Question:
A virus is considered as a living organism and an obligate parasite when inside a host cell. But the virus is not classified along with bacteria or fungi. What are the characters of the virus that are similar to non-living objects?
Solution:
1. Viruses have no complete cellular structure.
2. Don’t show growth, division, metabolism and lack respiration.
3. High specific gravity
4. Don’t follow Robert Koch’s postulate
5. Cannot be grown under “in vitro” condition.