Multiple Choice
When the stomata in a leaf close during the day, then
A) carbon dioxide in the air spaces in the leaf decreases.
B) oxygen in the air spaces in the leaf increases.
C) C3 plants carry on photorespiration, using O2 and producing PGA and CO2.
D) all photosystems as well as photorespiration come to a halt.
E) All choices but the halting of photosystems are correct.
Correct Answer:

Verified
Correct Answer:
Verified
Q1: A product of photosynthesis,_,is the chief source
Q6: Create an experiment that tests this null
Q12: The light-dependent reactions of photosynthesis occur in
Q14: Which statement is NOT true about the
Q15: What is the ultimate destination for the
Q16: Which statement is NOT true about photosystems?
Q18: immediately becomes a six-carbon sugar that is
Q26: What are the end products of photosynthesis?<br>A)water
Q43: Which of the following statements about the
Q45: Fossil fuels are full of energy stored