Which of the following exemplifies emergences?

Options

A. (a) Root hair
B. (b) Stigmatic papillae
C. (c) Prickles of rosa indica
D. (d) Oil glands on fruit skins

Explanation

To determine which of the following options exemplifies emergences, we can follow these steps:

### Step-by-Step Solution:

1. **Understand the Definition of Emergence**:
- Emergences are defined as multicellular epidermal outgrowths. They originate from the epidermis and are composed of multiple cells.

2. **Identify Characteristics of Emergences**:
- They are epidermal in origin.
- They are multicellular structures.
- They lack vascular tissues.
- They are often sharp, pointed, and stiff, resembling thorns or spines.

3. **Analyze the Options**:
- **Option A: Root Hair**: These are single-celled extensions of root epidermal cells, not multicellular outgrowths.
- **Option B: Stigmatic Papillae**: These are specialized structures on the stigma of flowers, not classified as emergences.
- **Option C: Prickles of Rosa Indica**: These are multicellular outgrowths on the stem of the rose plant, fitting the definition of emergences.
- **Option D: Oil Glands on Fruit Skins**: These are not multicellular outgrowths, but rather specialized structures for oil secretion.

4. **Select the Correct Answer**:
- Based on the analysis, the only option that fits the definition of emergences is **Option C: Prickles of Rosa Indica**.

5. **Final Statement**:
- Therefore, the correct answer is **Option C: Prickles of Rosa Indica**.