Online GK Series

This site is dedicated to the aspirants of competitive exams SSC, UPSC, Railways, Postal Assistants, Bank, GATE and NET

Connect with Universities & Study Abroad Experts Instantly Connect Now

Q.

Which one of the following sets of elements was primarily responsible for the origin of life on the Earth?

A Hydrogen, Oxygen, Sodium
B Carbon, Hydrogen, Nitrogen
C Oxygen, Calcium, Phosphorus
D Carbon, Hydrogen, Potassium
Answer & Explanation
Option: [B]

Your Valuable Comments Please...

Important EBooks for Competitive Exams

VIEW ALL