Question

Bacteriophage which infects colon bacterium is

• A. Biophage
• B. Cyanophage
• C. Coliphage
• D. None of the above

Answer 1

Answer: (C)

Coliphage

E coli is a colon bacterium and the Coliphage $T_2$ is lytic phage of E coli. It has an icosahedral structure with proteinaceous head, collar and tail. It is a DNA containing the virus. Cyanophages are dsDNA phages that infect cyanobacteria. An organism that derives its nutrition from another living organism is called as biophage, all bacteriophages are biophage.

Thus, the correct answer is option C.