Why do we say .maize grain. instead of maize fruit or maize seed?

Explanation

**Step-by-Step Solution:**

1. **Understanding Maize Structure**: Maize (corn) is a type of plant that produces grains. The structure of maize includes a ripened ovary, which is part of the plant's reproductive system.

2. **Definition of Terms**:
- A **fruit** is typically defined as a ripened ovary that contains seeds.
- A **seed** is the fertilized ovule that develops into a new plant.

...