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