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