Given below are two statements, one is labelled as Assertion A and the other is labelled as Reason R
Assertion (A) : In C3 cycle, the first stable compound is 3C compound.
Reason (R) : In C4 plants Calvin cycle is absent.
In the light of the above statements, choose the correct answer from the options given below

Photosynthesis in higher plants involves the following processes:
This process occurs in the absence of light in the stroma of the chloroplasts. The following cycles are involved in the process: