MCQs Entomology-25 Posted on August 22, 2025August 30, 2025Author agropublishers 0 1. The three main body regions of an insect are the head, thorax, and__________ Cephalon Tergum Tagma Abdomen 2. Bed bugs belong to which insect order? Hemiptera Diptera Orthoptera Coleoptera 3. Dung beetles primarily locate resources like dung by detecting specific volatile compounds emitted from the dung through _________________ Hygroreceptors on antennae Olfactory receptors on their antennae Thermoreceptors on legs Chemosensory palps only 4. _____________ are the hardened, modified forewings of beetles Tegmina Halteres Elytra Scutella 5. Beetles belong to which insect order? Hemiptera Coleoptera Lepidoptera Diptera 6. Which type of sensilla primarily functions as a chemoreceptor in insects? Basiconic sensilla Tympanal sensilla Trichoid sensilla Campaniform sensilla 7. What is the color of cockroach (Blattella germanica) eggs? White Pink Brown Green 8. The Malpighian tubules in many beetles are associated with rectal pads, allowing ____________ Synthesis of chitin precursors Gas exchange Hemocyanin production Selective resorption of water and ions 9. Which beetle was famously used in ancient Egyptian religion and is a symbol of rebirth? Lytta vesicatoria (Spanish Fly) Scarabaeus sacer (Sacred Scarab) Necrophila americana Meloe violaceus 10. Beetle mouthparts are generally of which type? Piercing-sucking Chewing Siphoning Sponging Loading … Question 1 of 10
