13. Photosynthesis

The main product of photosynthesis is:

a) Glucose.

b) Oxygen.

c) Carbon dioxide.

d) Water.

e) Sunlight.

Which of the following reactants is reduced during the process of photosynthesis?

a) Oxygen gas.

b) Photons of light.

c) Carbon Dioxide.

d) Water.

Energy used to power photosynthesis & ultimately cellular respiration originates from which energy source?

a) Glucose.

b) ATP.

c) Carbon dioxide.

d) The sun.

Use the following choices to answer questions 6–8:

a. aerobic respiration

b. anaerobic respiration

c. anoxygenic photosynthesis

d. oxygenic photosynthesis

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List at least four groups of microorganisms that are photosynthetic.