NEET UG 2021 · Botany · Question 107

NEET 2021 Botany, question 107

Question 107 of the NEET 2021 paper (code O1) is a Botany question from Biotechnology: Principles and Processes. Its idea, DNA Denaturation Step, was asked twice, both in 2021, across NEET 2017–2026. The NTA final answer key gives option 3.

Updated 2026-10-08

Q107 · Botany

Which of the following is a correct sequence of steps in a PCR (Polymerase Chain Reaction) ?

1 Extension, Denaturation, Annealing 2 Annealing, Denaturation, Extension 3 Denaturation, Annealing, Extension Official answer 4 Denaturation, Extension, Annealing

Official answer: option 3 · NTA final answer key

Same idea

DNA Denaturation Step, in other papers

NEET asked this idea twice, both in 2021. The other question below.

2021 Q 164 During the process of gene amplification using PCR, if very high temperature is not maintained in the beginning, then which of the\dots One-line MCQ \cdot Easy

DNA Denaturation Step: every question and how it was framed

The chapter

Biotechnology: Principles and Processes in ten years of NEET

46 questions from 2017–2026, asked in 10 of 10 papers, about 4.4 a paper. Polymerase Chain Reaction alone had 6.

Chapter analysis Study this chapter Practise this chapter

DNA Denaturation Step, in other papers

Biotechnology: Principles and Processes in ten years of NEET

Biotechnology: Principles and Processes: questions per paper