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