MCQs Entomology-23 Posted on August 7, 2025August 30, 2025Author agropublishers 0 1. What are the most important vectors of human diseases? Mosquitoes Fleas Moths Cockroaches 2. A tormogen cell is always associated with a(n)___________ Apodeme GlandĀ Spine Seta 3. In insects, Basiconic sensilla are typically located on the __________ Wings Thorax Legs Antennae 4. Which class of insecticides is known for its toxicity to mammals? Carbamates Neonicotinoids Pyrethroids Organophosphates 5. What is the best example of a physical pest control method? Introducing natural predators Using insecticides Hand-picking insects Crop rotation 6. Which class of insecticides is derived from chrysanthemum flowers? Organophosphates Neonicotinoids Carbamates Pyrethroids 7. In houseflies, the sponging mouthparts are primarily formed by_________ Labrum Labium with labella Mandibles Maxillae 8. __________ is the silkworm species known for producing eri silk Bombyx mori Antheraea mylitta Samia ricini 9. __________ are a class of insecticides that are chemically similar to nicotine and act on the nervous system of insects Carbamates Neonicotinoids Organophosphates Pyrethroids 10. 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 Loading … Question 1 of 10