When two plants \( \mathrm{L} \) and \( M \) were exposed to different light intensities and tem...

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When two plants \( \mathrm{L} \) and \( M \) were exposed to different light intensities and temperatures, they showed changes in their rates of photosynthesis, which have been represented in the following graph.
The graph indicates that
(A) plant \( \mathrm{L} \) is a \( \mathrm{C}_{3} \)-plant for which the light saturation point is \( 100 \% \) of full sunlight
(B) plant \( M \) is a \( C_{4} \)-plant for which the optimum temperatrue is around \( 20^{\circ} \mathrm{C} \)
(C) plant \( \mathrm{M} \) is a \( \mathrm{C}_{3} \)-plant which is more affected at higher temperature and higher light intensity as compared to plant L
(D) plant \( \mathrm{L} \) is \( \mathrm{a} \mathrm{C}_{4} \)-plant and cannot function at light intensities above the saturation point
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