The mode of arrangement of sepals or petals in a floral bud with respect to the other members of same whorl is known as

Options

A. Venation
B. Aestivation
C. Cohesion
D. Adhesion

Answer

To answer the question regarding the mode of arrangement of sepals or petals in a floral bud with respect to the other members of the same whorl, we can follow these steps:

### Step-by-Step Solution:

1. **Understanding the Question**: The question asks for the term that describes how sepals and petals are arranged in a floral bud relative to each other within the same whorl.

2. **Identifying Key Terms**: The key terms in the question are "arrangement," "sepals," "petals," "floral bud," and "whorl."

3. **Analyzing the Options**:
- **Vernation**: This term refers to the arrangement of leaves on a stem, not sepals or petals.
- **Astivation**: This term specifically refers to the arrangement of sepals and petals in a floral bud.
- **Cohesion**: This term refers to the union of similar parts, which does not apply here.
- **Adhesion**: This term refers to the union of different parts, which is also not relevant to the arrangement in a whorl.

4. **Selecting the Correct Answer**: Based on the analysis, the correct term that describes the arrangement of sepals and petals in a floral bud is **astivation**.

5. **Conclusion**: Therefore, the answer to the question is **astivation**.