Ground water and its sources

Q. Porous rocks are also called ______ rocks

1. permeable
2. pervious
3. (a) and (b) above.
4. None of the above

Q. Groundwater can be found at what depth.

1. 10-20m
2. 100m
3. 500m
4. None of the above

Q. Granite is found in ______

1. Andhra pradesh
2. Tamil nadu
3. Kashmir
4. None of the above

Q. Water that is absorbed into the ground accumulates and forms a layer of water underground which is called an _________.

1. aquifer
2. filter
3. tank
4. None of the above

Q. Impermeable rocks are those rocks which ________.

1. let the water pass
2. makes the water to overflow
3. None of the above
4. do not let the water pass

Q. What is watershed development projects?

1. To decrease the flow of water and to ensure that the water has a greater chance of percolating into the ground.
2. To increase the flow of water and to ensure that the water has a greater chance of percolating into the ground.
3. None of the above
4. To extract the water from the underground.

Q. What are the methods for recharging groundwater?

Q. Hot springs are ________.

1. freshwater
2. natural source of hot water
3. cold water
4. None of the above

Q. Granite is an example of which rock?

1. permeable
2. impermeable
3. cant say
4. None of the above

Q. If an artificial hole is made in order to extract this water, it is known as an ___________.

1. None of the above
2. Geyser
3. Artesian well
4. Aquifer

Q. Intermittent spring which is a natural source of water from which water can be obtained but ________.

1. (a) and (b) above
2. only sometimes
3. None of the above
4. through borewell

Q. In order to stem the flow of water, _______ can be planted in the path of the water.

1. bricks
2. (a) and (b) above.
3. None of the above
4. grass

Q.

De Sean is Sorting his rock collection.$\frac{2}{3}$ of the rocks are metamorphic, and $\frac{3}{4}$ of the remainder are igneous rocks.

If the $3$ rocks left over are sedimentary, how many rocks does De Sean have?

Q. Aquifer denotes the ________.

1. ground water level
2. purity
3. basin level
4. None of the above

Q. ____________ absorb some of Earth’s internal heat.

1. Thermal spring
2. Oasis
3. None of the above
4. Pernicious spring

Q. Spring is a _________.

1. water body that has water that emerges from under the ground naturally
2. water body that emerges from the sea
3. metal
4. None of the above

Q. A ____ is also a natural source of hot water

1. geyser
2. waterfall
3. river
4. None of the above

Q. In order to stem the flow of water, _______ can be planted in the path of the water.

1. bricks
2. (a) and (b) above.
3. None of the above
4. grass

Q. Water that is absorbed into the ground accumulates and forms a layer of water underground which is called an _________.

1. aquifer
2. filter
3. tank
4. None of the above