Post-UTME Biology 2018 Objective — Question 16
Question 16 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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Use the diagram below (a carbon cycle showing CO2 in the atmosphere, Animals, Coal and Green plants, connected by labelled processes I, II and III) to answer this question and the next. In the diagram, what processes occur in I and II respectively?
- A. Combustion and precipitation
- B. Photosynthesis and respirationCorrect
- C. Precipitation and photosynthesis
- D. Respiration and photosynthesis
Explanation
In a carbon cycle diagram, green plants remove CO2 from the atmosphere via photosynthesis, while animals (and plants) return CO2 to the atmosphere via respiration.
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