MCQs Entomology-19 Posted on July 20, 2025August 30, 2025Author agropublishers 0 1. As consumers become less tolerant of insect-damaged fruits, how are economic thresholds for fruit pests most likely to change? Cannot be determined Increase Remain unchanged Decrease 2. ______________ is the highest and most advanced form of social behavior in insects Communality Eusociality Semisociality Subsociality Quasisociality 3. 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 The mating shortens the females’ lifespan Offspring inherit resistance to sterilization 4. Which of these insect orders is exclusively herbivorous? Phasmatodea Trichoptera Thysanoptera Odonata 5. Pest outbreaks are most likely to occur under which of the following conditions? Crops are planted in monoculture Farmers switch to new crops Natural enemies are imported from abroad 6. The insect order Hemiptera includes which of the following groups? Bed bugs and stink bugs Chewing and sucking lice Roaches and mantids Crickets and grasshoppers 7. Chewing mouthparts are never found in which of the following insects? Earwigs Beetles Fleas Bees 8. __________ reflects the multiple feeding relationships among the organisms in an ecosystem Food Web Food Chain None of these Biotic Interactions 9. Which radiation source is most commonly used to sterilize insects in Sterile Insect Technique (SIT)? Gamma rays UV light Infrared radiation X-rays 10. Insect pathogens primarily belong to which of the following groups? Protozoa and fungi Bacteria and protozoa Fungi and nematodes Viruses and bacteria Loading … Question 1 of 10
