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