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)? The females become permanently sterile Offspring inherit resistance to sterilization The mating shortens the females’ lifespan No viable offspring are produced 2. Which of these insect orders is exclusively herbivorous? Thysanoptera Trichoptera Phasmatodea Odonata 3. Chewing mouthparts are never found in which of the following insects? Beetles Earwigs Bees Fleas 4. ______________ is the highest and most advanced form of social behavior in insects Quasisociality Semisociality Subsociality Eusociality Communality 5. 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 6. As consumers become less tolerant of insect-damaged fruits, how are economic thresholds for fruit pests most likely to change? Decrease Cannot be determined Increase Remain unchanged 7. Insect pathogens primarily belong to which of the following groups? Protozoa and fungi Viruses and bacteria Fungi and nematodes Bacteria and protozoa 8. The insect order Hemiptera includes which of the following groups? Bed bugs and stink bugs Crickets and grasshoppers Chewing and sucking lice Roaches and mantids 9. __________ reflects the multiple feeding relationships among the organisms in an ecosystem Food Chain Biotic Interactions None of these Food Web 10. Which radiation source is most commonly used to sterilize insects in Sterile Insect Technique (SIT)? UV light Infrared radiation X-rays Gamma rays Loading … Question 1 of 10
