Question

D. Answer the following questions.
1. What do you mean by the term 'disease??
2. What are microbes?
3. Name some infectious diseases.
4. How do diseases spread?
5. How can we prevent the spread of infectious diseases?​

Answer 1

Answer:

1. Disease, any harmful deviation from the normal structural or functional state of an organism.
2. Microbes are organisms that are too small to be seen without using a microscope, so they include things like bacteria, archaea, and single cell eukaryotes — cells that have a nucleus, like an amoeba or a paramecium.

• 3.Common Infectious Diseases
• Chickenpox.
• Common cold.
• Diphtheria.
• E. coli.

4.Infectious diseases commonly spread through the direct transfer of bacteria, viruses or other germs from one person to another.

5.Prevent the spread of infectious disease

• Immunise against infectious diseases.
• Wash and dry your hands regularly and well.
• Stay at home if you are sick.
• Cover coughs and sneezes.
• Clean surfaces regularly.
• Ventilate your home.
• Prepare food safely.