Questions
According to the UN, the minimum amount of water required by a person for personal use and for maintaining hygiene is around
- 71 litres
- 50 litres
- 97 litres
- 22 litres
- None of these
The amount of saline water on Earth is
- 71% of the water on the Earth
- 97% of the water on the Earth
- 2% of the water on the Earth
- 1% of the water on the Earth
- There is no saline water
In which of the following processes the water enters the ground and fills the spaces and the cracks underground?
- Infiltration
- Transpiration
- Seeping
- Draining
- None of these
Which of the following sources have a common source of water, i.e. the underground water?
(a) Well
(b) Tap
(c) Tube well
(d) Tanker
(e) Bore well
- Only (a), (c) and (e)
- Only (b) and (d)
- Only (c) and (e)
- Only (a) and (d)
- All of these
Which of the following is correct regarding a water table?
- The upper layer of oceans or lakes is the water table.
- The upper layer of the ground water is the water table.
- The land formed at the mouth of a river is called a water table.
- A shallow body of water surrounded by sand dunes is called a water table.
- None of these
The three forms of water can be seen in the water cycle. In which of the following parts can one see the solid form of water?
- Lakes
- Poles of the earth
- Under the earth
- Air
- Oceans
Which of the following processes in water cycle takes place in the atmosphere, and not on the earth's surface?
- Precipitation
- Evaporation
- Draining
- Condensation
- Transpiration
Which of the following rivers originate in the Himalaya?
(a) Indus
(b) Kaveri
(c) Ganges
(d) Brahmaputra
(e) Pennar
- Only (a), (b) and (c)
- Only (b) and (d)
- Only (d) and (e)
- Only (a), (c) and (d)
- Only (b) and (e)
What is an aquifer?
- A hole dug underground
- The space between the rocks below the water table
- The pores in the leaves for transpiration
- A pump to pump out the underground water
- A place built to store water in the village
Which of the following is not the reason behind the decrease in water table level?
- Increasing number of roads and pavements
- Deforestation
- Scanty rainfall
- Increase in number of parks
- Increase in industrial activities
Which of the following has no role in managing water?
- Rain water harvesting
- Constructing dam
- Drip irrigation
- Industrial boom
- Repairing the leaking taps
Which of the following is the most used source of potable water for the villagers?
- Sea
- Rain water collected
- Well
- Tanks
- Canals
What does recharging the ground water means?
- To pump underground water out
- To conserve underground water
- To use underground water
- To clean the ground water
- All of the above
Which of the following is not a fresh water body?
- Sea
- Lake
- Pond
- Stream
- River
In which of the following methods minimum water is used for maximum plants?
- Rainwater harvesting
- Infiltration
- Drip irrigation
- Canal irrigation
- None of these