Question

Which one of the following is not a lake created by human beings?
A. Gobind Sagar
B. Nizam Sagar
C. Barapani
D. Hirakud

Answer 1

Hint: India comprises various kinds of lakes, be it man-made or natural is helpful for the Indian biological system, for example, creating hydroelectric power or directing water for irrigation purposes.

Complete answer: Lakes are a consequence of glacial or tectonic activity in a region. It can likewise be shaped by human beings or through nature by a wandering stream. As such, the lake normally alludes to huge body water which is encircled by land on the entirety of its side.
Now let us examine the options
Option A - Gobind Sagar is a reservoir created by human beings in honour of Guru Gobind Singh. This reservoir is located on Sutlej river in the Bilaspur district of Himachal Pradesh. It is also one of the world’s highest gravity dams.
Option B - Nizam Sagar is a reservoir constructed across the river Manjira which is a tributary of Godavari river. It is named after the Nizam of Hyderabad, located 144 kilometres north-west of Hyderabad.
Option C - Barapani lake, also known as Umiam lake is located 15 kilometres away from Shillong, Meghalaya with a catchment area of 220 square kilometres. The lake water is useful for downstream irrigation, drinking water and for fishing purposes.
Option D - Hirakud in terms of area is the largest man-made lake situated on the river Mahanadi 15 kilometres away from Sambalpur district of Odisha.

Thus, the correct answer is option (C).

Note: The Government of India had taken certain initiatives in 1985 by launching the National River Conservation Plan (NRCP) and the Ganga Action Plan (GAP) to regulate the growing demand of water.