Which of these statements is true about chara?

Options

A. Oogonium and antheridium are present on different plants.
B. Oogonium is placed in the upper part and antheridium in the lower part
C. Oogonium is placed in the lower part and antheridium in upper part
D. Chara belongs to angiosperm

Answer

To solve the question "Which of these statements is true about Chara?", we will analyze each statement provided in the options and determine their validity based on the characteristics of Chara, a type of green algae.

### Step-by-Step Solution:

1. **Understanding Chara**:
- Chara is a genus of green algae that belongs to the division Chlorophyta and is classified under the class Charophyceae. It is often found in freshwater environments.

2. **Evaluating the Statements**:
- **Statement 1**: "Ogonium and Anthidium are present on different plants."
- This statement is **false**. In Chara, both the female reproductive organ (oogonium) and the male reproductive organ (antheridium) are found on the same plant.

- **Statement 2**: "Ogonium is placed in the upper part and Anthidium is in the lower part."
- This statement is **true**. In Chara, the oogonium is typically located at the upper part of the plant, while the antheridium is found in the lower part.

- **Statement 3**: "Ogonium is placed in the lower part and Anthidium is in the upper part."
- This statement is **false**. As previously mentioned, the oogonium is located in the upper part, not the lower part.

- **Statement 4**: "Chara belongs to angiosperms."
- This statement is **false**. Chara is an algae and does not belong to the angiosperms, which are flowering plants. Instead, it belongs to the group Thallophyta.

3. **Conclusion**:
- The only true statement about Chara is **Statement 2**: "Ogonium is placed in the upper part and Anthidium is in the lower part."

### Final Answer:
The correct answer is **Statement 2**.

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