Which among the following is correct definition of Bacteriophage?

Q. Which among the following is correct definition of Bacteriophage?
Answer: A Virus that destroys Bacteria
Notes: Bacteriophage a virus that parasitizes a bacterium by infecting it and reproducing inside it. Bacteriophages are commonly used in genetic research. They are composed of proteins that encapsulate a DNA or RNA genome, and may have structures that are either simple or elaborate.