The viruses which infect bacteria are known as

Options

A. Zoophages
B. Bacteriophages
C. Cyanophages
D. Phytophages

Answer

**Step-by-Step Solution:**

1. **Understanding the Question**: The question asks for the name of viruses that specifically infect bacteria.

2. **Analyzing the Options**: The options provided are:
- A) Zoophages
- B) Bacteriophages
- C) Cyanophages
- D) Phytophages

3. **Evaluating Each Option**:
- **Option A: Zoophages**: These are viruses that infect animals. Therefore, this option is incorrect for our question.
- **Option B: Bacteriophages**: These are viruses that specifically infect bacteria. This matches the requirement of the question, making it a strong candidate for the correct answer.
- **Option C: Cyanophages**: These viruses infect cyanobacteria (blue-green algae). This does not pertain to bacteria in general, so this option is also incorrect.
- **Option D: Phytophages**: These viruses infect plants. Since they do not infect bacteria, this option is incorrect as well.

4. **Conclusion**: After evaluating all the options, the correct answer to the question is **Bacteriophages**, which are the viruses that infect bacteria.

**Final Answer**: The viruses which infect bacteria are known as **Bacteriophages**.

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