Question

Name two diseases that are caused by the virus. Write one important characteristic of the virus.

Answer 1

Virus:

1. The virus causes two diseases: the common cold and poliomyelitis.
2. The causative agent of the common cold is rhinovirus and the causative agent for poliomyelitis is the polio virus.
3. DNA or RNA are found in all viruses. Viral DNA or RNA is protected inside a protein coat.
4. Viruses can't reproduce without a host cell. They can't generate their own energy.
5. Viruses lack many of the cellular organelles seen in other living beings and are not made up of cells.