MCQ on Nucleus Structure and Functions







The nucleus is a membrane-bound organelle in eukaryotic cells that contains most of the cell’s genetic material in the form of DNA. It serves as the control center, regulating gene expression and facilitating DNA replication and RNA transcription. This is an MCQ on Nucleus Structure and Functions.

|  Cell and Molecular Biology Notes  |  Cell and Molecular Biology PPT  |



1. 
What is the primary function of the cell nucleus in eukaryotic cells?

2. 
Which cellular structure surrounds and separates the nucleus from the cytoplasm?

3. 
The genetic material in the nucleus of eukaryotic cells is organized into discrete structures called:

4. 
Which of the following is NOT found within the nucleus?

5. 
The nucleolus is primarily responsible for:

6. 
Which type of RNA molecules are transcribed in the nucleus and play a key role in protein synthesis?

7. 
Nuclear pores allow for the exchange of:

8. 
Which phase of the cell cycle involves the replication and condensation of DNA within the nucleus?

9. 
The nuclear matrix, also known as the nucleoskeleton, provides structural support to the nucleus and is composed of:

10. 
The process by which information stored in the nucleus is used to build proteins in the cytoplasm is called:

11. 
The nuclear envelope contains numerous openings known as nuclear pores, which are essential for:

12. 
The nucleoplasm, a semi-fluid substance within the nucleus, is primarily composed of:

13. 
The nuclear lamina is a network of protein filaments found on the inner surface of the nuclear envelope. Its primary function is to:

14. 
Which organelle, located outside the nucleus, plays a crucial role in DNA replication and gene expression?

15. 
The cell nucleus is essential for storing and regulating the genetic information required for the growth, development, and functioning of the cell and, by extension, the entire organism. This information is primarily stored in the form of:

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MCQ on Nucleus

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