Assertion :- Bud is present in axil of petiole in both simple and compound leaf, but not in axil of leaflets of compound leaf.
Reason :-Buds do not arise in the axil of leaflets .

Options

A. If both Assertion & Reason are True & Reason is a correct explanation of the Assertion.
B. If both Assertion & Reason are True & the Reason is a correct explanation of the Assertion.
C. If Assertion is True but the Reason is False.
D. If both Assertion & Reason are false.

Answer

**Step-by-Step Solution:**

1. **Understanding the Assertion:**
- The assertion states that a bud is present in the axil of the petiole in both simple and compound leaves, but not in the axil of leaflets of compound leaves.
- In botany, the axil is the angle between the upper side of a leaf or stem and the supporting stem or branch.

2. **Analyzing Simple and Compound Leaves:**
- A simple leaf has a single blade and a petiole (the stalk that attaches the leaf to the stem).
- A compound leaf consists of multiple leaflets attached to a single petiole.
- In both types of leaves, a bud can develop in the axil of the petiole.

3. **Examining Leaflets:**
- Leaflets are the individual segments of a compound leaf.
- The axil of a leaflet does not have the capacity to produce a bud, as leaflets are not independent leaves but parts of a compound leaf.

4. **Understanding the Reason:**
- The reason states that buds do not arise in the axil of leaflets.
- This is true because leaflets do not have the same structure or function as a full leaf.

5. **Conclusion:**
- Both the assertion and the reason are true.
- However, the reason correctly explains the assertion. Therefore, the assertion is true, and the reason is also true, making the relationship between them valid.

**Final Answer:**
- The assertion is true, and the reason is true, and the reason correctly explains the assertion.

---