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