Select incorrect statement for prickles

Options

A. They are emergences over epidermal tissue system
B. They have vascular supply
C. Protect the plant from grazing animals
D. They help in climbing in some plants

Answer

**Step-by-Step Solution:**

1. **Understanding Prickles**: Prickles are hard, rigid extensions that can arise from various parts of a plant, including leaves, stems, and roots. They serve protective functions and can also assist in climbing.

2. **Analyzing the Options**:
- **Option A**: "They are emergence over the epidermal tissue system."
- This statement is correct. Prickles are indeed emergent structures that arise from the epidermal tissue.

- **Option B**: "They have a vascular supply."
- This statement is incorrect. Prickles do not have a vascular supply, which means they are not supplied with vascular tissues like xylem and phloem.

- **Option C**: "Protect the plant from grazing animals."
- This statement is correct. One of the primary functions of prickles is to deter herbivores and protect the plant.

- **Option D**: "They help in the climbing of the stump plant."
- This statement is also correct. Some plants use prickles to aid in climbing and support.

3. **Conclusion**: The question asks for the incorrect statement regarding prickles. Based on the analysis, **Option B** is the incorrect statement as prickles do not have a vascular supply.

**Final Answer**: Option B: "They have a vascular supply" is the incorrect statement regarding prickles.

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