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