Carbon dioxide is needed for photosynthesis. Chlorophyll is needed for photosynthesis. Light is needed for photosynthesis. Water is needed for photosynthesis. (2 Scientists investigated the effect of light intensity on the rate of 0 4 . 2 photosynthesis. Figure 5 shows the scientists’ results. Figure 5 Describe the effect of increasing intensity on the rate of photosynthesis. You should include numbers from Figure 5 in your description. (3 marks) At a light intensity of 250 units, light is not a limiting factor of photosynthesis. 0 4 . 3 What is the evidence for this in Figure 5? (1 mark) Give two factors that could be limiting the rate of photosynthesis at 0 4 . 4 a light intensity of 250 units. Factor 1: Factor 2: (2 marks) AQA, 2014 0 5 Gardeners use greenhouses to help their plants grow faster.
Carbon dioxide is needed for photosynthesis. Chlorophyll is needed for photosynthesis. Light is needed for photosynthesis. Water is needed for photosynthesis. (2 0 4 . 2 Scientists investigated the effect of light intensity on the rate of photosynthesis. Figure 5 shows the scientists’ results. Figure 5 Describe the effect of increasing intensity on the rate of photosynthesis. You should include numbers from Figure 5 in your description. (3 marks) 0 4 . 3 At a light intensity of 250 units, light is not a limiting factor of photosynthesis. What is the evidence for this in Figure 5? (1 mark) 0 4 . 4 Give two factors that could be limiting the rate of photosynthesis at a light intensity of 250 units. Factor 1: Factor 2: (2 marks) AQA, 2014 0 5 Gardeners use greenhouses to help their plants grow faster.
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