MCQs Entomology-23 Posted on August 7, 2025August 30, 2025Author agropublishers 0 1. In _________ development, there is simply a gradual increase in the size of young insect until adult dimensions are attained Holometabolous None of these Ametabolous Hemimetabolous 2. __________ is the silkworm species known for producing eri silk Bombyx mori Antheraea mylitta Samia ricini 3. In houseflies, the sponging mouthparts are primarily formed by_________ Labium with labella Labrum Maxillae Mandibles 4. __________ are a class of insecticides that are chemically similar to nicotine and act on the nervous system of insects Carbamates Organophosphates Pyrethroids Neonicotinoids 5. What is the best example of a physical pest control method? Hand-picking insects Using insecticides Introducing natural predators Crop rotation 6. Which class of insecticides is known for its toxicity to mammals? Carbamates Organophosphates Neonicotinoids Pyrethroids 7. What are the most important vectors of human diseases? Mosquitoes Fleas Cockroaches Moths 8. Which class of insecticides is derived from chrysanthemum flowers? Neonicotinoids Carbamates Organophosphates Pyrethroids 9. A tormogen cell is always associated with a(n)___________ Seta Spine Apodeme Gland 10. In insects, Basiconic sensilla are typically located on the __________ Thorax Antennae Wings Legs Loading … Question 1 of 10
