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