Quantrex Quantrex AcademyJEE · NEET · NDA PYQs with solutions Open app
JEE Main 201419 AprilOnline
Exam
JEE Main
Year
2014
Date
19 April
Mode
Online
Subject
Chemistry
Chapter
Biomolecules

JEE Main 2014 · 19 April · Online · Chemistry · Biomolecules

The reason for double helical structure of DNA is the operation of :

The reason for double helical structure of DNA is the operation of :

Options

  1. AVan der Waals forces
  2. BElectrostatic attractions
  3. CHydrogen bonding
  4. DDipole - Dipole interactions

Correct answer

C. Hydrogen bonding

Step-by-step solution

DNA is a chain of two strands of nucleotides that are linked to one another through hydrogen bonds and arranged into a structure known as a double-helix.
Practice Biomolecules on Quantrex Academy →

More from Biomolecules

A known artificial sweetener X is composed of 4-chloro-4-deoxy- α -D-galactose and… JEE Advanced 2026The correct statement(s) regarding sugars is(are) Given: Specific rotations of L-(… JEE Advanced 2026In the following reaction sequence, major products X and Y are acyclic monomers. 500 mol… JEE Advanced 2026The incorrect statement from the following with respect to carbohydrates is: JEE Main 2026Which of the following amino acid will give violet coloured complex with neutral ferric… JEE Main 2026Consider the following reactions. Total number of electrons in the π bonds and lone pair… JEE Main 2026Match the LIST-I with LIST-II List-I Deficiency Disease List-II Vitamin A. Scurvy I.… JEE Main 2026Match the LIST-I with LIST-II List-I Amino acid List-II Positive reaction/Test for… JEE Main 2026 Full Biomolecules list All JEE Main PYQs