Direction for: In each of the following questions a statement of Assertion is given followed by a corresponding statement of Reason just below it. Of the statements mark the correct answer as
Assertion: The true nucleus is generaly absent in E. coli and other prokaryotes Reason: An undifferentiated, unorganized fibrillar nucleus without any limiting membrane is observed in prokaryotic cellsA) If both Assertion and Reason are true and Reason is the correct explanation of the Assertion.
B) If both Assertion and Reason are true but the Reason is not the correct explanations of Assertion.
C) If Assertion is true, but Reason is false.
D) If both Assertion and Reason are false.
Correct Answer: A
Solution :
E. coli is a well-studied prokaryotic cell. Prokaryotic cell lacks true nucleus and membrane bound organelles like mitochondria. Chloroplast, E.R., Golgi body etc. There are an undifferentiated, unorganised fibrillar nucleus without any nuclear membrane in prokaryotic cells. The genetic material of prokaryotic cell is dispersed in cytoplasm and is known as nucleoid.
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