JEE Main 5 September 2020, Shift 1, Chemistry Q26

Question 26 of 75 in this shift, Chemistry question 1 of 25.

Which of the following is not an essential amino acid ?

(1)Valine
(2)Leucine
(3)Lysine
(4)TyrosineOfficial answer

Official answer

Option 4

NTA final key (Sep 2020).

Chapter: Biomolecules
Topic: No close match in our taxonomy
Idea tested: No close match in our taxonomy

Question text from the official JEE Main paper published by NTA; answer from the final answer key. Chapter, topic and idea tags, difficulty and skill are Lumi’s. Lumi analyses 108 of the 174 JEE Main shifts held from 2017 to 2026.