BIOLOGY [2 Mark Question Answer]

Allergies, also known as allergic diseases, are a number of conditions caused by hypersensitivity of the immune system to something in the environment that usually causes no adverse effects to most people. These diseases include hay fever, dermatitis, asthma, food allergies, etc.

Fast food like pizza, burger, patty, oily foods, etc. have many carbohydrates and fats. Children eating these become more and more fat and gain weight soon as they do not do much of physical work.

Those diseases which spread from one person to another by the entry of microorganisms are known as communicable diseases. The disease-causing germs are called Pathogens. These diseases can be avoided by proper vaccination, healthy food, and hygenic surroundings.

1. Dust particles
2. Nuts
3. Pollen

Allergies, also known as allergic diseases, are a number of conditions caused by hypersensitivity of the immune system to something in the environment that usually causes no adverse effects to most people. These diseases include hay fever, dermatitis, asthma, food allergies, etc.