Home Class 11 | Biology | Chapter 2 | Biological Classification A is group of related genera. The order B includes families like Felidae and Canidae. A is group of related genera. The order B includes families like Felidae and Canidae. Ruhul Amin Alig Tags Class 11 | Biology | Chapter 2 | Biological Classification Facebook Twitter Whatsapp Newer OlderNEET SURE shot Questions of PHYSICS | Get 50 Marks in just 15 hours= 15 topics