200 + Agriculture Questions and Answers for Students! 1. Crushing of food in insects is done by _____ (A) Rectal papilla (B) Crop (C) Proventriculus (D) All of these Ans. C 2. Insects have evolved from ______ (A) Annelids (B) Reptiles (C) Molluscs (D) Fishes Ans. A 3. Diflubenzuron is a derivative of _____ (A) […]