Question

Differentiation between light and dark reactions

Answer 1

Answer:

light reaction

1, requires presence of light

2, occurs in thylakoid membranes of grana and stroma lamellae

3, involves absorption of light energy and its conversion into chemical energy in the form of ATP and NADPH +H+

4, also called photo chemical reaction or Hill reaction Dark reaction :: doesnot requires presence of light,, occurs in stroma of chloroplasts,, utilises ATP and NADPH2for the fixation and reduction of CO2 form carbohydrates,, also called biosynthetic phase or blackman's reaction or calvin cycle.