Assertion: The NADP reductase enzyme is located on the stroma side of the membrane of thylakoid
Reason: During proton accumulation in lumen there is measurable decrease in pH in the stroma.
A. If both assertion and reason are true and the reason 1s the correct explanation of the assertion.
B. If both assertion and reason are true but reason is not the correct explanation of the assertion.
C. If assertion is true but reason is false.
D. If both assertion and reason are false.