- 1(current)
Q. No.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 |
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| A | Inner membrane | Site of location of electron transport chain |
| B | Outer membrane | Forms the continuous limiting boundary of the organelle |
| C | Cristae | Increase the surface area |
| D | Matrix | Site for Kreb’s cycle |
2. Only A, B, and D
3. Only B, C, and D
4. A, B, C, and D
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
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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 |
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| 1. | The number of mitochondria per cell is same in all the cells of human body. |
| 2. | The inner membrane forms a number of infoldings called the cristae towards the matrix. |
| 3. | They divide by binary fission. |
| 4. | They are called as ‘power houses’ of the cell. |
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- 1(current)
Q. No.
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