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Post-UTME Biology 2018 Objective — Question 20

Question 20 of 20 from the Post-UTME Screening (Post-UTME) Biology 2018 Objective paper, with the correct answer and a full explanation.

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Which of the following may result in air pollution?

  • A. Incomplete combustion of fuelCorrect
  • B. Old vehicles
  • C. Sewage
  • D. Noise

Explanation

Incomplete combustion of fuel releases pollutants such as carbon monoxide and soot into the air, contributing to air pollution.

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