Answer: Option A
:
Each method: 0.5 Mark
The various methods that we can use to prevent groundwater depletion are: 
i) Build Bawris to store rainwater.
ii) Turn off taps while brushing.
ii) Mop the floor instead of washing it.
iv) Use drip irrigation instead of tube wells for agricultural practices.
v) Practice rainwater harvesting.
vi) The roots of a plant hold the soil firmly and prevent soil erosion. The roots of plant absorb and store water in them.