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Question
Which one is the most primitive amongst the following?
Which one is the most primitive amongst the following?
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Solution
The correct option is A Cyanobacteria
Cyanobacteria are prokaryotic organisms who lack a membrane-bound nucleus and other membrane-bound organelles like mitochondria, chloroplasts. They also lack a true nucleus. They are thought to be primitive organisms because they possess an incipient nucleus and show division similar to amitosis. Amitosis is a method of cell division in which spindle fibres are not formed.Thus, the correct answer is 'Cyanobacteria.'
Cyanobacteria are prokaryotic organisms who lack a membrane-bound nucleus and other membrane-bound organelles like mitochondria, chloroplasts. They also lack a true nucleus. They are thought to be primitive organisms because they possess an incipient nucleus and show division similar to amitosis. Amitosis is a method of cell division in which spindle fibres are not formed.
Thus, the correct answer is 'Cyanobacteria.'
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