Select the odd one (wr.r.t wall layer of microsporanglum in flowering plants)

Options

A. Endothecium
B. Tapetum
C. Hilum
D. middle layers

Explanation

To solve the question of selecting the odd one out with respect to the wall layers of microsporangium in flowering plants, we can follow these steps:

### Step-by-Step Solution:

1. **Understand the Microsporangium**:
- The microsporangium is a pollen sac in flowering plants that produces microspores, which develop into pollen grains containing male gametes.

2. **Identify the Wall Layers of Microsporangium**:
...