MCQs Entomology-25 Posted on August 22, 2025August 30, 2025Author agropublishers 0 1. Beetle mouthparts are generally of which type? Siphoning Chewing Sponging Piercing-sucking 2. The three main body regions of an insect are the head, thorax, and__________ Cephalon Abdomen Tergum Tagma 3. 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 4. What is the color of cockroach (Blattella germanica) eggs? White Brown Green Pink 5. Which beetle was famously used in ancient Egyptian religion and is a symbol of rebirth? Necrophila americana Meloe violaceus Lytta vesicatoria (Spanish Fly) Scarabaeus sacer (Sacred Scarab) 6. _____________ are the hardened, modified forewings of beetles Tegmina Elytra Halteres Scutella 7. 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 8. Which type of sensilla primarily functions as a chemoreceptor in insects? Trichoid sensilla Tympanal sensilla Basiconic sensilla Campaniform sensilla 9. Bed bugs belong to which insect order? Hemiptera Coleoptera Diptera Orthoptera 10. Beetles belong to which insect order? Lepidoptera Diptera Coleoptera Hemiptera Loading … Question 1 of 10
