Q. No.Consider the given two statements:
Statement I:
Only eukaryotes have cytoskeleton components.
Statement II:
The cell wall is the only deciding factor for many bacterial cell shapes.
1.
Both I and II are correct and II explains I
2.
Both I and are correct but II does not explain I
3.
I is correct and II is incorrect
4.
Both I and II are incorrect
The space between the two nuclear membranes is called the perinuclear space and is continuous with the:
| 1. | Nuclear pore complex | 2. | Cytoplasm |
| 3. | RER lumen | 4. | Golgi lumen |
Identify the function of the Golgi Apparatus:
| 1. | Manufacture of Lysosomal enzymes |
| 2. | Synthesis and assembly of membrane and secreted proteins |
| 3. | Production of energy during photosynthesis |
| 4. | Processing of membrane and secreted proteins, including glycosylation |
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Consider the following two statements:
| I: | Secondary constrictions can be used as markers to identify the particular SAT chromosomes. |
| II: | The secondary constrictions are always constant in their positions. |
1. Both I and II are correct and II explains I
2. Both I and II are correct but II does not explain I
3. I is correct and II is incorrect
4. Both I and II are incorrect
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In a comparison of a typical bacterial cell and a typical human cell, which of the following would be higher for a bacterial cell?
| 1. | Diameter | 2. | Surface area |
| 3. | Volume | 4. | Surface area to volume ratio |
Cytoskeleton elements involved in muscle contraction, cytokinesis and cytoplasmic streaming are:
1. Microfilaments
2. Intermediate filaments
3. Microtubules
4. FTS-Z
Consider the given two statements:
| Statement- I | Lugol's iodine solution is always added after addition of crystal violet in Gram staining. |
| Statement- II | Lugol’s iodine helps in counter-staining, if required. |
| 1. | Both I and II are correct and II explains I |
| 2. | Both I and are correct but II does not explain I |
| 3. | I is correct and II is incorrect |
| 4. | Both I and II are incorrect |
Glycocalyx:
| I: | serves to protect the bacterium from harmful phagocytes |
| II: | allow the bacterium to attach itself to inert surfaces |
| III: | prevent desiccation of bacteria |
| 1. | Only I and II are correct |
| 2. | Only I and III are correct |
| 3. | Only II and III are correct |
| 4. | I, II and III are correct |
Most bacteria contain plasmids that often encode for traits that are:
| 1. | advantageous but not essential to their bacterial host |
| 2. | advantageous and essential to their bacterial host |
| 3. | not advantageous but essential to their bacterial host |
| 4. | neither advantageous nor essential to their bacterial host |
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