Chloroplasts of Spirogyra are coiled

Options

A. Vertically and left handed
B. Vertically and right handed
C. Transversely and left handed
D. Transversely and right handed.

Answer

**Step-by-Step Text Solution:**

1. **Identify the Organism**: The question refers to Spirogyra, which is a type of green algae. It is important to recognize that Spirogyra is characterized by its unique chloroplast structure.

2. **Understand the Structure of Chloroplasts**: In Spirogyra, the chloroplasts are not just simple organelles; they are arranged in a specific manner. They form a spiral shape around the vacuoles present in the cells of Spirogyra.

3. **Describe the Orientation of Chloroplasts**: The chloroplasts in Spirogyra are described as being "vertically" oriented. This means that they align in a vertical manner within the cell.

4. **Determine the Handedness of the Spiral**: The term "right-handed" refers to the direction in which the spiral coils. In the case of Spirogyra, the chloroplasts spiral in a right-handed direction.

5. **Combine the Findings**: Based on the observations, we conclude that the chloroplasts of Spirogyra are arranged vertically and spiral in a right-handed manner.

6. **Select the Correct Option**: Given the options provided, the correct answer is option B: "vertically and right-handed."

**Final Answer**: The chloroplasts of Spirogyra are vertically and right-handed.

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