The correct option is A light – independent reaction enzymes
Stroma, refers to the colorless fluid surrounding the grana within the chloroplast.
The light independent reaction takes place in the stroma. Hence in higher plants, enzymes for light – independent reaction are present in the stroma of chloroplasts. It also contains chloroplast DNA, ribosomes and starch.
Chlorophyll and the other plant pigments found in the thylakoid sacs of the chloroplast.