UPSC Civil Services Model Paper 5

Lake Baikal is located in the southern part of eastern Siberia within the republic of Buryatia and Irkutsk oblast (province) of Russia .
It is the oldest existing freshwater lake on Earth (20 million–25 million years old), as well as the deepest continental body of water .
Hence, statement 1 is correct.
It is also the world’s largest freshwater lake by volume , containing about one-fifth of the fresh water on Earth’s surface.
Hence, statement 2 is NOT correct.
It is the second-longest after Lake Tanganyika .
Hence, statement 3 is NOT correct.
Into Lake Baikal flow more than 330 rivers and streams, the largest of which include the Selenga, Barguzin, Upper (Verkhnyaya) Angara,Chikoy, and Uda .
Plant and animal life in the lake is rich and various.
The majority of the species are endemic to Baikal.
Industries along the shores of Baikal include mining (mica and marble), the manufacture of cellulose and paper, shipbuilding, fisheries, and timber .
The Lake Baikal Coastal Protection Zone, covering the lake and its environs (a total of 34,000 square miles [88,000 square km]), was created in1987, and the same area was designated a UNESCO World Heritage site in 1996 .