MCQs Entomology-30 Posted on November 29, 2025November 29, 2025Author agropublishers 0 MCQs Entomology-30 1. A species dependent on a behavior or condition for survival is —— Opportunistic Facultative Obligate Parasitic 2. Neonicotinoids are a class of insecticides chemically similar to nicotine. How do they primarily affect insects? Inhibiting mitochondrial respiration Disrupting molting and development Damaging the insect’s exoskeleton Blocking nerve signal transmission 3. The metathorax is the thoracic region that ——– Houses reproductive organs Has no appendages Bears forewings Bears hindwings 4. Which of the following insects possesses chewing-lapping type mouthparts adapted for processing both solid and liquid food? Butterfly Housefly Mosquito Honeybee 5. Incomplete metamorphosis results in an intermediate stage called ——– Pupa Chrysalis Larva Nymph 6. ———— are the organisms that are most active during the hours of darkness Nival Crepuscular Diurnal Nocturnal 7. Insects inhabiting rock surfaces are ——— Psammophilous Pelophilous Petricolous Muscicolous 8. In insects, imago refers to the ———– Adult stage Larval stage Pupal stage Immature stage 9. In insects, sclerotization is the process of softening the cuticle False True 10. In insects, the spermatheca is a sac in males used to store sperm False True Loading … Question 1 of 10