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- Subject
- Entomologyagriculture-mcqs › entomology
- Published
- 28 Mar 2019
- Last updated
- 28 May 2026
Explanation
Aggregation pheromones are chemical signals that attract insects to assemble for purposes such as feeding and mating. In contrast, alarm pheromones trigger defensive behavior, sex pheromones specifically attract mates, and trail marking pheromones guide insects along paths.
More Entomology MCQs
Practice related questions from the same subject.
- 1.Which insect is primarily responsible for causing hopper burn in rice crops?
- 2.What is the reproductive process called where multiple offspring develop from a single fertilized egg?
- 3.What type of mouthparts do jassids, aphids, and bugs possess?
- 4.What are the external grooves that segment an insect's body called?
- 5.Which of the following statements accurately describes lac production?
- 6.Which organism is responsible for producing silk?
- 7.The Gurdaspur borer is known to be a pest that primarily affects which crop?
- 8.What type of mouthparts does the Sugarcane pyrilla possess?