In cockroach, eye consists of visual units called
| 1. | Ostia | 2. | Ommatidia |
| 3. | Gonapophyses | 4. | Spiracles |
Malpighian tubule are lined by
1. Glandular epithelium with ciliated cells
2. Simple epithelium and non-ciliated cells
3. Cutinised epithelium
4. Simple squamous epithelium
Hind wings in cockroach arises from
1. Prothorax
2. Mesothorax
3. Metathorax
4. Pronotum
| 1. | respiration is anaerobic |
| 2. | cockroach does not respire |
| 3. | oxygen goes directly into tissues by diffusion |
| 4. | oxygen goes into tissue by intracellular capillary system |
| 1. | 5 pairs | 2. | 8 pairs |
| 3. | 10 pairs | 4. | 12 pairs |