In Luffa the tendrils are modified

Options

A. Extra-axillary braches
B. Stipules
C. Axillary branches
D. Petioles

Answer

**Step-by-Step Solution:**

1. **Understanding the Question:**
The question asks about the modification of tendrils in the plant Luffa. We need to identify what the tendrils are modified from.

2. **Analyzing the Options:**
The options provided are:
- Extra axillary branches
- Stipules
- Axillary branches
- Petiole

3. **Identifying the Correct Modification:**
- **Extra Axillary Branches:** In Luffa, the tendrils are indeed modified from extra axillary branches. This is a characteristic feature of the plant.
- **Stipules:** Stipules are small leaf-like structures at the base of a leaf stalk. They are not modified into tendrils in Luffa.
- **Axillary Branches:** While some plants have axillary branches modified into tendrils, in the case of Luffa, it is specifically the extra axillary branches that are modified.
- **Petiole:** The petiole is the stalk that attaches the leaf blade to the stem. In Luffa, petioles are not modified into tendrils.

4. **Conclusion:**
Based on the analysis, the correct answer is that in Luffa, the tendrils are modified from **extra axillary branches**.

**Final Answer:** In Luffa, the tendrils are modified extra axillary branches.

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