Geography
What is an aquifer?
- An underground well that readily gives out water on digging the land.
- An underground pond that was once a source of water and is now buried under rocks.
- An underground stream saturated with water that is transmitted readily on to the surface.
- None of the above.
Related Questions
Which of the following does not conserve water?
- Rainwater harvesting
- Using bottled drinking water only
- Water recycling
- Drip irrigation
Assertion (A): Many states have recorded a sharp fall in the groundwater levels, ranging from 70 to 80 per cent.
Reason (R): With the increase in population the demand for water has risen.
- Both A and R are true and R is the correct explanation of A.
- Both A and R are true but R does not explain A.
- A is true but R is false.
- A is false but R is true.
Which of the following is a cause for the decline in groundwater levels?
- Irregular and erratic rainfall
- Urbanisation
- Loss of vegetative cover
- All of the above.
Sprinkler irrigation is also known as ……………. .
- Seepage irrigation
- Overhead irrigation
- Protected irrigation
- Nozzle irrigation