NEET Botany Plant Kingdom Questions Solved

Algae are useful

  1. Because at least half of the total carbon dioxide fixation on Earth is carried out by algae through photosynthesis.
  2. Algae being photosynthetic can increase the level of dissolved oxygen in their immediate environment
  3. They are primary producers of energy rich compounds and form the basis of the food cycles of all aquatic animals
  4. All of the above
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