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