Question

Rainwater harvesting system in mountains region is known as _________
A.Guls
B.Tankas
C.Johads
D.Baolis

Answer 1

Hint:In the hilly areas of Himalayas, trenches were different to divert water from rivers in order to use it for agricultural purposes and to use it for domestic purposes. Water flow can be regulated from the circular tank.

Complete answer:
 Rainwater harvesting is required for agricultural purposes, to collect drinking water and to irrigation purposes. Tankas which means small tanks are basically unground ranks which can be generally found in houses of semi-arid regions of Rajasthan . Tankas are built in the main house or in the courtyard as circular holes in the ground. Water for the purpose of drinking is stored into it.
Johads rainwater harvesting started in the year 1984. These were small earthen check dams that serve the purpose to capture and conserve rainwater in order to improve percolating and groundwater recharge. These are spread over 650 villages in Alwar. The result of Johad is that it led to an increase in the level of groundwater.

Baolis are traditional steps which are usually found in Gujarat, Rajasthan and other parts of northern India. These were built by nobility due to philanthropic purposes. They are mostly defunct. They served utilitarian purposes and to make the surrounding cool.
Guls or Kuls are used as channels and are built in the hilly areas of Western Himalayas to serve the purpose of agriculture. They are used for the purpose of irrigation and used as a diversion channel. They are used in Himachal Pradesh.

Hence, the correct answer is option (A).

Note:In the mountainous region, Guls is the rainwater harvesting system. These are diversion channels used in the Western Himalayas for agricultural purposes. Gul leads to a circular tank in which water is released when required.