[A]: No fibres are found in plants.
[R]: Xylem vessels are absent in an- giosperms.

Options

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

Answer

To solve the question regarding the assertion and reason provided, we can break it down into steps:

### Step-by-Step Solution:

1. **Understanding the Assertion (A)**:
- The assertion states, "No fibres are found in plants."
- This statement is incorrect because plants do have fibres, particularly in the sclerenchyma tissue, which is responsible for providing strength and support.

2. **Understanding the Reason (R)**:
- The reason states, "Xylem vessels are absent in angiosperms."
- This statement is also incorrect. Angiosperms, which are flowering plants, do contain xylem vessels. In fact, xylem vessels are a characteristic feature of angiosperms, distinguishing them from gymnosperms, where xylem vessels are absent.

3. **Conclusion**:
- Since both the assertion (A) and the reason (R) are false, the correct answer to the question is that both A and R are false.

### Final Answer:
Both Assertion (A) and Reason (R) are false.

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