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. 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 |
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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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