(a) How are Parthenocarpic fruits produced by some plants and apomictic seeds by some others ? Explain.
(b) When do farmers prefer using apomictic seeds ?

Explanation

### Step-by-Step Solution

**(a) How are Parthenocarpic fruits produced by some plants and apomictic seeds by some others?**

1. **Understanding Parthenocarpic Fruits**:
- Parthenocarpic fruits are those that develop without fertilization. This means that the ovary of the flower develops into fruit without the need for the ovule to be fertilized by pollen.
- **Example**: A common example of a parthenocarpic fruit is the banana.

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