- 1(current)
Q. No.
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The number of correct statements amongst the given statements would be:
| I: | The outer nuclear membrane is usually continuous with ER and also bears ribosomes |
| II: | Nuclear pores allow movement of RNA and proteins in both directions between nucleus and cytoplasm |
| III: | Satellite chromosomes have non-staining secondary constrictions at constant locations |
| IV: | Microbodies are membrane bound vesicles containing various enzymes and are present in both plant and animal cells |
| 1. | 1 | 2. | 2 |
| 3. | 3 | 4. | 4 |
Subtopic: Â Nucleus |Â Ribosome and Inclusion Bodies |
 66%
Level 2: 60%+
Hints
A common characteristic feature of plant sieve tube cells and most of mammalian erythrocytes is
1. Absence of mitochondria
2. Presence of cell wall
3. Presence of haemoglobin
4. Absence of nucleus
Subtopic: Â Nucleus |
 88%
Level 1: 80%+
Hints
Nucleus as a cell organelle was first described by:
| 1. | Robert Brown | 2. | Robert Hooke |
| 3. | Flemming | 4. | Rudolph Virchow |
Subtopic: Â Nucleus |
 92%
Level 1: 80%+
Hints
Consider the two statements:
| I: | The content of nucleolus is continuous with the rest of the nucleoplasm. |
| II: | Nucleolus is the site for active ribosomal RNA synthesis. |
| 1. | I is correct and II is incorrect |
| 2. | Both I and II are correct but II does not explain I |
| 3. | Both I and II are correct and II correctly explains I |
| 4. | Only II is correct |
Subtopic: Â Nucleus |
 78%
Level 2: 60%+
Hints
Identify the incorrect statement:
| I: | Nuclear envelope consists of two parallel membranes with a perinuclear space between them. |
| II: | Nuclear pore is formed by the fusion of two nuclear membranes at points where they interrupt the nuclear envelope. |
| III: | Large and more numerous nucleoli are present in the cells actively carrying out protein synthesis. |
| 1. Only I | 2. Only II |
| 3. Only III | 4. None |
Subtopic: Â Nucleus |
 60%
Level 2: 60%+
Hints
- 1(current)
Q. No.
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