The pest which causes no significant damage but due to unjudious use of chemical they cause significant loss is called ?
Correct answer: B. Secondary pest
- A. Key pest
- B. Secondary pest
- C. Occasional pest
- D. Migrant pest
Explanation
A secondary pest is normally minor but becomes economically important after conditions such as indiscriminate insecticide use disturb natural enemies. This pesticide-induced change is why it is not classified as a primary key pest.
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