Post-UTME Biology 2008 Objective — Question 2
Question 2 of 15 from the Post-UTME Screening (Post-UTME) Biology 2008 Objective paper, with the correct answer and a full explanation.
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Pest can be controlled without the subsequent danger of polluting the ecosystem by
- A. Spraying the ecosystem with pesticide
- B. Keeping the population of natural enemies constant
- C. Increasing the population of natural enemies of the pestCorrect
- D. Eliminating the natural enemies of the pests
Explanation
Biological control (boosting natural predators) avoids the pollution risk of chemical pesticides.
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