Question

Each thoracic segment of cockroach has:

• A. a pair of wings
• B. a pair of legs
• C. a pair of spiracles
• D. both legs and wings

Answer 1

The correct option is B

a pair of legs

The head is connected with thorax by a short extension of the prothorax known as the neck. Each thoracic segment bears a pair of walking legs
Thoracic segments have only 2 pairs of wings.The first pair of wings arises from mesothorax and the second pair from metathorax.
Thoracic segments have only 2 pairs of spiracles. One pair of these in between prothorax and the other between mesothorax and metathorax upon respective pleurites.