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NTA Abhyas NEET2020BotanyCell - The Unit of LifePractice

Which of the following statements is CORRECT?

Options

  1. AMitochondria contain circular DNA, but chloroplasts lack it.
  2. BChloroplasts contain circular DNA, but mitochondria lack it.
  3. CNeither mitochondria nor chloroplasts contain any DNA.
  4. DBoth mitochondria and chloroplasts contain circular DNA.

Correct answer

D. Both mitochondria and chloroplasts contain circular DNA.

Step-by-step solution

Mitochondria also known as the powerhouse of the cell, has a small circular chromosome called the mitochondrial DNA which is passed through the egg cell from the mother to the offspring. The chloroplast, which are the plant organelles having the chlorophyll pigment and performs photosynthesis also contains small and circular DNA with many copies in it.

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