OCS Prelims Exam 2023

  • Chilika Lake: It is located in Puri, Ganjam and Khordha districts of Odisha. This is a lake of brackish water.
    • It was designated as a Ramsar site in 1981. Approximately 160 types of birds are found in Chilika lake.
  • Greenhouse Gases: Greenhouse gases are the gases in the atmosphere that raise the surface temperature of earth. The term greenhouse gas was first used by Nils Gustaf Ekholm.
    • Carbon dioxide (CO2), Methane (CH4), Nitrous Oxide (N2O), Ozone (O3) and water vapor are greenhouse gases.
  • Nitrogen Fixation: More than 90% of all nitrogen is fixed by soil microorganisms in the form of ammonia, nitrites and nitrates. ....
Do You Want to Read More?
Subscribe Now
To get access to detailed content

Already a Member? Login here

Take Annual Subscription and get the following Advantage
The annual members of the Civil Services Chronicle can read the monthly content of the magazine as well as the Chronicle magazine archives.
Readers can study all the material since 2018 of the Civil Services Chronicle monthly issue in the form of Chronicle magazine archives.
Be an Annual Subscriber

GS PT Pointers