every single part and organ of the body. They help in the growth and repair of our body.

Eggs, Meat, Lentils etc are good sources of proteins

Test for Proteins

see the attachment- #1

Proteins in the food sample are tested by copper sulfate and caustic soda solutions. The sample food item is made into very dilute paste and the above solutions are added to it. If the colour of the resulting solution changes to purple, the presence of protein is confirmed.

Fats

Fats are high energy nutrients. They are needed in a moderate amount by the body. Fats are the reserved food material of our body.Oils, ghee, butter etc are the sources of fat.

Deficiency Diseases

Balanced Diet

A balanced diet is a diet that has all the necessary nutrients in the amount that is needed for normal body functioning

If the body is deficient in vitamin we get vitamin deficiency diseases.

E.g. scurvy, pellagra, Rickets etc.E.g. iron deficiency leads to anaemia, phosphorus deficiency leads to weak bones and teeth.

Vitamins

Vitamins are the essential nutrients that help us in maintaining normal body functions and also to fight off infections.Fruits and vegetables are the major sources of vitamins.A, B complex, C, D, E and K are the vitamins we get from different foods.

see the attachment-#2

Minerals-

Minerals are important substances that help your body’s form and function on many different levels.Important minerals required for our body are sodium, potassium, calcium, zinc, iron, phosphorus, magnesium etc

I know it's too long...but you have to do it...but please after reading this you have to look at your NCERT Book...for all topics..as i have not cover all the topics..