Learn

Friday, 9 October

NEET UG 2022 · Zoology · Question 171

NEET 2022 Zoology, question 171

Question 171 of the NEET 2022 paper (code R1) is a Zoology question from Molecular Basis of Inheritance. Its idea, DNA Length Calculation, was asked twice, in 2020 and 2022, across NEET 2017–2026. The NTA final answer key gives option 2.

Updated 2026-10-08

Q171 · Zoology

If the length of a DNA molecule is 1.1 metres, what will be the approximate number of base pairs ?

  1. 16.6×1066.6\times10^{6} bp
  2. 23.3×1093.3\times10^{9} bpOfficial answer
  3. 36.6×1096.6\times10^{9} bp
  4. 43.3×1063.3\times10^{6} bp

Official answer: option 2 · NTA final answer key

Same idea

DNA Length Calculation, in other papers

NEET asked this idea twice, in 2020 and 2022. The other question below.

  • 2020 Q74If the distance between two consecutive base pairs is 0.34 nm and the total number of base pairs of a DNA double helix in a typical…Numerical · Easy

DNA Length Calculation: every question and how it was framed

The chapter

Molecular Basis of Inheritance in ten years of NEET

61 questions from 2017–2026, asked in 10 of 10 papers, about 5.8 a paper. DNA Double Helix alone had 16.

Chapter analysisStudy this chapterPractise this chapter

Molecular Basis of Inheritance: questions per paper

05106’176’185’194’209’217’228’236’248’252’26