MCQs Entomology-22 Posted on August 6, 2025August 30, 2025Author agropublishers 0 1. What is the primary advantage of Insect Growth Regulators (IGRs) over conventional insecticides? Species-specific Action Long-term control Environmental safety Quick knockdown 2. Which of the following arthropod classes possesses a venom-injecting first pair of appendages? Insecta Crustacea Chilopoda Diplopoda 3. Which insect pest is known for causing damage to crops by chewing plant leaves? Aphids Whiteflies Caterpillars Thrips 4. The hypopharynx in insects is functionally most analogous to human ________- Lip Ear Nose Tongue 5. Which class of insecticides is known for its lower mammalian toxicity? Neonicotinoids Pyrethroids Carbamates Organophosphates 6. __________ deals with the study of the interactions between arthropods and their environment? Arachnology Environmental Science Ethology Ecology Entomology 7. Which insects exhibit ametabolous development? Beetles Butterflies Flies Silverfish 8. In houseflies (Musca domestica), the sponging-type mouthparts are specially adapted for________ Piercing plant or animal tissues Lapping nectar Chewing solid food Soaking up liquid or liquefied food 9. What is an example of a neonicotinoid insecticide? Permethrin Malathion Carbaryl Imidacloprid 10. What is the primary advantage of using biological insecticides? Cost-effectiveness Quick knockdown Environmental safety Long-term control Loading … Question 1 of 10
