MCQ on Gene Mutation with Answers (PDF)







Gene Mutation refers to a permanent alteration in the DNA sequence that makes up a gene. Mutations can occur due to various factors, including environmental influences, errors during DNA replication, or the action of mutagens. They can lead to changes in the protein produced by the gene, potentially affecting an organism’s phenotype and playing a significant role in evolution and disease. This is an MCQ on Gene Mutation with Answers. You can download the questions as PDF from the results window.

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MCQ on Gene Mutation

1. 
What is the most common type of point mutation?

2. 
Which of the following mutations is likely to cause a frameshift?

3. 
What effect does a nonsense mutation have on protein synthesis?

4. 
Which of the following can lead to an increased rate of gene mutations?

5. 
What is a silent mutation?

6. 
In which type of cells can gene mutations be passed to the next generation?

7. 
What role do mutagens play in gene mutations?

8. 
Which of the following mutations is most likely to affect protein function?

9. 
What is the primary mechanism by which DNA repair systems fix mutations?

10. 
Which of the following is a characteristic of gene mutations that occur during DNA replication?

mcq on gene mutation

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