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