DNA Mutation and DNA Repair MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on DNA Mutation and DNA Repair, a fundamental topic in the field of Cytogenetics. Whether you're preparing for competitive exams, honing your problem-solving skills, or simply looking to enhance your abilities in this field, our DNA Mutation and DNA Repair MCQs are designed to help you grasp the core concepts and excel in solving problems.

In this section, you'll find a wide range of DNA Mutation and DNA Repair mcq questions that explore various aspects of DNA Mutation and DNA Repair problems. Each MCQ is crafted to challenge your understanding of DNA Mutation and DNA Repair principles, enabling you to refine your problem-solving techniques. Whether you're a student aiming to ace Cytogenetics tests, a job seeker preparing for interviews, or someone simply interested in sharpening their skills, our DNA Mutation and DNA Repair MCQs are your pathway to success in mastering this essential Cytogenetics topic.

Note: Each of the following question comes with multiple answer choices. Select the most appropriate option and test your understanding of DNA Mutation and DNA Repair. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

So, are you ready to put your DNA Mutation and DNA Repair knowledge to the test? Let's get started with our carefully curated MCQs!

DNA Mutation and DNA Repair MCQs | Page 3 of 8

Q21.
Reverse and suppressor mutations both result in wild phenotype. Thus they are both indistinguishable by any test performed on phenotype.
Discuss
Answer: (b).False
Q22.
Which of the following mutation will lead to AT->GC transition?
Discuss
Answer: (a).Nitrous acid acting on A
Q23.
In Ames test, the bacterial culture are grown in _________
Discuss
Answer: (d).Minimal media
Q24.
In an experiment to check mutagenicity of a substance, we feed the mutagen to a rat and then use the rat _______ extract within the media. This ensures_____________
Discuss
Answer: (c).Liver; the mutagen is processed
Q25.
Which of this mutagen can lead to both AT->GC and GC->AT transition?
Discuss
Answer: (b).5 Bromo uracil
Q26.
Which of the following modes of repair is restricted to S phase of the cell cycle?
Discuss
Answer: (b).MMR
Q27.
DNA microsatellites are prone to which type of mutation?
Discuss
Answer: (c).Addition
Q28.
In an experiment you make two setups, in 1st you knock down the DAM and in 2nd you over express DAM. What will be the observation for both the setups?
Discuss
Answer: (c).In both cases MMR is compromised
Q29.
Which of the following factors in MMR can recognize the mismatch?
Discuss
Answer: (b).Mut S
Q30.
If the nick is at 5’ end of the mismatch which of the following will be recruited?
Discuss
Answer: (d).Exonuclease X
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