Title: Factors Affecting The Rate Of Photosynthesis Biology Essay
Headings: Factors Affecting The Rate Of Photosynthesis Biology Essay
Factors Affecting The Rate Of Photosynthesis Biology Essay
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Aim
Hypothesis
Introduction
Apparatus needed for the Experiment
Light Intensity = 1 / Distance² (m)
Rate of the Reaction = 1 / Time (s)
Results
Molarity of NaHCO3
Light Intensity 1/d² (m)
0.00
(Distilled water)
0.01
0.02
0.05
0.07
Rate Of the Reaction = 1 / Time (s) x 1000
Molarity of NaHCO3
Light Intensity 1/d² (m)
0.00
(Distilled water)
0.01
0.02
0.05
0.07
Graph1.
Analysis & Discussion of Results
Analysis:
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Discussion:
Limitations and Improvement
Conclusion
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Content: The line goes up steadily but then between a light intensity of 300 and 400 levels off very quickly. This would suggest that at a 0.1M NaHCO3 is sufficient for the plant to photosynthesize at its maximum rate with its current environmental conditions. Increasing the NaHCO3 concentration after this level would therefore have no effect unless the next limiting factor was removed. Discussion: The hypothesis was that the rate of photosynthesis would increase if the light intensity and NaHCO3 levels were increased (please refer to Graph1). As the elodea absorbed the light and CO2 it produced oxygen gas which increased the pressure in the syringe