Question

A diagram of traditional water harvesting system is given below:
The statement which defines the system and its parts is

(a) This is an ideal setting of the Khadin system and A = Catchment
area; B = Saline area & C = Shallow dugwell
(b) This is an ideal setting of the Shallow dugwell system and A =
Catchment area; B = Saline area and C = Khadin
This is an ideal setting of Catchement area and A = Khadin, B =
Saline area and C = Shallow dugwell
This is showing Saline area and A = Catchment area; B = Khadin
and C = Shallow dugwell​

Answer 1

Answer:

(C) A=khadin, B=saline area and C=shallow dugwell

Answer 2

The correct answer is (a) This is an ideal setting of the and A = Catchment  area; B = Saline area & C = Shallow dugwell

Explanation:

Khadin water harvesting system is an age-old concept in India mainly used in Rajasthan. The harvested water is mainly used for the agricultural field.  It contains several parts-

• Catchment area,
• Khadin or cropped area,
• Khadin bund,
• Saline area
• Shallow dugwell.

1. In the diagram, the “A” marked area is called Catchment  area. From where the rainwater flows down to the khadin or cropped area and stopped by khadin bund. Monsoon rains fill ponds khadin or cropped area.
2. After the khadin bund the “B” marked area in the diagram is Saline area, where the excess water passed across the khadin bund through a pathway.
3. The “C” marked area is Shallow dugwell where excess water is stored.    

The main purpose of the Khadin system is not to hold surface water but to recharge the groundwater.

Advantages-

• It does not evaporate the water, but recharge Shallow dugwell and provide moister.
• Mosquitoes cant breed on water.
• The water is also not contaminated by human or animal waste.