Photosynthetic pigments are located on the

Options

A. inner membrane
B. thylakoid membrane
C. thylakoid lumen
D. outer membrane

Answer

To determine where photosynthetic pigments are located, we need to analyze the structure of chloroplasts, which are the organelles responsible for photosynthesis in plant cells.

### Step-by-Step Solution:

1. **Understanding Chloroplast Structure**:
- Chloroplasts are double membrane-bound organelles found in plant cells. They consist of an outer membrane and an inner membrane, creating an intermembrane space between them.

2. **Identifying the Thylakoid System**:
- Inside the chloroplast, there is a complex system of membranes known as thylakoids. These thylakoids are arranged in stacks called grana, resembling coins.

3. **Locating Photosynthetic Pigments**:
- The photosynthetic pigments, primarily chlorophyll, are embedded in the thylakoid membranes. These pigments are crucial for capturing light energy during photosynthesis.

4. **Clarifying Other Components**:
- The thylakoid lumen is the internal space of the thylakoid, while the stroma is the fluid matrix surrounding the thylakoids within the chloroplast. However, the pigments are specifically located in the thylakoid membranes, not in the lumen or stroma.

5. **Conclusion**:
- Therefore, the correct answer to the question is that photosynthetic pigments are located on the **thylakoid membrane**.