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Friday, 9 October

NEET UG 2023 · Botany · Question 107

NEET 2023 Botany, question 107

Question 107 of the NEET 2023 paper (code G6) is a Botany question from Biotechnology: Principles and Processes. Its idea, UV Visualization of DNA, was asked 3 times, in 2020, 2021 and 2023, across NEET 2017–2026. The NTA final answer key gives option 1.

Updated 2026-10-08

Q107 · Botany

Upon exposure to UV radiation, DNA stained with ethidium bromide will show

  1. 1Bright orange colourOfficial answer
  2. 2Bright red colour
  3. 3Bright blue colour
  4. 4Bright yellow colour

Official answer: option 1 · NTA final answer key

Same idea

UV Visualization of DNA, in other papers

NEET asked this idea 3 times, in 2020, 2021 and 2023. The other 2 questions below.

  • 2021 Q123DNA strands on a gel stained with ethidium bromide when viewed under UV radiation, appear as :One-line MCQ · Easy
  • 2020 Q18In gel electrophoresis, separated DNA fragments can be visualized with the help of :One-line MCQ · Easy

UV Visualization of DNA: 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. Restriction Enzymes alone had 22.

Biotechnology: Principles and Processes: questions per paper

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