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Pcr Questions

Practice 6 Pcr questions with detailed answers and explanations. Free MCQs, PYQs, and mock test questions for NEET, JEE, GATE, SSC and more.

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6
Total Questions
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3
Easy
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2
Medium
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1
Hard
Practice by Exam:Biology(6)

About PCR — practice questions, PYQs & concepts

PCR is a frequently-tested topic on Biology. ExamTest.live currently lists 6 PCR questions spanning previous-year papers from 2026 to 2026, each with worked solutions and a step-by-step explanation. Use the filters on this page to focus on a specific exam, difficulty level or year — every answer key is free, no sign-up required.

PCR weight in competitive exams

Across our PCR question bank, the largest sources are Biology (6). Click any exam chip above to drill down to that exam-specific question set.

How to use this page

  • Start easy: 3 easy PCR questions are available — build fluency before moving up.
  • Target weak years: Use the year filter to focus on the most recent 2026 paper or older PYQs you have not attempted.
  • Time yourself: Every question shows the average solve time so you can benchmark your speed against other students.
  • Read every explanation: Even on questions you got right — the explanation often surfaces a faster approach you can reuse.

All Pcr Questions(1–6 of 6)

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Q1mediummcqBiologyNEET (UG) 20182026
The correct order of steps in Polymerase Chain Reaction () is:
Q2easymcqBiologyNEET 20212026
Which of the following is not an application of PCR (Polymerase Chain Reaction)?
Q3easymcqBiologyNEET 20212026
During the process of gene amplification using PCR, if very high temperature is not maintained in the beginning, then which of the following steps of PCR will be affected first?
Q4mediummcqBiologyNEET 20222026
Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R).Assertion (A): Polymerase chain reaction is used in DNA amplification.Reason (R): The ampicillin resistant gene is used as a selectable marker to check transformation.In the light of the above statements, choose the correct answer from the options given below:
Q5hardmcqBiologyBiology
The figure below shows three steps (A, B, C) of Polymerase Chain Reaction (PCR). Select the option giving correct identification?
image
Q6easymcqBiologyBiology
Which one is a true statement regarding DNA polymerase used in PCR?

Frequently Asked Questions

How many Pcr questions are on ExamTest.live?▼
We have 6 Pcr questions spread across 1 pages, covering easy, medium, and hard difficulty levels with detailed explanations.
Are Pcr MCQs free?▼
Yes. All Pcr questions, answers, and explanations on ExamTest.live are completely free. No account or subscription required.
Which exams include Pcr questions?▼
Pcr questions are commonly asked in Biology. You can filter by exam using the links above.
How do I practice Pcr questions effectively?▼
Start with easy questions to build confidence, then tackle medium and hard ones. Use the filter buttons to sort by difficulty. Reveal the answer only after attempting each question, and read the explanation thoroughly.