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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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|
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|
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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%
From NCERT
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NEET 2026 - Target Batch - Vital
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NEET 2026 - Target Batch - Vital
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%
From NCERT
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Hints
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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 |
From NCERT
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