MCQs Entomology-17 Posted on July 20, 2025August 30, 2025Author agropublishers 0 1. Chitin is a key structural component in which of the following insect structures? Cuticle Eggshell Basement membrane Hypodermis 2. __________ is used most commonly to sterilise insects in the laboratory CO 60 (Cobalt-60) CO 50 (Cobalt-50) CO 45 (Cobalt-45) CO 55 (Cobalt-55) 3. What is the primary goal of the Sterile Insect Technique (SIT)? Increase insect populations for pollination Genetically modify insects for disease resistance Enhance insect fertility for laboratory studies Reduce pest populations through sterile male releases 4. The pterothorax refers to ____________ Wing-bearing thoracic segments Leg-bearing segments Thorax + abdomen Head + thorax 5. The assemblage of all nematode population of an area is called_________________ Nematode ecosystem Nematode population Nematode community Nematode habitat 6. Currently, genetically modified organisms (GMOs) include__________ All of these Production of vaccines Insect-resistant plants expressing the Bacillus thuringiensis (Bt) endotoxin gene Enhanced microbial pesticides, e.g., baculoviruses expressing scorpion toxin genes Glyphosate (Roundup) resistant plants 7. Which of the following are bee products? Royal jelly Bee wax Bee venom All of these 8. ___________ is the most suitable trap crop for the Diamondback Moth (DBM) in cabbage Okra Mustard Castor Tomato 9. A honey extractor works on the principle of __________ for honey extraction Centrifugal force Gravitational force Electrostatic force Rotational force 10. A worker honey bee has _______ wax glands 8 12 6 4 Loading … Question 1 of 10
