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