Which of the following statements true about Cyanobacteria C

Which of the following statements true about Cyanobacteria? Cyanobacteria ... are a diverse, polyphyletic group of bacteria. use chlorophyll a and release oxygen during photosynthesis. are the only group of autotrophic bacteria? can reproduce sexually. are obligate aerobes.

Solution

Ans. B and E

Cyanobacteria also known as blue green algae as it is blue green in color present in aquatic environment and produce its own food using chlorophyll a and release oxygen as a byproduct in splitting of water.

Other bacteria use H2S and hence doesn\'t release oxygen and also doesnot possess chlorophyll a.

Cyanobacteria are obligate parasites and prefer dilute carbon source