Maximum number of chloroplasts in a single cell of Spirogyra is

Options

A. Four
B. Sixteen
C. One
D. Six.

Answer

To solve the question regarding the maximum number of chloroplasts in a single cell of Spirogyra, we can follow these steps:

### Step-by-Step Solution:

1. **Identify the Organism**: Recognize that Spirogyra is a type of green algae belonging to the class Chlorophyceae.

2. **Understand the Role of Chloroplasts**: Chloroplasts are the organelles responsible for photosynthesis in plant cells, including algae like Spirogyra.

3. **Research the Number of Chloroplasts**: It is important to know that the number of chloroplasts can vary in different species and even within a single species. For Spirogyra, the number of chloroplasts can range.

4. **Determine the Maximum Number**: Based on biological studies, it has been established that the maximum number of chloroplasts in a single cell of Spirogyra can be up to 16.

5. **Choose the Correct Option**: Given the options provided (4, 16, 1, and 6), the correct answer is 16, as it represents the maximum number of chloroplasts found in a single cell of Spirogyra.

### Final Answer:
The maximum number of chloroplasts in a single cell of Spirogyra is **16**.

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