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Carbon Cycle and Fossil Fuels MCQ with Answers PDF Download

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Biology: Carbon Cycle and Fossil Fuels MCQs PDF Download

MCQ: In carbon cycle, the flow of energy is

A) linear
B) cyclical
C) reversible
D) irreversible

MCQ: Coal, natural gas and oil are forms of

A) fossil fuels only
B) carbon compounds only
C) nitrogen compounds
D) fossil fuels and carbon compounds

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

A) produced
B) released in the environment
C) absorbed
D) depleted

Practice Tests: O Level Biology Exam Prep

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