HORTICULTURE

Detailed explanation-1: -Blue-green algae or Cyanobacteria are photosynthetic bacteria and they are placed under kingdom Monera because they are unicellular, they show prokaryotic features like lack of a defined nucleus.

Detailed explanation-2: -Blue-green algae belong to the kingdom Protista.

Detailed explanation-3: -Bacteria belong to the prokaryotic kingdom Monera. These are unicellular and simple in structure, rod-like, spherical, or curved in shape and may carry out all of their activities within one cell.

Detailed explanation-4: -Monera are prokaryotic unicellular bacteria whose genetic material is dispersed loosely in the cell. On the other hand, the genetic material of plants and other eukaryotes is held in the cell nucleus. Therefore, blue green algae are placed in Kingdom Monera.

Detailed explanation-5: -Anabaena are blue-green algae that belong to the Kingdom Monera and contain a specialised cell in filaments known as heterocyst, which is responsible for .