Environment & Ecology · Climate Change
By approximately what percentage has the atmospheric concentration of carbon dioxide (CO2) increased since the pre-industrial era primarily due to human activities?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
Share:
- 120 percent
- 233 percent
- 350 percent✓
- 470 percent
Correct answer
50 percent
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 Environment & Ecology?
Practice full-length mock tests with real exam timers, instant score analysis, and all-India ranking.
Chapter Practice
Practice Climate Change MCQs →Want more practice questions on Climate Change?
Solve complete topic-wise tests with detailed solutions on GkGet.
Related Practice Questions
Recommended practice questions in Environment & Ecology · Climate Change