What are Cyanobacteria are classified under?
(a) Plantae
(b) Protista
(c) Algae
(d) Monera
Ans. The answer is the option (d) Monera.
Explanation: Cyanobacteria lack a well-defined nucleus and organized chromosomes; instead, they possess a single circular DNA molecule. Additionally, cell organelles such as mitochondria, chloroplasts, and the Golgi complex are absent in these bacteria.