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