Difference Between Mitochondria and Chloroplasts: The following are the points of difference between Mitochondria and Chloroplasts. Mitochondria Chloroplasts Mitochondria are colourless cell organelles. Chloroplasts are green cell organelles. Mitochondria occur in plants, animals, protists and fungi. Chloroplasts occur in plants and some protists. The organelles are found in all cells of aerobic organisms. They are