Various factors affect the rate of photosynthesis: • light intensity • temperature • carbon dioxide concentration Which one of the factors above is likely to limit the rate of photosynthesis of tomato plants? Explain your answer

Light intensity.

Explanation:

Light intensity is the amount of light produced by light source.

Light intensity is a limiting factor that limit the rate of photosynthesis. Without light photosynthesis cannot occur even if there is enough carbondioxide, water and temperature. Increase in light intensity will increase the rate of photosynthesis and more tomatoes will be produced. But if light intensity is reduced, rate of photosynthesis will reduced.

carbon dioxide concentration

Explanation:

Carbon dioxide is the major limiting factor that has a direct effect on the tomato plants during the process of photosynthesis. Photosynthesis is a process in which carbon dioxide react with water in the presence of sunlight which produces oxygen and glucose. Some oxygen is used by the plant itself while the extra amount is released in the atmosphere and glucose is stored in different parts of plant body. If the carbon dioxide concentration decreases in the surrounding air of tomato plant as a result low sugar is produced in the process of photosynthesis.

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answer: collecting information/data

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answer: substrate concentration. enzymes work best when there is a high enough substrate concentration for the reaction they catalyse.