WBCS.LIVE practice question

Which of the following cell organelles distinctly contains its own DNA?

Solve this multiple-choice question and check the correct answer with its explanation below.

Answer options

  1. Golgi apparatus
  2. Endoplasmic reticulum
  3. Lysosome
  4. Mitochondria

Correct answer and explanation

Correct answer: Mitochondria

Explanation: āœ… Correct Answer: D) Mitochondria šŸ“š Explanation: While the vast majority of a cell's DNA is stored securely in its nucleus, mitochondria possess their own independent, circular genetic material known as mitochondrial DNA (mtDNA). This unique biological feature strongly supports the endosymbiotic theory, which suggests that mitochondria were once free-living bacteria absorbed by early eukaryotic cells.