JEE Main 2023 — Biomolecules Question with Solution
JEE Main 2023 (08 Apr Shift 1)
Question
Sulphur (S) containing amino acids from the following are:
(a) isoleucine
(b) cysteine
(c) lysine
(d) methionine
(e) glutamic acid
Choose an option
Show full solutionCorrect option: C
Step-by-step explanation
Isoleucine -
Isoleucine is a neutral amino acid.
Cysteine -
Cysteine is a sulphur containing amino acid. It contain thiol group.
Lysine -
Lysine is a basic amino acid.
Methionine -
Methionine is a sulphur containing amino acid contain thioether group.
Glutamic acid -
Glutamic acid is an acidic amino acid.
Practice this on the real CBT interface
Solve this JEE Main question (and the rest of the Biomolecules chapter) on PrepSharp's TCS iON-style CBT player — with timer, bookmarks and session analytics.
Solve interactively →About this question
This is a previous-year question from JEE Main 2023, covering the Biomolecules chapter of Chemistry. PrepSharp catalogues every PYQ from JEE Main with a verified answer key and step-by-step solution prepared by IIT alumni — so you can search by chapter, topic or year and revise efficiently.




