Assertion : All birds, except the ones like koel (cuckoo) build nests for retiring and taking rest during night time (day time for noctumal)
Reason : Koel lays its eggs in the nests of tailor bird.

Options

A. If the both assertion and reason are true and the reason is the correct explanation of the assertion
B. If both assertion and reason are true and the reason is not the correct explanation of the assertion
C. If assertion is true but reason is false
D. If both assertion and reason are false statements.

Explanation

To solve the question, we need to analyze both the assertion and the reason provided.

### Step 1: Analyze the Assertion
The assertion states: "All birds, except the ones like koel (cuckoo), build nests for retiring and taking rest during night time (day time for nocturnal birds)."

- **Evaluation**: This statement is generally true. Most birds do build nests for resting and laying eggs. However, the koel (cuckoo) is known for being a brood parasite, meaning it does not build its own nest.

### Step 2: Analyze the Reason
The reason states: "Koel lays its eggs in the nests of tailor bird."

- **Evaluation**: This statement is false. Koels actually lay their eggs in the nests of other birds, primarily crows, not tailor birds. Therefore, this reason is incorrect.

### Step 3: Determine the Relationship
Now we need to determine if the reason correctly explains the assertion.

- Since the assertion is true but the reason is false, the reason does not provide a correct explanation for the assertion.

### Conclusion
Based on the evaluations:
- The assertion is true.
- The reason is false.
- Therefore, the correct answer is that the assertion is true, but the reason is false.

### Final Answer:
Assertion is true, Reason is false.

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