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Friday, 9 October

NEET UG 2020 · Chemistry · Question 117

NEET 2020 Chemistry, question 117

Question 117 of the NEET 2020 paper (code E1) is a Chemistry question from Biomolecules. Its idea, Classification of Amino Acids, was asked 3 times, in 2018, 2019 and 2020, across NEET 2017–2026. The NTA final answer key gives option 4.

Updated 2026-10-08

Q117 · Chemistry

Which of the following is a basic amino acid ?

  1. 1Serine
  2. 2Alanine
  3. 3Tyrosine
  4. 4LysineOfficial answer

Official answer: option 4 · NTA final answer key

Same idea

Classification of Amino Acids, in other papers

NEET asked this idea 3 times, in 2018, 2019 and 2020. The other 2 questions below.

  • 2019 Q64The non-essential amino acid among the following is :One-line MCQ · Easy
  • 2018 Q53Which of the following compounds can form a zwitterion ?One-line MCQ · Easy

Classification of Amino Acids: every question and how it was framed

The chapter

Biomolecules in ten years of NEET

14 questions from 2017–2026, asked in 10 of 10 papers, about 1.4 a paper. Biomolecules (Chemistry) alone had 14.

Biomolecules: questions per paper

0241’172’181’192’201’211’221’231’242’252’26