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