Tegmina in cockroach is the :

Options

A. Dorsal sclerite
B. Ventral sclerite
C. Second pair of wings
D. First pair of wings

Answer

**Step-by-Step Solution:**

1. **Understanding the Structure of Cockroaches**: Cockroaches have two pairs of wings, which are essential for their flight and protection. The wings are categorized based on their origin and function.

2. **Identifying the Pairs of Wings**:
- The **first pair of wings** is known as the **forewings**.
- The **second pair of wings** is referred to as the **hind wings**.

3. **Defining Tegmina**: The term **Tegmina** specifically refers to the first pair of wings in cockroaches. These wings are characterized by their opaque, dark, and leathery texture.

4. **Function of Tegmina**: The Tegmina serve primarily to protect the hind wings and the body of the cockroach. They are not primarily used for flight, as the hind wings are transparent and membranous, facilitating actual flight.

5. **Clarifying Incorrect Options**:
- The **dorsal sclerite** is known as **tergum**.
- The **ventral sclerite** is known as **sternum**.
- Therefore, the options referring to dorsal and ventral sclerites are incorrect.

6. **Conclusion**: Based on the definitions and functions discussed, the correct answer to the question is that **Tegmina in cockroach is the first pair of wings**.

**Final Answer**: Tegmina in cockroach is the first pair of wings.

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