Multiple choice

Which bacteria acts as biofertilisers?

  1. Bacteria

  2. Parasites

  3. Chlamydomonas

  4. Cyanobacteria

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Cyanobacteria (blue-green algae) are capable of fixing atmospheric nitrogen and are commonly used as biofertilizers in rice cultivation.