Unicellular and unbranched epidermal hairs are seen in the

Options

A. stem of Heliathus
B. stem of Zea
C. steam of cucurbita
D. stomatal pits

Answer

To answer the question about where unicellular and unbranched epidermal hairs are found, we can follow these steps:

### Step-by-Step Solution:

1. **Understand the Structure of Epidermal Hairs**:
- Epidermal hairs can be unicellular (made of a single cell) and unbranched (not divided into multiple branches).

2. **Identify the Plants Mentioned**:
- The options given are:
- Stem of Helianthus
- Stem of Zea
- Stem of Cucurbita
- D-stomatal pits

3. **Analyze Each Option**:
- **Stem of Helianthus**: Helianthus (sunflower) typically has multicellular and branched hairs.
- **Stem of Zea**: Zea (maize) also does not typically have unicellular unbranched hairs.
- **Stem of Cucurbita**: Cucurbita (pumpkin and squash) is known for having unicellular and unbranched epidermal hairs, especially in its creeping stems.
- **D-stomatal pits**: This option does not refer to a stem and is not relevant to the question.

4. **Conclude the Correct Answer**:
- Based on the analysis, the stem of Cucurbita is the correct answer as it is known to have unicellular and unbranched epidermal hairs.

### Final Answer:
The correct answer is **Stem of Cucurbita**.

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