OCS Prelims Exam 2023
- Batagaika Crater: It is the world's largest permafrost crater located in the Chersky Range of Russia. Presently this area is the focal point of climate change studies on permafrost.
 - Climate of Odisha: According to Koppen, Odisha comes under the tropical savannah climate zone.
 - Black Soil: This soil is found mainly in the districts of Sambalpur, Bolangir, Nuapada, Ganjam, etc. in Odisha. This soil is rich in iron and is suitable for cotton cultivation.
 - Major Passes in India: Shipki La Pass – Himachal Pradesh; Jelep La – Sikkim; Diphu Pass – Arunachal Pradesh; Aghil Pass – Ladakh.
 - Multipurpose Projects: Tungabhadra – Andhra Pradesh and Karnataka; ....
 

