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