Revision: Term - 2 >> Food Science SSLC (English Medium) Class 5 Tamil Nadu Board of Secondary Education

The change in the normal state of the food is called spoilage of food.

 Any disorder or abnormal working of an organ, part or system of the body leads to illness called as disease.

A vaccine is a biological preparation of a weakened or killed pathogen (disease causing microbes) which stimulates the formation of antibodies and develops immunity against a particular disease.

Any organism that is capable of causing disease is called a pathogen.

Examples : bacteria, virus or other microorganism.

The diseases caused by inadequate intake of food or the lack of some essential nutrient in our diet are called deficiency diseases.

Deficiency in one or more of the nutrients causes various diseases. These are called deficiency diseases.

The ability of an organism to resist and overcome infection is called immunity.

Vaccination is a method of making the body immune to a particular disease by injecting killed or weakened disease causing microbe into a body to stimulate the formation of antibodies and develop immunity to that disease causing microbe.

The condition of nutrition in which the food is either in inadequate quantity or in excess or it lacks in some essential nutrient is called malnutrition.

Immunisation is body’s natural defence mechanism which acts by producing antibodies against the antigens infecting the body.

Atherosclerosis is a disease caused by the malfimtioning of heart wherein the arterial walls get hardened and thickened, reducing the flow of blood and raising the blood pressure.

A balanced diet is a diet that provides all the essential nutrients—carbohydrates, proteins, fats, vitamins, minerals, and water—in the right proportions to maintain health, energy, and proper growth.

Example of a Balanced Diet:

A balanced meal could include Carbohydrates, Proteins, Fats, Vitamins and Minerals and water.

A balanced diet is a diet which contains an adequate amount of all the necessary nutrients like carbohydrate fat protein minerals and vitamins required for healthy growth and activity.

The condition where people become weak and sick due to insufficient and unbalanced diet is referred to as malnutrition.