MCQs Entomology-19 Posted on July 20, 2025August 30, 2025Author agropublishers 0 1. Insect pathogens primarily belong to which of the following groups? Fungi and nematodes Bacteria and protozoa Viruses and bacteria Protozoa and fungi 2. What is the primary outcome when sterile males mate with wild females in the Sterile Insect Technique (SIT)? Offspring inherit resistance to sterilization The mating shortens the females’ lifespan The females become permanently sterile No viable offspring are produced 3. Which radiation source is most commonly used to sterilize insects in Sterile Insect Technique (SIT)? Gamma rays Infrared radiation UV light X-rays 4. The insect order Hemiptera includes which of the following groups? Roaches and mantids Bed bugs and stink bugs Chewing and sucking lice Crickets and grasshoppers 5. ______________ is the highest and most advanced form of social behavior in insects Subsociality Communality Quasisociality Semisociality Eusociality 6. Chewing mouthparts are never found in which of the following insects? Bees Earwigs Fleas Beetles 7. As consumers become less tolerant of insect-damaged fruits, how are economic thresholds for fruit pests most likely to change? Increase Decrease Cannot be determined Remain unchanged 8. 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 9. __________ reflects the multiple feeding relationships among the organisms in an ecosystem Biotic Interactions None of these Food Web Food Chain 10. Which of these insect orders is exclusively herbivorous? Phasmatodea Thysanoptera Odonata Trichoptera Loading … Question 1 of 10
