What are the characteristics of prokaryotic cells?
Assertion (A): Cells can be classified based on the presence or absence of membrane-bound nucleus. Reason (R): Cells that lack membrane bound nuclei are called eukaryotic whereas cells that have membrane bound nuclei are prokaryotic.
Correct answer: C — If assertion is true but reason is false.
The Assertion is true - NCERT does classify cells based on nuclear organization. However, NCERT states “Cells that have membrane bound nuclei are called eukaryotic whereas cells that lack a membrane bound nucleus are prokaryotic.” The Reason reverses this fundamental classification, making it false. This is a high-confusion swap that tests core understanding.
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