The graph below shows the relationship between the predicted and actual concentrations of chlorophyll a in phytoplankton - VCE - SSCE Biology - Question 8 - 2021 - Paper 1
Question 8
The graph below shows the relationship between the predicted and actual concentrations of chlorophyll a in phytoplankton.
Source: Fairooz Binti Johan et al., "Chlor... show full transcript
Worked Solution & Example Answer:The graph below shows the relationship between the predicted and actual concentrations of chlorophyll a in phytoplankton - VCE - SSCE Biology - Question 8 - 2021 - Paper 1
Step 1
A. The actual concentration of chlorophyll a was lower than the predicted concentration in all recorded measurements.
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Answer
This statement is true based on the graph, which shows that the actual concentrations of chlorophyll a were consistently below the predicted concentrations across all measurements.
Step 2
B. At 2.4 mg/L, actual concentration of chlorophyll a, the predicted concentration of chlorophyll a was 2 mg/L.
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This statement is false; according to the graph, at 2.4 mg/L, the predicted concentration is higher than the actual concentration.
Step 3
C. At 0.8 mg/L, the predicted concentration and the actual concentration of chlorophyll a were the same.
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This statement is true as per the data presented in the graph, indicating that both concentrations matched at this specific point.
Step 4
D. At zero predicted concentration of chlorophyll a, photosynthesis did not occur.
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This statement can be inferred as true because a zero predicted concentration suggests an absence of chlorophyll a, thus indicating no photosynthesis could occur.
