Statement A: The number of mitochondria in a cell does not correspond to the function of the cell. Statement B: Mitochondria are common to both plant and animal cells.
The number of mitochondria per cell varies according to the function and the volume of the cells, there may be 50-5000 mitochondria in a cell. The number may reach up to 5,00,000 in some kind of Protozoa. They are found both in plant and animal cells.