Question

Name the microorganisms which are much smaller than bacteria and cause diseases.

Answer 1

Virus:

1. Virus is considered as the connecting link between living and non-living.
2. These are the microbes and are only visible with an electron microscope.
3. Viruses are smaller than bacteria.
4. Viruses act as non-living outside the host cell and don't show any activity.
5. As soon as they enter the host cells like plant and animal cells, they start to reproduce and form multiple copies.
6. Virus may cause some infections like measles.