Question

The volume of O2 librated in photosynthesis has the following ratio to CO2 .

(A) O2 /CO2 = 1

(B) O2 /CO2 = 1/2

(C) O2 /CO2 = 2/1

(D) O2 /CO2 = 3/1

Answer 1

(A) O2 /CO2 = 1