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