In gourds and watermelon, the tendril is formed by the modification of

Options

A. Axillary bud
B. Axillary bud and leaf respectively
C. Leaf and axiliary bud respectively
D. Leaf

Answer

To solve the question regarding the modification of tendrils in gourds and watermelons, we can follow these steps:

### Step-by-Step Solution:

1. **Identify the Plant Structures**:
- Understand that in plants, tendrils are specialized structures that help in climbing.

2. **Determine the Origin of Tendrils**:
- Recognize that tendrils can arise from different parts of the plant, such as leaves or axillary buds.

3. **Specific Examples**:
- In the case of gourds (like cucumber and pumpkin) and watermelon, we need to identify what part of the plant forms the tendrils.
- It is known that in these plants, the tendrils are formed from the axillary buds.

4. **Define Axillary Buds**:
- Axillary buds are the buds that form in the axil (the angle between the stem and a leaf) and can develop into branches or flowers.

5. **Conclusion**:
- Therefore, the correct answer to the question is that the tendrils in gourds and watermelon are formed by the modification of axillary buds.

### Final Answer:
The tendril is formed by the modification of axillary buds.