Answer: The correct answer is A) Prokaryotes have no nucleus.
Prokaryotes are the single celled organisms, which do not possess a well defined membrane bound nucleus and other organelles. The genetic material is all these organisms is present in the cytoplasm of the cell.
Example- Bacteria.
Whereas, eukaryotes are single or multicellular organisms, which possess a well defined nucleus ( with genetic material in it) as well as other organelles like mitochondria, golgi complex, endoplasmic reticulum.
Example- Plant cell.
Thus, option A) is the right answer.
