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