MCQs Entomology-19 Posted on July 20, 2025August 30, 2025Author agropublishers 0 1. Which radiation source is most commonly used to sterilize insects in Sterile Insect Technique (SIT)? UV light X-rays Gamma rays Infrared radiation 2. Chewing mouthparts are never found in which of the following insects? Earwigs Bees Beetles Fleas 3. ______________ is the highest and most advanced form of social behavior in insects Eusociality Semisociality Subsociality Quasisociality Communality 4. Which of these insect orders is exclusively herbivorous? Thysanoptera Trichoptera Phasmatodea Odonata 5. The insect order Hemiptera includes which of the following groups? Roaches and mantids Crickets and grasshoppers Chewing and sucking lice Bed bugs and stink bugs 6. As consumers become less tolerant of insect-damaged fruits, how are economic thresholds for fruit pests most likely to change? Cannot be determined Remain unchanged Decrease Increase 7. What is the primary outcome when sterile males mate with wild females in the Sterile Insect Technique (SIT)? No viable offspring are produced The females become permanently sterile Offspring inherit resistance to sterilization The mating shortens the females’ lifespan 8. Pest outbreaks are most likely to occur under which of the following conditions? Farmers switch to new crops Crops are planted in monoculture Natural enemies are imported from abroad 9. Insect pathogens primarily belong to which of the following groups? Fungi and nematodes Viruses and bacteria Protozoa and fungi Bacteria and protozoa 10. __________ reflects the multiple feeding relationships among the organisms in an ecosystem Food Web Food Chain Biotic Interactions None of these Loading … Question 1 of 10
