Read the following Assertion and Reason and choose the correct option. Assertion: CO2 assimilation during photosynthesis is said to be of four main types Reason: Oxaloacetic acid is identified as 5 carbon inorganic acid

Step-by-step solution

CO2 assimilation during photosynthesis was said to be of two main types: those plants in which the first product of CO2 fixation is a C3 acid (PGA), i.e., the C3 pathway, and those in which the first product was a C4 acid (OAA), i.e., the C4 pathway.