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Consider the Following Facts: CO2 and Light Energy

Question 36

Multiple Choice

Consider the following facts: CO2 and light energy are needed in chloroplasts to carry out photosynthesis.
Light heats up leaves when it is absorbed.
CO2 enters leaves and water evaporates from leaves through open stomata.
Water evaporating from a surface cools that surface.
Based on these facts, one can conclude that


A) light absorption by leaves causes stomatal closure to reduce water loss.
B) leaves in high levels of light will keep their stomata closed more than leaves in shade.
C) CO2 uptake by leaves in a low CO2 environment will be greater than CO2 uptake in a high CO2 environment.
D) large leaves can be damaged by light-induced overheating if they have too few open stomata.
E) leaves that are in a high CO2 environment need to develop more chloroplasts to avoid damage.

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