How many times do nymphs moult to reach the adult form of cockroach?

Explanation

To determine how many times nymphs moult to reach the adult form of a cockroach, we can follow these steps:

### Step-by-Step Solution:

1. **Understanding Nymphs**: Nymphs are the juvenile forms of cockroaches. They resemble adults but are smaller and lack fully developed wings.

2. **Moulting Process**: Moulting, or ecdysis, is the process through which nymphs shed their exoskeleton to grow. This process is crucial for their development.

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