Q. No.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
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
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
Consider the given two statements:
| Statement-I | After the application of decolourizer in Gram staining, the Gram negative bacteria do not retain the stain. |
| Statement-II | Gram-negative cells have a thinner peptidoglycan layer that allows the crystal violet to wash out on addition of ethanol. |
| 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 |
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