Diagrams Charts and Graphs Eco Review

What does the trend in this graph about photosynthesis show?

• As the light intensity increases, so does the rate of photosynthesis - a positive correlation

• There is no correlation

• As the rate of photosynthesis increases, this leads to an increase in light intensity

• At first as the light intensity increases, so does the rate of photosynthesis, but after the optimum light intensity no further increase in the rate of photosynthesis is seen

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What does this graph show?

• That the rate of photosynthesis is highest when levels of carbon dioxide and light are both low

• That the rate of photosynthesis is highest when levels of carbon dioxide and light are both high

• That the rate of photosynthesis is highest when levels of carbon dioxide are high and light levels are low

• That the rate of photosynthesis is highest when levels of carbon dioxide are low and light levels are high

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What trends do we see in this graph?

• That the highest level of energy is supplied in the first minute of running at full speed for both aerobic and anaerobic respiration

• That the highest level of energy is supplied in the first minute of running at full speed for anaerobic respiration but not aerobic respiration

• That the highest level of energy is supplied in the first minute of running at full speed for aerobic respiration but not anaerobic respiration

• That the highest level of energy is not supplied in the first minute of running at full speed for either anaerobic respiration or aerobic respiration

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What is the cause of the shape of this graph?

• The molecules collide more as the temperature increases

• The rate of reactions increases slowly with the initial increase in temperature and then decreases after the optimum temperature is reached

• There is a positive correlation between temperature and rate of reaction

• Above the optimum temperature, enzymes in any reaction will denature and this will reduce and then stop the rate of reaction

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Tick ALL the boxes that are true about this graph

• The rate of respiration and photosynthesis and respiration are the same at about 9am and 7pm

• The rate of photosynthesis reaches its peak between about 2pm and 4pm

• Respiration happens continuously throughout the day

• Photosynthesis is at its lowest between 10pm and 10am

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