- 1(current)
Q. No.The figure below shows the structure of a mitochondrion with its four parts labelled (A), (B), (C) and (D). Select the part correctly matched with its function.
| 1. | Part (A) : Matrix – a major site for respiratory chain enzymes |
| 2. | Part (D) : Outer membrane – gives rise to the inner membrane by splitting |
| 3. | Part (B) : Inner membrane – forms infoldings called cristae |
| 4. | Part (C) : Cristae – possess single circular DNA molecule and ribosome |
Subtopic: Mitochondria |
71%
From NCERT
AIPMT - 2011
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NEET 2023 - Target Batch - Aryan Raj Singh
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NEET 2023 - Target Batch - Aryan Raj Singh
Consider the following statements:
I. It is postulated that mitochondria and chloroplasts, during evolution, developed a symbiotic relationship, with plant and animal cells.
II. Both mitochondria and chloroplasts are formed de novo during cell division.
III. Both mitochondria and chloroplasts are totally autonomous bodies.
IV. Both mitochondria and chloroplasts have circular DNA associated with histones.
The correct statements include:
(1) None
(2) I only
(3) II, III and IV
(4) I, II and III
Subtopic: Plastids | Mitochondria |
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh
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Assertion(A): Mitochondria are called ‘power houses’ of the cell.
Reason(R): They produce cellular energy in the form of ATP.
Choices for Assertions and reasons:
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true, but (R) is not the correct explanation of (A).
3. (A) is true, but (R) is false.
4. (A) is false, but (R) is true.
Reason(R): They produce cellular energy in the form of ATP.
Choices for Assertions and reasons:
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true, but (R) is not the correct explanation of (A).
3. (A) is true, but (R) is false.
4. (A) is false, but (R) is true.
Subtopic: Mitochondria |
97%
From NCERT
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