Silica crystals are present in the leaf epidermis of

Options

A. Grass
B. Hibiscus
C. Tridax
D. Cucurbita

Answer

**Step-by-Step Solution:**

1. **Understanding the Question:**
The question asks about the presence of silica crystals in the leaf epidermis of certain plants. We need to identify which of the given options contains silica crystals in their leaf epidermis.

2. **Analyzing the Options:**
The options provided are:
- Grasses
- Hibiscus
- Tridex
- Carpetbita

3. **Knowledge of Silica in Plants:**
Silica crystals are known to be present in certain plant species, particularly in the epidermis of grasses. These silica deposits serve as a defense mechanism against herbivores by making the leaves abrasive and less palatable.

4. **Identifying the Correct Option:**
- **Grasses:** Known to have silica crystals in their leaf epidermis, making them abrasive and indigestible to herbivores.
- **Hibiscus, Tridex, and Carpetbita:** These plants do not typically have silica crystals in their leaf epidermis.

5. **Conclusion:**
Based on the analysis, the correct answer is that silica crystals are present in the leaf epidermis of **grasses**.

**Final Answer:**
Silica crystals are present in the leaf epidermis of **grasses**.

---