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