9. Photosynthesis

Which of the following terms is correctly matched with the stage of photosynthesis it describes?

For a primary producer, the main function of photosynthesis is to manufacture:

In which of the following regions are photosynthetic organisms absent?

In the context of photosynthesis and the greenhouse effect, where does the energy that drives the greenhouse effect primarily originate?

Which characteristic is shared by both photosynthesis and cellular respiration?

Which of the following statements about stomata is accurate?

During photophosphorylation, the pH of the thylakoid interior will be _______________.

Which of the following best describes how light intensity and distance from a light source affect the rate of photosynthesis in plants?

What term is used to describe organisms that obtain their energy by eating only plants?

Which type of organism uses sunlight as an energy source and carbon dioxide as a carbon source (example: cyanobacteria)?

Which of the following are the main outputs of photosynthesis in plants?

Which of the following processes does NOT produce carbon dioxide ($\mathrm{CO_2}$)?

Why is it difficult to determine the optimal concentration of CO$_2$ for photosynthesis when light intensity is very low?

How are the inputs and outputs of photosynthesis and cellular respiration related to one another?

Which of the following best compares the raw materials of photosynthesis to the products of cellular respiration?