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