Question

Cyanobacteria belongs to which kingdom?

Answer 1

Cyanobacteria are a group which belongs to photosynthetic bacteria, some of which are nitrogen-fixing, that live in a large area of moist soils and water either freely or in a symbiotic relationship with plants or lichen-forming fungi. They have a symbiont relationship hence; they can be called as symbiont bacteria.

Complete answer:
Cyanobacteria is also known as Cyanophyta, which is the phylum in Gram negative bacteria. That obtains energy from photosynthesis. The name cyanobacteria comes from blue-green algae. Cyanobacteria are prokaryotes. They appear to have originated from freshwater or a terrestrial environment.
Unlike other heterotrophic prokaryotes, cyanobacteria have internal membranes. These are flat bags known as thylakoids, which are used for photosynthesis. Such eukaryotes like-green plants perform photosynthesis in plastids. There are also endosymbiosis cyanobacteria which helps in chloroplasts and leucoplast formation.
A range of toxins known as cyanotoxins are produced by cyanobacteria, which can present a threat to humans and animals. The cyanobacteria are also important model organisms for the potential applications in the field of biotechnology, for bioethanol production, food colorings as a source of human and animal food and Dietary supplements and raw materials etc.
Cyanobacteria belongs to Kingdom Protista. In the five-kingdom classification it is known as Cyanophyta as we have already discussed. Cyanobacteria have different sub-groups based on their morphology. They can occur as unicellular or in colonies. Filamentous species are differentiated into vegetative cells, akinetes spores etc. cyanobacteria have their offspring by binary fission.

Note:
As we discussed the cyanobacteria and from which kingdom it belongs to, we discussed all the characteristics. Cyanobacteria are nothing but blue-green algae which helps in oxygen providers to symbiont plants. Examples of cyanobacteria are- Nostoc , Anabaena , Oscillatoria , Microcystis , Fat choy etc.