Question

the light dependent reactions take place in the
a matrix of the mitochondria.
b stroma of the chloroplast.
c stroma of the mitochondria.
d thylakoid of the chloroplast.

Explanation:

Light-dependent reactions are part of photosynthesis, occurring in chloroplasts. Thylakoids contain chlorophyll, the site of these reactions. Mitochondria (A, C) are for respiration; stroma (B) is for light-independent reactions.

Answer:

D. thylakoid of the chloroplast.