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