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Question

Which one of the following living organisms completely lacks a cell wall?

A
Cyanobacteria
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B
Sea - fan (Gorgonia)
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C
Saccharomyces
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D
Blue- green alga
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Solution

The correct option is B Sea - fan (Gorgonia)
Gorgonia (sea fan) belongs to the animal kingdom and phylum Coelenterata. All animal cells do not have a cell wall
Blue green alga (cyanobacteria) belong to the kingdom Monera and their cell wall is made up of peptidoglycan.
Saccharomyces belong to the kingdom fungi and their cell wall is made up of chitin.


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