Trichomes (or) root hairs are absent in the epidermis of

Options

A. Dicot stem
B. Monocot stem
C. Dicot root
D. Monocot root

Answer

To solve the question "Trichomes (or) root hairs are absent in the epidermis of," we need to analyze the options provided and understand the characteristics of trichomes and root hairs in different plant types.

### Step-by-Step Solution:

1. **Understand Trichomes and Root Hairs**:
- Trichomes are hair-like structures that arise from the epidermal cells of plants. They can serve various functions, including reducing water loss and providing protection.
- Root hairs are specialized extensions of root epidermal cells that increase the surface area for water and nutrient absorption.

2. **Identify the Plant Types**:
- The options given are dicot stem, monocot stem, dicot root, and monocot root.
- Dicot and monocot refer to two major groups of flowering plants that differ in their seed structure, leaf venation, and other characteristics.

3. **Analyze the Presence of Trichomes and Root Hairs**:
- **Dicot Stem**: Trichomes are typically present.
- **Monocot Stem**: Trichomes are generally absent.
- **Dicot Root**: Root hairs are present.
- **Monocot Root**: Root hairs are also present.

4. **Determine the Correct Answer**:
- Based on the analysis, trichomes are absent in the epidermis of the monocot stem. Therefore, the correct answer to the question is **monocot stem**.

### Final Answer:
Trichomes (or) root hairs are absent in the epidermis of the **monocot stem**.