A branch or a flower is developed in the axil of leaves by

Options

A. Apical bud
B. Axillary bud
C. Apical meristem
D. Shoot apical meristem

Answer

To solve the question "A branch or a flower is developed in the axil of leaves by," we will analyze the options provided and determine which one is correct.

### Step-by-Step Solution:

1. **Understand the Terms**:
- **Apical Bud**: This is the bud located at the tip of a stem or branch. It is responsible for the vertical growth of the plant.
- **Axillary Bud**: This is the bud located in the axil of a leaf, which is the angle between the leaf and the stem. It can develop into a branch or flower.
- **Apical Meristem**: This is a region of actively dividing cells at the tips of roots and shoots, contributing to the lengthening of the plant.
- **Shoot Apical Meristem**: This is a specific type of apical meristem found at the tip of the shoot, responsible for the growth of new leaves and stems.

2. **Analyze Each Option**:
- **Option 1: Apical Bud**: Incorrect. This bud is at the top of the plant and does not develop in the axil of leaves.
- **Option 2: Axillary Bud**: Correct. This bud is located in the axil of leaves and can develop into either a branch or a flower.
- **Option 3: Apical Meristem**: Incorrect. This is involved in the overall growth of the plant but not specifically in the axil of leaves.
- **Option 4: Shoot Apical Meristem**: Incorrect. Similar to apical meristem, it is involved in growth but does not relate to the axil of leaves.

3. **Conclusion**: The correct answer is **Option 2: Axillary Bud**. This is because axillary buds are specifically responsible for the development of branches or flowers in the axil of leaves.

### Final Answer:
A branch or a flower is developed in the axil of leaves by **Axillary Bud**.