1) Animals take in carbon when they eat a) Protein b) Carbohydrate c) Fat d) Water 2) Respiration happen in... a) Animals b) Plants c) Microbes d) All of these 3) Bacteria and fungi which help dead things to rot are called a) Rotters b) Decayers c) Decomposers 4) The movement of carbon from one form to another is called... a) Osmosis b) Diffusion c) Carbon cycle d) Nitrogen cycle 5) Carbon is found locked inside some rocks such as a) Granite b) Marble c) Chalk d) Chalk and limestone 6) Carbon is found in the atmosphere as carbon dioxide. How much of the atmosphere is CO2? a) 0.04% b) 0.4% c) 4% d) 40% 7) Plants take in CO2 when they... a) Respire b) Photosynthesise 8) Decomposers, plants and animals all... a) Photosynthesise b) Respire 9) Fossil fules release CO2 when they burn. This is called... a) Respiration b) Fossilisation c) Combustion 10) CO2 is released by rocks when they react with... a) Global warming b) Acid rain c) CFCs 11) What is represented by A? a) Respiration b) Photosynthesis c) Combustion d) Decomposition 12) What is represented by B? a) Respiration b) Photosynthesis c) Combustion d) Decomposition 13) What is represented by C? a) Combustion b) Respiration c) Photosynthesis d) Decomposition 14) For decomposition to happen, microbes need... a) Oxygen b) Warmth c) Carbon dioxide d) Water e) 1,2 and 4 f) 1,3 and 4

Carbon cycle quiz

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