Components of Food Class 6 notes – Chapter 2

Components of Food Class 6 notes – Chapter 2

Class 6 Science Notes Chapter 2 Components of Food

The different topics covered in CBSE Class 6 Science Chapter 2 are tabulated below:

Section NameTopic Name
     Ex. 2Components of Food
    Ex  2.1What do Different Food Items Contain?
     Ex 2.2What do Various Nutrients do For Our Body?
    Ex 2.3Balanced Diet
    Ex 2.4Deficiency Diseases

Ex – 2. Components of Food

A nutrient can be defined as components that are needed by our body to grow, survive and carry on different daily activities.Our food contains mainly five major kinds of nutrients namely vitamins, minerals, carbohydrates, proteins and fats. Additionally, food also contains water and dietary fibres/roughage and water which are also required by our bodies.

Ex – 2.1 – What Do Different Food Items Contain?

Foods have energy and non-energy components.

Our cells need energy (calories) to function. The energy components of food include:

  • carbohydrates (sugars and starches)
  • proteins
  • lipids (fats)

The non-energy components include:

  • vitamins
  • minerals
  • dietary fibre
  • water

Carbohydrates : Carbohydrates are the body’s main source of energy and the sole fuel for the brain.

Proteins : Proteins are necessary for building, repairing and renewing all the organs of the body.

Fats : Fats, also called lipids, play a role in the transport of certain vitamins and provide the body with essential fatty acids.

Fats are found in:

  • meat and cured meats (deli meats)
  • poultry skin
  • fried foods
  • cheese
  • nuts and seeds
  • butter and oils
  • sauces, salad dressings (vinaigrettes), mayonnaise
  • pastries
  • chocolate
  • etc.

When eaten in excess, fats, particularly saturated and trans fats, can lead to high blood cholesterol levels and obesity.

Vitamins and Minerals : The daily required amounts of vitamins and minerals is low but essential to life.

The body’s daily need for vitamins and minerals is generally satisfied by a balanced diet that includes a variety of foods from each food group.

No single food contains all essential vitamins and minerals in sufficient amounts to meet the body’s needs. That is why it is vital to eat different foods each day.

Sources of different Vitamins
Vitamin ACarrot, Mango, Papaya
Vitamin CTomato, Guava, Lemon, Orange
Vitamin BRice, wheat
Vitamin DLiver, fish, milk, butter

Ex – 2.2 – What do Various Nutrients Do For Our Body?

Components of Food Class 6 notes – Chapter 2

People get energy from food. We need energy all the time, when we run, jump, sing, and even when we sleep. We create all the energy we need by eating. The structures components that make up the human body, such as muscles, organs, and bones, are also composed of the nutrients contained in food, meaning that it is. This is why eating and taking in the nutrients that provide energy and become the components of our bodily structures is essential for sustaining human life.

Ex – 2.3 – Balance Diet

Components of Food Class 6 notes Science Chapter 2

4 Reasons for you to start a balanced diet right away

  • The vitamins and minerals you consume from a wider range of foods help maintain your cells, tissues, and organs.
  • A good diet keeps you fit, allows you to maintain a healthy weight, reduces the fat percentage in your body, and gives you energy.
  • Proper nutrition leads to improved immunity, thus ensuring that you don’t fall sick too often.
  • A well-balanced meal helps in improved brain functions and keeps your mind active.

Ex – 2.4 – Deficiency Diseases

Deficiency Diseases occur in our body due to lack of nutrient supply over a long period of time.

Listed below are a few deficiencies caused as a result of lack of nutrients.

Name of NutrientDisorder causedSymptoms
Vitamin CScurvyTakes a long time to heal, bleeding gums
IronAnaemiaWeakness
CalciumTooth decay and boneTooth infections, Weak bones
Components of Food Class 6 notes Science Chapter 2

Conclusion :

  • Nutrients are chemical components in food that are required for releasing energy and helps in growth. Carbohydrates and fats mainly provide energy to our body.
  • The major nutrients in our food are carbohydrates, proteins, fats, vitamins and minerals. In addition, food also contains dietary fibres and water.
  • Proteins and minerals are needed for the growth and the maintenance of our body.
  • Starch and sugar are the two kinds of carbohydrates found in food.
  • Carbohydrates and fats mainly provide energy.

CBSE Notes for Class 6 Science Free Download for All Chapters

CBSE Class 6 Science Study NotesCBSE Class 6 Science Study Notes
Food: Where Does It comes from? Class 6 notes – Chapter 1The Living Organisms And their Surroundings Class 6 notes – Chapter 9
Component of Food Class 6 notes – Chapter 2Motion and Measurement of Distances Class 6 notes – Chapter 10
Fibre to Fabric Class 6 notes – Chapter 3Light, Shadows and Reflection Class 6 notes – Chapter 11
Sorting Materials Into Groups Class 6 notes – Chapter 4Electricity and Circuits Class 6 notes – Chapter 12
Separation of Substances Class 6 notes – Chapter 5Fun with Magnets Class 6 notes – Chapter 13
Changes around Us Class 6 notes – Chapter 6Water Class 6 notes – Chapter 14
Getting to Know Plants Class 6 notes – Chapter 7Air Around Us Class 6 notes – Chapter 15
Body Movements Class 6 notes – Chapter 8Garbage In, Garbage Out Class 6 notes – Chapter 16

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