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