Botany - Photosynthesis in Higher Plants Question with Solution | TestHub

Algae are useful to man in a variety of ways. Algae are the most efficeint photosynthesizing organisms. At least a half of the total carbon dioxide fixation on earth is carried out by algae through photosynthesis. Being photosynthetic they increase the level of dissolved oxygen in their immediate environment. They are of paramount importance as primary producers of energy-rich compounds which form the basis of the food cycles of all aquatic animals.