Question

In ancient India, along with the sophisticated hydraulic structures, there existed an extraordinary tradition of __________ system?
A. Water Harvesting
B. Water Discharging
C. Water Purifying
D. Salinisation of water

Answer 1

Hint: This is a system that includes a technology that includes collection of rainwater and using them for various purposes in the future. This water was then used for various domestic as well as economic purposes.

Complete Answer:
Option A- Water harvesting is a traditional method of storing rainwater, run-off water and flood water and then with the help of technology purifying the same for future use. This practice of harvesting water dates back to the Vedic times when there was need to store plenty of water for future use. Big holes were dug to store rainwater, path of the streams or run-off waters were diverted or some part of the river water was channelised to an open area to store water.
Option B- Water discharging is discovered in the years with the growth of urbanisation. Some rivers are designed to discharge wastewater so that the wastewater produced by the domestic works gets released.
Option C- Water purifying is a recently developed technology that includes processing of water in a machine that removes harmful chemicals, biological contaminants, and many other impurities so that a purely purified form of water is produced that is good for domestic use, especially for drinking purposes.
Option D- Salinisation of water is the increase of salt concentration in the soil that is mainly caused by dissolved salts in the water supply.
Therefore, from the above analysis it can be seen that option A, Water Harvesting is the correct answer.

Note: There are many utilities of water harvesting apart from the use for domestic purposes. Some of them are, reduction of silting in the rivers; control of flood and run-off water; reduction of soil erosion and many more.