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