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