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