O-LevelBiologyEcology & Environment5090/11 · Oct/Nov 2016 · Q301 Mark

Which processes occur in the carbon cycle?

Aassimilation, decomposition, fixation and nitrification

Bcombustion, decomposition, nitrification and photosynthesis

Ccombustion, decomposition, photosynthesis and respiration

Dcondensation, evaporation and precipitation

✓ Correct answer

C: combustion, decomposition, photosynthesis and respiration

Oracle Prep sorts past-paper questions by topic, so you can drill Ecology & Environment and see which topics are most likely to come up next.

Topic: Ecology & Environment, O-Level Biology (syllabus 5090). Multiple choice, 1 mark.
Source: O-Level Biology, Oct/Nov 2016 Paper 1 Variant 1, question 30.

Questions and mark schemes are from past examination papers and remain the copyright of the exam board. How Oracle Prep builds its content