Evolution · Class 12 · CBSE · Science Biology
Which photosynthetic prokaryotes were the first organisms capable of utilizing water as an electron donor to release free molecular oxygen into Earth…
Practice question from Evolution (Class 12 · CBSE · Science Biology), with the correct answer and a step-by-step solution.
medium · MCQ · Q-4AE57E
Which photosynthetic prokaryotes were the first organisms capable of utilizing water as an electron donor to release free molecular oxygen into Earth's atmosphere?
- A.Eukaryotic green algae
- B.Anoxygenic purple sulfur bacteria
- C.Cyanobacteria (blue-green algae)Correct answer
- D.Primitive bryophytes
Solution
These microscopic prokaryotes are also known as blue-green algae and built ancient stromatolite formations.
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