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