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Saturday, 31 October

JEE Main 2021 · ChemistryMultiple choiceSingle correctEasyConceptual

JEE Main 24 February 2021, Shift 1, Chemistry Q49

Question 49 of 90 in this shift, Chemistry question 19 of 30, Section A.

Out of the following, which type of interaction is responsible for the stabilisation of α\alpha-helix structure of proteins ?
  1. (1)vander Waals forces
  2. (2)Covalent bonding
  3. (3)Ionic bonding
  4. (4)Hydrogen bondingOfficial answer

Official answer

Option 4

NTA final key.

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.