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Q. No.Consider the given two statements:
| Assertion(A): | The mitochondria, chloroplast and peroxisomes are not considered as part of the endomembrane system. |
| Reason (R): | The mitochondria, chloroplast and peroxisomes are single membrane bound organelles. |
| 1. | Both (A) and (R) are True and (R) correctly explains (A). |
| 2. | Both (A) and (R) are True but (R) does not correctly explain (A). |
| 3. | (A) is True; (R) is False |
| 4. | Both (A) and (R) are False |
Subtopic: Plastids | Mitochondria | Endomembrane System |
82%
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Which of the following organelles in a eukaryotic cell can only be seen after staining with vital dye?
| 1. Mitochondria | 2. Chloroplasts |
| 3. Nucleus | 4. Endoplasmic reticulum |
Subtopic: Mitochondria |
71%
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All the following are located in the mitochondrial matrix except:
1. Single circular DNA molecule
2. Proteins of electron transport chain
3. 70 S ribosomes
4. Enzymes of Kreb’s cycle
Subtopic: Mitochondria |
58%
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Scientists think that mitochondria may have once been separate living organisms for all of the following reasons except that they
1. have cilia and flagella
2. have their own DNA
3. can reproduce
4. can produce their own proteins
Subtopic: Mitochondria |
67%
From NCERT
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Identify the incorrect statement regarding mitochondria?
| 1. | Unless specifically stained, mitochondria are not easily visible under the microscope. |
| 2. | The number of mitochondria per cell is fixed irrespective of the physiological activity of the cells. |
| 3. | The inner membrane forms a number of infoldings called the cristae towards the matrix. |
| 4. | Mitochondria are the sites of aerobic respiration. |
Subtopic: Mitochondria |
89%
From NCERT
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The organelles in a eukaryotic cell that have their own genome are:
1. RER and SER
2. Mitochondria and chloroplasts
3. Plasmids and plastids
4. Nucleus and ribosomes
Subtopic: Plastids | Mitochondria |
91%
From NCERT
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Oxidative phosphorylation in eukaryotic cells takes place in:
1. Chloroplasts
2. Mitochondria
3. Peroxisomes
4. ER
1. Chloroplasts
2. Mitochondria
3. Peroxisomes
4. ER
Subtopic: Mitochondria |
91%
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The inner membrane of the mitochondria has infoldings called cristae. What is the primary function of these cristae?
| 1. | They contain enzymes for the citric acid cycle. |
| 2. | They provide a large surface area for ATP production. |
| 3. | They house the genetic material (mitochondrial DNA). |
| 4. | They regulate the passage of molecules into and out of the mitochondria. |
Subtopic: Mitochondria |
88%
From NCERT
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Like mitochondria, the chloroplasts:
1. Only I is correct
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
| I: | are also double membrane bound. |
| II: | also contain small, double-stranded circular DNA molecules and ribosomes. |
1. Only I is correct
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
Subtopic: Plastids | Mitochondria |
86%
From NCERT
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Q. No.
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