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