Which of the following cell organelles does not contain DNA?
Correct answer: B. Lysosomes
- A. Nucleus
- B. Lysosomes
- C. Chloroplast
- D. None of these
Explanation
Lysosomes contain hydrolytic digestive enzymes but do not contain their own DNA, whereas the nucleus and chloroplast contain DNA. Students may choose chloroplast because it is an organelle in plant cells, but chloroplasts retain their own genetic material as semi-autonomous organelles.
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About Cytoplasmic Organelles
Cytoplasmic organelles are the specialized structures suspended in cytoplasm, including mitochondria, ribosomes, endoplasmic reticulum, Golgi apparatus, lysosomes, vacuoles and centrosomes. Questions compare their structures and functions in animal and plant cells, including chloroplasts and the role of the endomembrane system in transport and secretion.
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