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 6 of 8

Q51.
What is the stretch of free DNA needed by NER machinery to repair the bulky lesions in TC NER?
Discuss
Answer: (a).50 nt
Q52.
What is the stretch of free DNA needed by NER machinery to repair the bulky lesions in TC NER?Which of the factors are necessary in TC NER but not in GG NER?
Discuss
Answer: (b).50 ntCSA
Q53.
Which of the factor in prokaryotic NER acts as the helicase?
Discuss
Answer: (d).Uvr D
Q54.
Which of the molecule in photolyase acts as an electron donor for recovery of the CPD?
Discuss
Answer: (b).FADH-
Q55.
You radiate a stock of E. Coli with UV rays and another stock is irradiated as control. The 1st stock is seen to be more resistant to alkylating agents. Which gene is expected to be triggered by this UV?
Discuss
Answer: (b).Guanine methyl transferase
Q56.
It is good that Guanine methyl transferase is absent in human beings.
Discuss
Answer: (a).True
Q57.
What is the molecule released in 2nd step of Alk B reaction which returns the base to normal form?
Discuss
Answer: (c).Formaldehyde
Q58.
What is the prokaryotic homologue of XPC?
Discuss
Answer: (c).RAD 23
Q59.
Homologous recombination can’t occur in which stage?
Discuss
Answer: (c).G1
Q60.
The DSB are indistinguishable from normal chromosomes of shorter length.
Discuss
Answer: (b).False
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