MCQOPTIONS
Saved Bookmarks
| 1. |
Which is common amongst Fly, Mosquito and Cockroach [CPMT 1996] |
| A. | Open exretory system |
| B. | Two pairs of wings |
| C. | All belong to class insecta |
| D. | 13-chambered heart |
| Answer» D. 13-chambered heart | |