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