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