Mitochondria and chloroplast are
(A) semi-autonomous organelles
(B) formed by division of pre-existing organelles and they contain DNA but lack protein synthesising machinery.
Which one of the following options is correct?

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Both (A) and (B) are correct.

Both (A) and (B) are false.

(B) is true but (A) is false.

(A) is true but (B) is false.

answer is A.

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Detailed Solution

Statement A is correct but statement B is incorrect.
Statement A is correct because mitochondria and chloroplasts are semiautonomous cell organelles, as they are
able to form some of their proteins.
Statement B is incorrect because they have protein synthesising machinery, such as RNA molecules and ribosomes. They are formed from pre-existing organelles of their kind by fi ssion during interphase.

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