NEET UG 2018 · Zoology · Question 101
NEET 2018 Zoology, question 101
Question 101 of the NEET 2018 paper (code AA) is a Zoology question from Biotechnology: Principles and Processes. Its idea, Chronological Sequence of PCR Steps, was asked only this once in NEET 2017–2026. The CBSE official answer key gives option 4.
Updated 2026-10-08
Q101 · Zoology
The correct order of steps in Polymerase Chain Reaction (PCR) is
- 1Denaturation, Extension, Annealing
- 2Annealing, Extension, Denaturation
- 3Extension, Denaturation, Annealing
- 4Denaturation, Annealing, ExtensionOfficial answer
Official answer: option 4 · CBSE official answer key
Same idea
The only question on Chronological Sequence of PCR Steps
No other NEET paper from 2017–2026 tested this exact idea.
Chronological Sequence of PCR Steps: 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.