Question

Ahars, Kattas, Bhundhis and Khadins are the modes of
A. afforestation
B. deforestation
C. soil conservation
D. water harvesting

Answer 1

Inspite of huge scope advancement of surface and ground water through major, medium and minor undertakings by the administration, the rural individuals in various pieces of the nation actually have to rely upon conventional water collecting to meet their water necessities. The procedures also differ from locale to area contingent on their particular issues, nature of landscape, atmosphere, hydrogeological conditions and so forth.

Complete answer:
A khadin, likewise called a dhora, is an astute development intended to gather surface overflow water for horticulture. Its fundamental component is an exceptionally long (100-300 m) earthen dike worked over the lower slope inclines lying beneath gravelly uplands. Floodgates and spillways permit abundant water to deplete off. The khadin framework depends on the guideline of gathering water on farmland and ensuing utilization of this water-immersed land for crop creation. An ahar is a catchment bowl embanked on three sides, the 'fourth' side being simply the regular inclination of the land. Ahar beds were additionally used to grow a rabi (winter) crop subsequent to emptying out the abundance water that stayed after kharif (summer) development. 'Kattas'were impermanent check dams worked across streams and creeks used to be a typical sight in the regions of Kerala and Karnataka till twenty years prior. These customary structures were developed each year to ration water for the summer water system.

So, the correct answer is option D.

Note:
Mains water is a valuable asset because of increments sought after from our consistently developing populace. Changes in precipitation designs have seen both dry season conditions and flooding. Water harvesting can give around 50% of a family's water needs. This spares water, however sets aside cash and lessens our effect on the climate.
The individuals of rural India utilize various techniques to gather water. Water-collecting strategies utilized rely upon the area where it is to be utilized.