IGCSE O Level Biology MCQs – Practice Test for Exam Prep

Carbon Cycle and Fossil Fuels Multiple Choice Questions with Answers – PDF Download

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Carbon Cycle and Fossil Fuels MCQs PDF Download – Prep Test

MCQ 1: In carbon cycle, the flow of energy is:

linear
cyclical
reversible
irreversible

MCQ 2: Coal, natural gas and oil are forms of:

fossil fuels only
carbon compounds only
nitrogen compounds
fossil fuels and carbon compounds

MCQ 3: During respiration, the carbon dioxide (CO₂) is:

produced
released in the environment
absorbed
depleted

IGCSE O Level Biology MCQs App & e-Book – Carbon Cycle and Fossil Fuels Practice Tests

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