Biology · Molecular Basis of Inheritance
The backbone (basic chemical structure) of a DNA molecule is composed of:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
Share:
- 1Sugar - Phosphate✓
- 2Phosphate - Purine
- 3Sugar - Pyrimidine
- 4Purine - Pyrimidine
Correct answer
Sugar - Phosphate
Download Single Question PDF
Save this question and verified answer as a clean study sheet with live clickable link.
👥
Share with Friends & Study Groups
Challenge your peer aspirants on WhatsApp or Telegram to solve this question!
Online Test Series
Start Free Mock Test →Preparing for Biology?
Practice full-length mock tests with real exam timers, instant score analysis, and all-India ranking.
Chapter Practice
Practice Molecular Basis of Inheritance MCQs →Want more practice questions on Molecular Basis of Inheritance?
Solve complete topic-wise tests with detailed solutions on GkGet.
Related Practice Questions
Recommended practice questions in Biology · Molecular Basis of Inheritance