Refer to the graph below showing the results of Bjorkman and colleagues studies
ID: 279402 • Letter: R
Question
Refer to the graph below showing the results of Bjorkman and colleagues studies of plant responses to different light levels. The plants were reared at three different levels of light intensity: high (red line), medium (blue line), and low (green line). The acclimatized plants were then subjected to various light levels, and their ability to photosynthesize was measured.
B. those acclimatized to medium-intensity light
C. those acclimatized to low-intensity light
D. both a and b
Growth light environment 920 umol/m2s 40 -- 290 umol/m2ls 92 ?mol/m2/s 30 £ 20 0 500 1,000 1,500 2,000 Incident light (umol/m2/s)Explanation / Answer
Hi Answer:
The answer will be the option A [those acclimatized to high-intesity light]
At the light intensity of 1,500 ?mol/m2/s,the plants which are rared at the high light intesnity will feel light-limitation because the photosynthesis is carried out at the light intensity of 4800 -8100 ?mol/m2/s. So the answer will be option A.
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