Which is incorrect about compound leaf?

Options

A. Lamina is completely broken into distinct leaflets
B. Incision of lamina reaches upto the midrib
C. Midrib forms a common axis called rachis
D. It contains bud at the axil of leaflets

Answer

To determine which statement is incorrect about compound leaves, we will analyze each statement one by one.

### Step-by-Step Solution:

1. **Understanding Compound Leaves**:
- A compound leaf is a type of leaf where the leaf blade (lamina) is divided into multiple leaflets. Each leaflet can be considered as a smaller leaf.

2. **Analyzing the Statements**:
- **Statement 1**: "Lamina is completely broken down into distinct leaflets."
- This statement is correct. In a compound leaf, the lamina is indeed divided into separate leaflets.

- **Statement 2**: "The incision of the lamina reaches up to the midrib."
- This statement is also correct. The incisions or cuts in a compound leaf do extend to the midrib, which is the central vein of the leaf.

- **Statement 3**: "Midribs form a common axis called rachis."
- This statement is correct as well. In compound leaves, the rachis is the extension of the petiole that bears the leaflets, and it acts as a common axis for the leaflets.

- **Statement 4**: "It contains a bud at the axil of the leaflets."
- This statement is incorrect. In compound leaves, the bud is typically found at the base of the petiole (the twig), not at the axil of the leaflets. The axil of a leaflet does not contain a bud.

3. **Conclusion**:
- The incorrect statement about compound leaves is that it contains a bud at the axil of the leaflets.

### Final Answer:
The incorrect statement about compound leaves is: "It contains a bud at the axil of the leaflets."