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