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  • 1(current)
Q. No.
Consider the given two statements:
Statement I: Larger and more numerous nucleoli are present in cells actively carrying out lipid synthesis.
Statement II: RER is frequently observed in the cells actively involved in protein synthesis and secretion.
 
1. Statement I is correct; Statement II is correct
2. Statement I is correct; Statement II is incorrect
3. Statement I is incorrect; Statement II is correct
4. Statement I is incorrect; Statement II is incorrect
Subtopic:  Nucleus | Endomembrane System (Endoplasmic Reticulum) |
 87%
Level 1: 80%+
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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:  Nucleus |
Level 3: 35%-60%
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Consider the given two statements:
Statement I: The content of nucleolus is continuous with the rest of the nucleoplasm as it is not a membrane bound structure.
Statement II: The outer nuclear membrane usually remains continuous with the endoplasmic reticulum but does not bear ribosomes on it.

1. Statement I is correct; Statement II is correct
2. Statement I is incorrect; Statement II is incorrect
3. Statement I is incorrect; Statement II is correct
4. Statement I is correct; Statement II is incorrect
Subtopic:  Nucleus |
 70%
Level 2: 60%+
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Consider the given two statements:
Statement I: Mature sieve tube elements of vascular plants and mature human erythrocytes are not considered as ‘living’ cells.
Statement II: Mature sieve tube elements of vascular plants and mature human erythrocytes lack a nucleus.

1. Statement I is correct; Statement II is correct
2. Statement I is incorrect; Statement II is incorrect
3. Statement I is incorrect; Statement II is correct
4. Statement I is correct; Statement II is incorrect
Subtopic:  Nucleus |
 69%
Level 2: 60%+
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Nuclear pores:
I: are formed by the fusion of the two nuclear membranes at some places.
II: are the passages through which movement of RNA and protein molecules takes place in both directions between the nucleus and the cytoplasm.
1. Only I is correct
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
Subtopic:  Nucleus |
 85%
Level 1: 80%+
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What is the primary function of the nucleolus found within the nucleus?
1. It is the site of ribosome assembly.
2. It serves as the storage area for DNA.
3. It is responsible for the synthesis of lipids.
4. It plays a role in cell division.
Subtopic:  Nucleus |
 77%
Level 2: 60%+
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