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WAEC Biology 2015 Objective — Question 21

Question 21 of 50 from the West African Examinations Council (WAEC) Biology 2015 Objective paper, with the correct answer and a full explanation.

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Which of the following processes removes carbon (IV) oxide from the atmosphere?

  • A. Burning fuels
  • B. Putrefaction
  • C. PhotosynthesisCorrect
  • D. Respiration in Plants

Explanation

Burning of fuels, putrefaction and respiration all release CO₂ into the atmosphere; photosynthesis, on the other hand, removes CO₂ from the atmosphere.

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