Describe the structure of embryo in maize grain.

Explanation

### Step-by-Step Solution:

1. **Introduction to Maize Grain**:
- Maize grain is classified as a monocot seed. Monocot seeds can either be endospermic (containing endosperm) or non-endospermic. Maize is an example of an endospermic seed.

2. **Seed Coat**:
- The seed coat of maize is membranous and is generally fused with the fruit wall. This structure protects the seed.

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