MCQs Entomology-19 Posted on July 20, 2025August 30, 2025Author agropublishers 0 1. 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 2. ______________ is the highest and most advanced form of social behavior in insects Communality Quasisociality Eusociality Semisociality Subsociality 3. What is the primary outcome when sterile males mate with wild females in the Sterile Insect Technique (SIT)? The mating shortens the females’ lifespan Offspring inherit resistance to sterilization No viable offspring are produced The females become permanently sterile 4. 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 5. Insect pathogens primarily belong to which of the following groups? Bacteria and protozoa Viruses and bacteria Protozoa and fungi Fungi and nematodes 6. Chewing mouthparts are never found in which of the following insects? Earwigs Fleas Beetles Bees 7. Which of these insect orders is exclusively herbivorous? Thysanoptera Trichoptera Odonata Phasmatodea 8. __________ reflects the multiple feeding relationships among the organisms in an ecosystem Biotic Interactions Food Web Food Chain None of these 9. Which radiation source is most commonly used to sterilize insects in Sterile Insect Technique (SIT)? Gamma rays UV light X-rays Infrared radiation 10. 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 Loading … Question 1 of 10
