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NDA 2 2025 GAT, question 140

Topic: Biology

Q140

Which of the following organelles have their own DNA and ribosomes ?

  1. (a) Endoplasmic reticulum and Golgi bodies
  2. (b) Mitochondria and ChloroplastCorrect answer
  3. (c) Endoplasmic reticulum and cytoskeleton
  4. (d) Cell wall and nucleolus

Solution.

Answer: (b) Mitochondria and Chloroplast

  1. Mitochondria and chloroplasts possess their own DNA and ribosomes, consistent with their endosymbiotic origins.
  2. They still depend on many nuclear-encoded proteins.
  3. The other paired structures do not both have these features.