Question

On the basis of attack of host, viruses are classified into

• A. Two types
• B. Three types
• C. Four types
• D. Five types

Answer 1

The correct option is B Three types

On the basis of a host infected, three important virus types are the animal virus, plant virus and bacterial virus or bacteriophages. Several other types of viruses have been discovered with a wide range of hosts, like cyanophages (infecting cyanobacteria), mycophages (infecting fungi), zymophages (infecting yeast), phycophages (infecting algae) etc.