AQA AS Water and Carbon Cycles

Which process is part of the long-term carbon cycle?

• Photosynthesis

• Respiration

• Weathering

• Combustion

Which of the following is an output in the drainage basin system?

• Precipitation

• Transpiration

• Infiltration

• Throughfall

Which is the largest store of carbon on Earth?

• Biosphere

• Atmosphere

• Ocean

• Lithosphere

What percentage of the water on Earth is fresh water?

• 3%

• 2%

• 5%

• 1%

Which of the following is a flow (transfer) in the drainage basin system?

• Interception

• Infiltration

• Evaporation

• Precipitation

True or false. There are 300 million trees in the Amazon rainforest.

• True

• False

Answer explanation

300 billion trees not 300 million!

Which one would NOT be a cause of a flashy hydrograph?

• Impermeable rocks underlying basin

• Steep slopes in basin

• Permeable rocks underlying basin

• High drainage density

What's the main river that runs through Carlisle?

• Greta

• Eden

• Ouse

• Paradise

How much carbon is stored in the Amazon rainforest?

• 70-80 GtC

• 90 - 110 GtC

• 80 - 120 GtC

• 100 - 140 GtC

Which of the following is a store in the drainage basin system?

• Infiltration

• Throughflow

• Percolation

• Interception