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