Multiple Choice
In which photosystem is water split to provide electrons during the light-dependent reactions of photosynthesis?
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9. Photosynthesis
Introduction to Photosynthesis
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Which of the following factors would have the greatest effect on the rate of photosynthesis in a plant?
A
The amount of nitrogen in the soil
B
The intensity of light the plant receives
C
The presence of wind near the plant
D
The color of the plant's pot
Verified step by step guidance1
Step 1: Begin by understanding the process of photosynthesis. Photosynthesis is the process by which plants convert light energy into chemical energy stored in glucose. It primarily depends on light, carbon dioxide, water, and chlorophyll.
Step 2: Evaluate each factor provided in the question. Consider how each factor might influence photosynthesis. For example, nitrogen in the soil is important for plant growth but does not directly affect the rate of photosynthesis.
Step 3: Focus on the intensity of light. Light intensity directly impacts the rate of photosynthesis because light provides the energy required for the light-dependent reactions of photosynthesis. Without sufficient light, the rate of photosynthesis decreases.
Step 4: Analyze the other factors. The presence of wind near the plant might affect transpiration and water loss but does not directly influence the photosynthetic rate. Similarly, the color of the plant's pot is unrelated to photosynthesis.
Step 5: Conclude that the intensity of light the plant receives has the greatest effect on the rate of photosynthesis, as it is a direct requirement for the process to occur efficiently.
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