MCQs Entomology-19 Posted on July 20, 2025August 30, 2025Author agropublishers 0 1. ______________ is the highest and most advanced form of social behavior in insects Communality Eusociality Semisociality Subsociality Quasisociality 2. Pest outbreaks are most likely to occur under which of the following conditions? Farmers switch to new crops Natural enemies are imported from abroad Crops are planted in monoculture 3. As consumers become less tolerant of insect-damaged fruits, how are economic thresholds for fruit pests most likely to change? Remain unchanged Increase Decrease Cannot be determined 4. Insect pathogens primarily belong to which of the following groups? Bacteria and protozoa Fungi and nematodes Viruses and bacteria Protozoa and fungi 5. 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 6. The insect order Hemiptera includes which of the following groups? Crickets and grasshoppers Roaches and mantids Bed bugs and stink bugs Chewing and sucking lice 7. Which radiation source is most commonly used to sterilize insects in Sterile Insect Technique (SIT)? X-rays Gamma rays Infrared radiation UV light 8. Chewing mouthparts are never found in which of the following insects? Beetles Bees Fleas Earwigs 9. Which of these insect orders is exclusively herbivorous? Odonata Trichoptera Phasmatodea Thysanoptera 10. __________ reflects the multiple feeding relationships among the organisms in an ecosystem Food Web None of these Food Chain Biotic Interactions Loading … Question 1 of 10
