This has glandular hair

Options

A. Calotropis
B. Castor
C. Lemon
D. Yucca.

Answer

### Step-by-Step Solution:

1. **Understanding Glandular Hairs**:
- Glandular hairs are specialized structures found on some plants that can secrete substances. These substances often serve as a defense mechanism against herbivores or pests.

2. **Identifying the Options**:
- The question provides several plant options: Calotropis, Euka, Lemon, and Castor. We need to determine which of these has glandular hairs.

3. **Analyzing Each Option**:
- **Calotropis**: This plant does not have glandular hairs. It is known for other defense mechanisms but not glandular hairs.
- **Euka**: Euka is characterized by pointed spines and does not possess glandular hairs.
- **Lemon**: Lemon plants have thorns as a defense mechanism but do not have glandular hairs.
- **Castor**: Castor plants are known to have glandular hairs that secrete a sticky substance, providing protection against herbivores.

4. **Conclusion**:
- Among the given options, only Castor has glandular hairs. Therefore, the correct answer is Castor.

### Final Answer:
- The plant that has glandular hair is **Castor**.