Multiple choice

Which of the following are blue green bacteria?

  1. Eubacteria

  2. Cynobacteria

  3. Actinobacteria

  4. Archaebacteria
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Blue-green bacteria are correctly called Cyanobacteria. While option B says 'Cynobacteria', this is clearly the intended answer despite the typo. Cyanobacteria are photosynthetic bacteria formerly known as blue-green algae.

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