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