Young one of the cockroach is called-

Answer

**Step-by-Step Solution:**

1. **Understanding the Question**: The question asks for the term used to describe the young ones of a cockroach.

2. **Life Cycle of Cockroach**: The life cycle of a cockroach begins with an egg. This is the first stage in the development of a cockroach.

3. **Hatching of Eggs**: Once the eggs hatch, the young ones emerge. These young cockroaches are not yet in their adult form.

4. **Terminology for Young Cockroaches**: The young cockroaches that hatch from the eggs are specifically called "nymphs."

5. **Characteristics of Nymphs**: Nymphs differ from adult cockroaches in appearance. While adult cockroaches are typically a dull reddish color, nymphs are usually bright white.

6. **Conclusion**: Therefore, the young one of the cockroach is called a "nymph."

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