Which of the following is not the primary function of stem?

Options

A. Conduction of water
B. Photosynthesis
C. Formation of branches
D. Bears flowers and fruits

Answer

**Step-by-Step Solution:**

1. **Identify the Functions of the Stem:**
- The stem has several primary functions, including:
- Keeping the plant upright.
- Supporting the branches, leaves, flowers, and fruits.
- Conducting water and minerals from the roots to the leaves.

2. **Understand Photosynthesis:**
- Photosynthesis is the process by which plants make their own food using sunlight, carbon dioxide, and water. This process primarily takes place in the leaves, where chlorophyll is present.

3. **Evaluate the Options:**
- The question asks which option is NOT a primary function of the stem.
- The options include:
1. Conducting water and minerals.
2. Photosynthesis.
3. Supporting branches.
4. Bearing flowers and fruits.

4. **Analyze Each Option:**
- **Option 1:** Conducting water and minerals - This is a primary function of the stem.
- **Option 2:** Photosynthesis - This is NOT a primary function of the stem; it occurs mainly in the leaves.
- **Option 3:** Supporting branches - This is a primary function of the stem.
- **Option 4:** Bearing flowers and fruits - This is also a primary function of the stem.

5. **Conclusion:**
- The option that is NOT a primary function of the stem is **photosynthesis**.

**Final Answer:**
Photosynthesis is not the primary function of the stem.

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