Asseration : Cyanobacteria are photosynthetic autotrophs.
Reason : Cyanobacteria have chlorophyll a and b similar to green plants.
A. If both assertion and reason and true and reason is the correct explanation of assertion.
B. If both assertion and reason and true and reason is not the correct explanation of assertion.
C. If assertion is true but reason is false.
D. If both assertion and reason are false.