In a potato plant, food is manufactured in the leayes that are exposed to the Sun. This food is transported to the underground stem of the potato for storage. Which plant tissue is responsible for the movement of food molecules?

Options

A. Xylem
B. Phloem
C. Parenchyma
D. Fibers

Answer

To answer the question regarding which plant tissue is responsible for the movement of food molecules in a potato plant, we can follow these steps:

### Step-by-Step Solution:

1. **Identify the Process of Food Production**: In a potato plant, food is produced in the leaves through the process of photosynthesis. This process requires sunlight, carbon dioxide, and water.

2. **Understand the Role of Plant Tissues**: Plants have various types of tissues that perform specific functions. Two important types of vascular tissues are xylem and phloem.

3. **Differentiate Between Xylem and Phloem**:
- **Xylem**: This tissue is primarily responsible for transporting water and minerals from the roots to the rest of the plant. It does not transport food.
- **Phloem**: This tissue is responsible for the translocation of food (sugars and other organic molecules) produced in the leaves to other parts of the plant, including the underground stem where potatoes are stored.

4. **Bi-directional Movement of Food**: The movement of food in phloem is bi-directional, meaning it can move both upwards and downwards in the plant. This is essential for distributing food to various parts of the plant, including roots and storage organs.

5. **Conclusion**: Based on the above information, the plant tissue responsible for the movement of food molecules in a potato plant is **phloem**.

### Final Answer:
The plant tissue responsible for the movement of food molecules in a potato plant is **phloem**.

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