WAEC Biology 1993 Question 44

Question 44

Ecological Associations

Which of the following is the underlining principle in the adoption of biological control of pests?

  1. A.Knowledge of agricultural practices by the farmer
  2. B.Relationship between plants and animals
  3. C.The presence of poisonous chemicals in the farm
  4. D.The relative population of plants and animals in the farm
  5. E.The predator-prey relationship in the ecolcgical community
Show the answer and explanation

Answer: E (The predator-prey relationship in the ecolcgical community)

Explanation

Biological control works because predators and parasites feed on the pests.