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Which among the following is incorrect about Cyanobacteria?(a) The word cyano means greenish-blue because of which cyanobacteria is also called as blue-green algae(b) The colour of cyanobacteria is due to presence of chlorophyll(c) Cyanobacteria are chemosynthetic autotrophs(d) Cyanobacteria help in enriching oxygen levels in the atmosphereI have been asked this question by my school teacher while I was bunking the class.This key question is from Biological Classification in division Biological Classification of Biology – Class 11

Answer»

The correct answer is (c) CYANOBACTERIA are chemosynthetic autotrophs

To explain: Cyanobacteria CONTAIN chlorophyll which helps to perform PHOTOSYNTHESIS and in turn enrich the oxygen levels in the ATMOSPHERE. The word “cyano” in cyanobacteria means blue-green algae and therefore they are also CALLED as blue-green algae.



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