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Assertion (A): Mitochondria of the eukaryotic cells are power houses of the cell, they produce AТР molecule. Reason (R): Mitochondria have DNA molecule and are autonomous cellular organelles.

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Question

Assertion (A): Mitochondria of the eukaryotic cells are power houses of the cell, they produce AТР molecule.

Reason (R): Mitochondria have DNA molecule and are autonomous cellular organelles.

Options

  • Both A and R are true and R is correct explanation of the assertion.

  • Both A and R are true but R is not the correct explanation of the assertion.

  • A is true but R is false.

  • A is false but R is true.

MCQ
Assertion and Reasoning
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Solution

A is true but R is false.

Explanation:

A is true: mitochondria release energy during cellular respiration and use some of it to produce ATP. R is false as stated because mitochondria are semiautonomous, not fully autonomous, even though they have their own DNA.

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Chapter 1: The Fundamental Unit of Life : Cell - Questions Based on Assertion-Reason [Page 49]

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P S Verma and V K Agarwal Biology Part 3 [English] Class 9
Chapter 1 The Fundamental Unit of Life : Cell
Questions Based on Assertion-Reason | Q 3. | Page 49
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