MCQ on RNA Polymerase with Answers (PDF)







RNA polymerase is an enzyme that synthesizes RNA from a DNA template during transcription. It binds to specific regions of the DNA called promoters and unwinds the DNA strands to read the sequence. RNA polymerase then assembles complementary RNA nucleotides to form a single-stranded RNA molecule. This RNA serves as a template for protein synthesis or other functions in the cell. RNA polymerase is essential for gene expression and cellular function. This is an MCQ on RNA Polymerase with Answers. You can download all these questions as PDF from the results page of this quiz.

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1. 
Which type of RNA polymerase is responsible for synthesizing rRNA in eukaryotes?

2. 
What role does the sigma factor play in bacterial RNA polymerase function?

3. 
Which of the following is a primary difference between prokaryotic and eukaryotic RNA polymerases?

4. 
What is the primary function of the core enzyme in bacterial RNA polymerase?

5. 
Which eukaryotic RNA polymerase is responsible for synthesizing transfer RNA (tRNA)?

6. 
What is the role of the Rho factor in bacterial transcription?

7. 
During eukaryotic transcription initiation, which of the following factors is essential for the binding of RNA polymerase II to the promoter?

8. 
What is the function of the β and β' subunits in bacterial RNA polymerase?

9. 
Which of the following processes occurs during the elongation phase of transcription?

10. 
How does RNA polymerase recognize the promoter region in eukaryotic cells?

11. 
Which of the following statements about RNA polymerase and transcription is true?

12. 
What is the role of the carboxyl-terminal domain (CTD) of RNA polymerase II in eukaryotic transcription?

13. 
Which of the following is a key feature of bacterial transcription termination?

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