General Knowledge · General Studies
What is the approximate concentration of carbon dioxide in the air we exhale?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
Share:
- 14%✓
- 20.04%
- 31%
- 420%
Correct answer
4%
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 General Knowledge?
Practice full-length mock tests with real exam timers, instant score analysis, and all-India ranking.
Chapter Practice
Practice General Studies MCQs →Want more practice questions on General Studies?
Solve complete topic-wise tests with detailed solutions on GkGet.
Related Practice Questions
Recommended practice questions in General Knowledge · General Studies