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