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