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