NEET Biology question
Which of the following statements are correct? I. Mycoplasmas are the smallest cells. II. Nerve cells are some of the longest cells. III. Ribosomes are non-membrane bound organelles found only in eukaryotic cells. IV. The cytoplasm is the main arena of cellular activities only in plant cells.
Answer: (B)
Solution
Statements I and II are correct — mycoplasmas are among the smallest known cells, and nerve cells (neurons) can be among the longest cells in the body. Statement III is incorrect because ribosomes occur in
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