Which of the following statements is/are INCORRECT? I. Light saturation for…
Biology · NEET · NTA Exams — Photosynthesis in Higher Plants
I. Light saturation for photosynthesis occurs at about 50% of full sunlight intensity.
II. C3 plants respond to increased CO2 concentration by showing increased rates of photosynthesis up to saturation beyond 450 µlL⁻¹.
III. The current atmospheric CO2 level is a limiting factor for C4 plants but not for C3 plants.
IV. At low light conditions, neither C3 nor C4 plants respond to high CO2 conditions.
V. The principle that the rate of a process is determined by the factor nearest to its minimal value is known as Blackman’s Law of Limiting Factors.
Choose the correct option from the following:
- I and III only
- I, II and IV only
- II, III and V only
- III, IV and V only
Answer
(C) II, III and V only
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