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