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WAEC Biology 2016 Objective — Question 27

Question 27 of 50 from the West African Examinations Council (WAEC) Biology 2016 Objective paper, with the correct answer and a full explanation.

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27. The diagram below shows the effect of nitrate on water bodies. Study it carefully and answer question 27 to 29. The source of nitrates in the part labeled I is the A. root nodules of legumes B. cloud C. fertilizers D. organic matter

Diagram for question 27
  • A. root nodules of legumes
  • B. cloud
  • C. fertilizersCorrect
  • D. organic matter

Explanation

The source of nitrates in the soil may be from excessive use of fertilizers.

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