Read the following statements
I. Bacteriophage is an anaerobic bacterium.
II. Male-specific bacteriophage infect via the pili of other microorganisms including viruses.
III. Bacteriophage is found in human as well as in animal excreta.
IV. Bacteriophage can not indicate the presence of bacteria.
The correct choice is
- $\text{(I), (III)}$ and $\text{(IV)}$ are correct
- $\text{(IV)}$ is correct; $\text{(III)}$ is incorrect
- Both $\text{(III)}$ and $\text{(IV)}$ are incorrect
- Both $\text{(III)}$ and $\text{(IV)}$ are correct
