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