MCQs Entomology-14 Posted on July 20, 2025August 30, 2025Author agropublishers 0 1. Systemic insecticides are absorbed by plants and kill insects via_____________ Physical suffocation Contact toxicity Ingestion after plant uptake Fumigation 2. The insect body is divided into three tagmata___________ Prosoma, mesosoma, metasoma Cephalon, pereon, pleon Head, cephalothorax, abdomen Head, thorax, abdomen 3. _____________ is the specialized food substance that, when fed to honey bee larvae, triggers their development into queen bees. Nectar Royal jelly Propolis Bee bread 4. Why do male insects attempt to mate with certain orchid flowers? The flowers trap insects to ensure pollination The flowers visually and/or chemically mimic female insects The flowers produce a sweet nectar reward The flowers release pheromones that repel predators 5. In insects, the head is formed by the fusion of ____________ segments. Four Eight Ten Six 6. The __________ insect order is the least susceptible to antifeedants due to generalized feeding habits Coleoptera Lepidoptera Diptera Orthoptera 7. The transfer of food energy from plants through a series of organisms with repeated consumption is termed as _____________ Biotic Potential Trophic Cascade Food Chain Food Web 8. Each body segment in arthropods has___________ Only a chitinous tergum A single sclerotized plate Fused pleura and sternites A dorsal tergum and ventral sternum 9. Chemicals that lure insects toward a host are called_________ Suppressants Deterrents Attractants Repellents 10. What percentage of known animal species belong to Arthropoda? 72% 91% 83% 65% Loading … Question 1 of 10
