Karez system was recently in news. It is related to?
Correct Answer : c ) Irrigation systemExplanation :
Karez or Qanat is one of the water management and irrigation systems in Afghanistan. It covers 8% of irrigated land in Afghanistan.
Karez system is like an underground canal, which is built to tap groundwater sources and provide water for various uses to people living in nearby areas. Water in this system does not evaporate and is filtered till it comes to the surface.
People in the southeast Arabian Peninsula are considered the first developer of Qanat by few historians.
The system spread to many regions including the Indian Subcontinent. In the Indian Subcontinent, it was brought during the Bahamani Kingdom.
Hence, option (c) is correct.