Question

where do the light independent reactions (or the calvin cycle) take place within the chloroplast?
thylakoid
stroma
mitochondria

Explanation:

The light - independent reactions (Calvin Cycle) occur in the stroma of the chloroplast. The thylakoid is where the light - dependent reactions take place. Mitochondria are involved in cellular respiration, not photosynthesis (the process where the Calvin Cycle occurs).

Answer:

Stroma