A flower which can be divided into two exactly equal halves by any vertical planes passing through centre is

Options

A. Zygomorphic
B. Actinomorphic
C. Perfect
D. Regular

Answer

To solve the question regarding the type of flower that can be divided into two exactly equal halves by any vertical plane passing through its center, we can follow these steps:

### Step-by-Step Solution:

1. **Understand the Question**: The question asks for a type of flower that exhibits a specific symmetry, which allows it to be divided into two equal halves by any vertical plane through its center.

2. **Identify the Types of Symmetry**:
- **Zygomorphic**: This type of flower can only be divided into two equal halves through one specific plane, indicating bilateral symmetry. Therefore, it does not meet the criteria of the question.
- **Axonomorphic**: This type of flower can be divided into two equal halves by any vertical plane passing through the center, indicating radial symmetry. This matches the requirement of the question.
- **Perfect Flower**: This refers to a flower that contains both male and female reproductive structures but does not specify symmetry. Thus, it is not relevant to the question.
- **Regular Flower**: This term generally refers to flowers where all parts (like petals and sepals) are similar in shape and size, but again, it does not specifically address the type of symmetry.

3. **Analyze the Options**:
- **Zygomorphic**: Incorrect, as it only allows division through one plane.
- **Axonomorphic**: Correct, as it allows division through any vertical plane.
- **Perfect Flower**: Incorrect, as it does not relate to symmetry.
- **Regular Flower**: Incorrect, as it does not specify the type of symmetry.

4. **Conclusion**: Based on the analysis, the flower that can be divided into two exactly equal halves by any vertical plane passing through the center is an **Axonomorphic flower**.

### Final Answer:
The flower which can be divided into two exactly equal halves by any vertical plane passing through the center is known as an **Axonomorphic flower**.

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