JEE Main 2021ChemistryBiomoleculesProteins And EnzymeseasyMCQ

JEE Main 2021Biomolecules Question with Solution

From: JEE Main 2021 (Online) 31st August Evening Shift

Question

Which of the following is not an example of fibrous protein?

Choose an option

Show full solutionCorrect option: B
Correct answer
BAlbumin

Step-by-step explanation

Fibrous proteins are characterized by their elongated, insoluble structure and often serve structural or mechanical roles. Among the options provided, keratin, collagen, and myosin are examples of fibrous proteins.

Albumin, on the other hand, is a globular protein that is soluble in water. It has a more spherical shape compared to the elongated shape of fibrous proteins. Albumin is found in blood plasma and has various functions including maintaining osmotic pressure.

So, the correct answer is:

Option B: Albumin.

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 2021, 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.