The dorsal sclerites in Periplaneta americana are called as:
| 1. | Sternites | 2. | Tergites |
| 3. | Pleurites | 4. | Arthroidal membranes |
| Statement I: | Each thoracic segment in cockroach bears a pair of walking legs. |
| Statement II: | The first pair of wings arises from prothorax and they are called as tegmina. |