NEET 2026 Biology question
Choose the correct statements regarding cell organelles and their inclusions. A. The endomembrane system includes Golgi complex, endoplasmic reticulum and mitochondria. B. Rough endoplasmic reticulum bears ribosomes on its surface. C. Both mitochondria and plastids have circular DNA. D. A network of microtubules, microfilaments and intermediate filaments present in the cytoplasm is called cytoskeleton. E. Mitochondrion is a single membrane-bound structure.
Solution
A is incorrect: the endomembrane system comprises ER, Golgi complex, lysosomes and vacuoles; mitochondria, chloroplasts and peroxisomes are not part of it because their functions are not coordinated with these. B is correct: rough ER has ribosomes attached to its outer surface. C
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