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