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Question
Blackman demonstrated that increasing illumination increased the photosynthetic rate upto a point when CO2 become limiting. If light was not limiting, temperature become limiting. Emerson found that maximum CO2 fixation could be achieved with brief flashes of light. Choose the correct statement from the following.
Blackman demonstrated that increasing illumination increased the photosynthetic rate upto a point when CO2 become limiting. If light was not limiting, temperature become limiting. Emerson found that maximum CO2 fixation could be achieved with brief flashes of light. Choose the correct statement from the following.
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Solution
The correct option is D Only one factor can be limited in photosynthesis.
Blackman proposed the law of limiting factors in 1905. According to this law, when a process depends on a number of factors, its rate is limited by the pace of the slowest factor. Blackman's law of limiting factors determines the rate of photosynthesis. Emerson found that maximum CO2 fixation could be achieved with brief flashes of light. From both observations we can say that only one factor can be limiting in photosynthesis at a time.
Blackman proposed the law of limiting factors in 1905. According to this law, when a process depends on a number of factors, its rate is limited by the pace of the slowest factor. Blackman's law of limiting factors determines the rate of photosynthesis. Emerson found that maximum CO2 fixation could be achieved with brief flashes of light. From both observations we can say that only one factor can be limiting in photosynthesis at a time.
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