Question

Rooftop rainwater harvesting is the most common practice in ________.
a. Shillong
b. Guwahati
c. Imphal
d. Patna

Answer 1

Hint:
Rooftop rainwater harvesting (RWH) the assortment and capacity of a downpour, instead of permitting it to run off. Water is gathered from a rooftop like surface and diverted to a tank, storage, profound pit (well, shaft, or borehole), spring, or a supply with permeation.

Complete solution:
 Rooftop water harvesting is the most widely recognized practice in Shillong, Meghalaya. It is intriguing on the grounds that Cherapunjee and Mawsynram arranged a way off of 55 km. from Shillong to get the most noteworthy precipitation on the planet, yet the state capital Shillong faces intense lack of water. Virtually every family in the city has a housetop water gathering structure. Almost 15-25 per cent of the absolute water prerequisite of the family originates from housetop water reaping. Meghalaya has a keen arrangement of tapping streams and springwater by utilizing bamboo lines to inundate manors. Around 18-20 litres of water entering the bamboo pipe framework every moment gets moved more than a few hundred meters lastly gets diminished to 20-80 drops for each moment at the site of the plant. It is fascinating in light of the fact that Cherapunjee and Mawsynram arranged a good way off of 55 km. from Shillong to get the most noteworthy precipitation on the planet, yet the state capital Shillong faces an intense deficiency of water. In rooftop gatherings the rooftop turns into the catchments and the water is gathered from the top of the house/building. It can either be put away in a tank or redirected to fake revive framework. This technique is more affordable and successful and whenever executed appropriately helps in expanding the groundwater level of the territory.

Note:
Rooftop top downpour water gathering should be possible at any structure, huge or little, where every one of the accompanying structures is a portion of the RWH structure. The RWH framework chiefly comprises catchment zone, transportation, flushing and channel media (Sand rock channel/Charcoal channel). The rooftop top water is gathered and put away for direct use or it tends to revive the groundwater level.