Assertion : Bacteriophages are a type of bacteria.
Reason : Bacteria are unicellular, eukaryotic organisms.

Options

A. If both Assertion and Reason are true and the Reason is a correct explanation of the Assertion.
B. If both Assertion and Reason are true but Reason is not a correct explantion of the Assertion.
C. If Assertion is ture but the Reason is false.
D. If both Assertion and Reason are false.

Answer

To solve the assertion and reason question, we will analyze both statements step by step.

### Step 1: Analyze the Assertion
- The assertion states: "Bacteriophages are a type of bacteria."
- Bacteriophages are actually viruses that specifically infect bacteria. They are not bacteria themselves. Therefore, this assertion is **false**.

### Step 2: Analyze the Reason
- The reason states: "Bacteria are unicellular, eukaryotic organisms."
- Bacteria are unicellular organisms, but they are classified as prokaryotic, not eukaryotic. Prokaryotes lack a defined nucleus and membrane-bound organelles. Therefore, this reason is also **false**.

### Step 3: Conclusion
- Since both the assertion and the reason are false, the correct answer is that both the assertion and the reason are incorrect.

### Final Answer
- The correct option is: **Both assertion and reason are false.**

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