Asked in PPSC, FPSC and other one-paper exams (compiled from unofficial resources).
Cell Biology & MicroorganismsBacteria, Viruses & Microorganisms
Which of the following elements is fixed by cyanobacteria?
- A.Oxygen
- B.NitrogenCorrect answer
- C.Carbon
- D.Phosphorus
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Practice these MCQs in the appQuick fact: Cyanobacteria fix atmospheric Nitrogen into a usable form for plants and other organisms.