Lesson T10.1.1
T10.1.1 The carbon cycle Quiz: KS3 Chemistry, Unit 10
20 questions
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Lesson T10.1.1, The carbon cycle: 20 multiple choice questions for the KS3 Chemistry (National Curriculum), Unit 10: Carbon cycle and atmosphere, written with Revision Ninja.
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The 20 questions
-
Which process removes carbon dioxide from the atmosphere?
- Respiration
- Photosynthesis
- Combustion
- Decomposition
-
Which process releases carbon dioxide into the atmosphere?
- Respiration
- Condensation
- Photosynthesis
- Filtration
-
Which Earth store holds the largest amount of carbon?
- Rocks and sediments
- Atmosphere
- Living trees
- Freshwater lakes
-
How does atmospheric carbon enter the oceans?
- Freezing into ice
- Dissolving in seawater
- Evaporating upwards
- Photosynthesising in clouds
-
How does carbon transfer from plants to herbivores?
- Excretion
- Feeding
- Transpiration
- Respiration
-
Which organisms return carbon from dead matter to the soil?
- Microorganisms
- Producers
- Carnivores
- Herbivores
-
Why is the carbon cycle described as a cycle?
- Continuous recycling
- Chemical creation
- Permanent storage
- One-way flow
-
Which process forms fossil fuels from dead organisms over long periods?
- Rapid combustion
- Direct evaporation
- Chemical weathering
- Burial and compression
-
What does photosynthesis do in the carbon cycle?
- Absorbs oxygen
- Removes carbon dioxide
- Produces methane
- Releases carbon dioxide
-
Which process turns marine shells into rock over long timescales?
- Thermal expansion
- Acid erosion
- Limestone formation
- Volcanic eruption
-
Which process is the main way carbon enters the atmosphere from living things?
- Erosion
- Respiration
- Condensation
- Photosynthesis
-
Which store holds carbon in coal, oil and natural gas?
- Igneous rocks
- Atmosphere
- Fossil fuels
- Living biomass
-
What is the main form of carbon that moves through the atmosphere?
- Carbon monoxide only
- Carbon dioxide
- Methane only
- Pure solid carbon
-
How does carbon move from plants to animals in a food chain?
- Feeding
- Photosynthesis
- Transpiration
- Respiration
-
Which process returns carbon to the atmosphere when wood is burned?
- Erosion
- Combustion
- Photosynthesis
- Deposition
-
What is the main effect of burying dead organisms in sediment?
- Increasing water vapour
- Locking carbon away
- Releasing carbon dioxide
- Creating atmospheric oxygen
-
Which carbon-containing compound do living things use as a source of energy?
- Nitrogen
- Glucose
- Argon
- Oxygen
-
Which gas do animals release into the atmosphere during respiration?
- Oxygen
- Nitrogen
- Hydrogen
- Carbon dioxide
-
Which store holds carbon in dead organic matter in the ground?
- Clouds
- Limestone
- Oceans
- Soil
-
Which interaction directly links plants to animals in the carbon cycle?
- Animals breathing air
- Animals eating plants
- Plants decaying underground
- Plants absorbing sunlight
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