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