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