Q. No.The organelle, involved in packaging materials, to be delivered either to intra-cellular targets or to be secreted outside the cells, is:
1.
RER
2.
SER
3.
Golgi Apparatus
4.
Mitochondria
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| Statement I: | Concentration of ions is significantly higher in the vacuole than in the cytoplasm. |
| Statement II: | In plant cells, the vacuoles occupy up to 90 % of the volume of the cell. |
| 1. | Statement I is correct and Statement II is incorrect |
| 2. | Both Statement I and Statement II are correct but Statement II does not explain Statement I |
| 3. | Both Statement I and Statement II are correct and Statement II correctly explains Statement I |
| 4. | Only Statement II is correct |
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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. | Lysosome | 2. | Peroxisome |
| 3. | Ribosome | 4. | Mesosome |
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| 1. | rRNA and proteins |
| 2. | rRNA and carbohydrates |
| 3. | rRNa and mRNA |
| 4. | mRNa, tRNA and proteins |
| I: | shows the diagrammatic representation of the ultra-structure of centriole |
| II: | shows the 9 + 2 arrangement of the axonemal microtubules of cilia/flagella |
2. only I is correct
3. only II is correct
4. Both I and II are incorrect
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| 1. | do not possess flagella |
| 2. | possess flagella that are structurally similar to that of the eukaryotic flagella |
| 3. | possess flagella that are structurally different from that of the eukaryotic flagella |
| 4. | possess flagella made of tubulin protein and microtubules |
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| Statement I: | Both the cilium and the flagellum emerge from centriole-like structure called the basal body. |
| Statement II: | Basal body, centrioles, cilia and flagella have identical arrangement of microtubules in their ultrastructure. |
| 1. | Statement I is correct and Statement II is incorrect |
| 2. | Both Statement I and Statement II are correct but Statement II does not explain Statement I |
| 3. | Both Statement I and Statement II are correct and Statement II correctly explains Statement I |
| 4. | Only Statement II is correct |
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| 1. | it usually contains two cylindrical structures called centrioles |
| 2. | both centrioles in centrosome are parallel to each other |
| 3. | in centrioles, the peripheral fibril is a triplet |
| 4. | the central part of the proximal region of the centriole is a proteinaceous hub |
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| 1. | Robert Brown | 2. | Robert Hooke |
| 3. | Flemming | 4. | Rudolph Virchow |
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