Calculate the total uptake of carbon dioxide between 11.40 and 13.15 hours in trees exposed to full sun in a forest that is 12 000 m² in area - AQA - A-Level Biology - Question 5 - 2022 - Paper 3
Question 5
Calculate the total uptake of carbon dioxide between 11.40 and 13.15 hours in trees exposed to full sun in a forest that is 12 000 m² in area.
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Worked Solution & Example Answer:Calculate the total uptake of carbon dioxide between 11.40 and 13.15 hours in trees exposed to full sun in a forest that is 12 000 m² in area - AQA - A-Level Biology - Question 5 - 2022 - Paper 3
Step 1
Calculate the uptake per hour
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Answer
To find the total uptake of carbon dioxide, we first look at the data from Figure 8 for the time intervals from 11.40 to 13.15 hours.
Assuming the uptake is measured in micromoles per meter squared per hour (μmol/m²/h) and is approximately 5 μmol/m²/h for this interval, we can calculate the total uptake for the area:
Total uptake (μmol) = Uptake per meter squared × Area
Total uptake (μmol) = 5 μmol/m²/h × 12000 m² = 60000 μmol
Step 2
Convert to standard form
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Now, we convert the total uptake calculated into standard form: