Cyanobacteria contain chlorophyll, blue pigment, and chloroplasts membrane bound organelles mitochondria carotenoid pigments

Carotenoids. They serve as light harvesting pigments in photosynthesis and the protect against photooxidative damage.

carotenoid pigments is the correct answer.

Explanation:

Cyanobacteria contain chlorophyll, blue pigment, and carotenoid pigments.

Cyanobacteria are prokaryotic and autotrophic bacteria, they prepare their food by a process called photosynthesis.They do not have nucleus and organelles.In cyanobacteria has various types of pigment are present such as carotenoids, chlorophyll pigment, and phycobilin pigment.Cyanobacteria also called blue green algae.examples of cyanobacteria are Chroococcales,Oscillatoriales and Prochlorophyta, etc.

Thus, the correct answer carotenoid pigments.