Which of the Following Statements Concerning Photorespiration Is Not True

question 49

Multiple Choice

Which of the following statements concerning photorespiration is not true?

• A) High oxygen concentration and high temperatures promote photorespiration.
• B) Photorespiration is a serious problem of C4 plants in hot dry environments.
• C) When the rates of carbon dioxide release and fixation are equal, the carbon dioxide compensation point has been reached.
• D) Photorespiration is depressed by carbon dioxide concentrations above 0.2%.
• E) The lower the value of the carbon dioxide compensation point the less photorespiration takes place.