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ASMO Science 2022 - Level 1 (Grade 3-4) - School Round Question 10

ASMO Science · ASMO Science 2022 - Level 1 (Grade 3-4) - School Round

Question 10

Which of the following is not an advantage of biological control?
  1. It is not easy to get suitable predators.
  2. It does not cause air pollution.
  3. It saves time and labour.
  4. It does not build up resistance in the pests.
  5. None of the above.