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Q. No.The given diagram represents the four different structures which one of these is correct containing material and function:-
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a. |
Nucleolus |
NOR |
Synthesis of rRNA for formation of 80 S Ribosome |
|
b. |
Nuclear Pore |
Chromatin |
Exchange material between cytoplasm and nucleoplasm |
|
c. |
Nucleoplasm Protein |
Nucleoplasmin |
Formation of nuclear matrix |
|
d. |
Nuclear membrane |
Ribosome |
Cellulose synthesis |
1. A
2. B
3. C
4. D
Subtopic: Â Nucleus |
 55%
Level 3: 35%-60%
Hints
Consider the given two statements:
| Assertion (A): | The nucleus is the control centre of the cell and contains the genetic material (DNA). |
| Reason (R): | The nucleus directs protein synthesis through messenger RNA (mRNA) molecules. |
| 1. | Both (A) and (R) are True and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are True but (R) is not the correct explanation of (A). |
| 3. | (A) is True but (R) is False. |
| 4. | (A) is False but (R) is True. |
Subtopic: Â Nucleus |
 51%
Level 3: 35%-60%
Please attempt this question first.
Hints
Please attempt this question first.
In eukaryotic cells, the term "nuclear envelope" is more correct than the term "nuclear membrane" for the enclosure around nucleus because:
| 1. | the enclosure has pores which membranes do not |
| 2. | the enclosure is made up of two membranes |
| 3. | the chemical composition is inconsistent with cellular membranes |
| 4. | the enclosure does not enclose the nucleolus |
Subtopic: Â Nucleus |
Level 3: 35%-60%
Please attempt this question first.
Hints
Please attempt this question first.
- 1(current)
Q. No.
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