McGraw-Hill Online Learning Center Test

McGraw-Hill Online Learning Center Test


1. Review the image and answer the following questions.

According to the data shown in this graph, what limits the rate of photosynthesis at low light intensities?

A. the amount of CO2 available
B. the amount of oxygen available
C. temperature
D. the amount of light available


2. According to this graph, what limits the rate of photosynthesis at high light intensities, when excess CO2 is provided?

A. temperature
B. Even when light and resources are maximal, and temperature is optimal, the rate at which the reactions can occur has a maximum shown on the graph.
C. too much light
D. None of these is correct.
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