Assertion Mitochondria and chloroplast are semi- autonomous organelles.
Reason They are formed by the division of pre-existing organelles

Both Assertion and Reason are true and reason is the correct explanation of Assertion

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Both Assertion and Reason are true but Reason is not the correct explanation of Assertion

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Assertion is true but Reason is false

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Both Assertion and Reason are false

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Solution

The correct option is A
Both Assertion and Reason are true and reason is the correct explanation of Assertion

Mitochondria and chloroplast are semi-autonomous cell organelles, which contain their own DNA and protein synthesizing machinery. They arise from pre-existing organelles and their functions are partially controlled by the nucleus of a cell and partially themselves.

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Similar questions

Assertion Mitochondria and chloroplast are semi- autonomous organelles.
Reason They are formed by the division of pre-existing organelles

Assertion (A): Mitochondria and chloroplasts are semi-autonomous organelles.

Reason (R): They are formed by the division of pre-existing organelles, and also contain DNA but lack protein synthesising machinery.

Mitochondria and chloroplast are:

(i) semi-autonomous organelles

(ii) formed by division of pre-existing organelles and they contain DNA but lack protein-synthesizing machinery.

Which of the following statements are correct?

Assertion Mitochondria and chloroplast are semi- autonomous organelles.
Reason They have their own genetic material which codes for their proteins.

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