Online GK Series

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

Physics - General Science Objective Questions and Answers for Competitive Exams


Ultra violet radiations of the Sun do not reach the earth because of the layer of :

A Ozone
B Carbon di-oxide
C Nitrogen
D Ammonia
Answer & Explanation
Option: [A]

Your Valuable Comments Please...

Important EBooks for Competitive Exams