Available Answers

1. 1.

   What are the microorganisms? Name the different types of microorganisms.

2. 2.

   What is pathogen? How does it gain entry into the body of living organisms?

3. 3.

   Classify bacteria on the basis of their shape.

4. 4.

   Why are viruses considered to be on the borderline between the living and the non-living?

5. 5.

   What is pasteurization? How is it useful?

6. 6.

   What are communicable diseases? List a few ways by which such diseases spread.