Tag: water sources around us

Questions Related to water sources around us

 Which of the following is not a source of potable water?

evs every drop counts natural cycles and resources water sources around us natural resources - air, water and land

  1. Well

  2. River

  3. Lake

  4. Sea

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Correct Option: D
Explanation:

Potable water means drinking water. Well, river and lake contain drinking water as these all contain either rainwater and groundwater which is suitable for drinking. The sea which contains salty water that is not suitable for drinking is not a source of potable water.

The water cycle is driven by the:

evs every drop counts natural cycles and resources water sources around us natural resources - air, water and land

  1. moon

  2. sun

  3. oceans

  4. clouds

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Correct Option: B
Explanation:

The water cycle is driven by the sun.

As the water cycle is driven by the energy provided by the sun.
As evaporation is caused by the sunlight which is a major process of water cycle.
So water cycle is majorly driven by the sun.

The water in the oceans and seas has many ______ dissolved in its.

evs every drop counts natural cycles and resources water sources around us natural resources - air, water and land

  1. bases

  2. iron

  3. acids

  4. salts

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Correct Option: D
Explanation:

The water in the oceans and seas has many salts dissolved in it. The most abundant ions in sea water are $Cl^-, Na^+. SO _4^{2-}, Mg^{2+}, K^+$.

Well water is an example of surface water.

evs every drop counts natural cycles and resources water sources around us natural resources - air, water and land

  1. True

  2. False

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Correct Option: A
Explanation:

True. Well water is an example of surface water because it appears on the surface and it is not ground water.

Which of the following is correct?

evs every drop counts natural cycles and resources water sources around us natural resources - air, water and land

  1. Ocean water is fit for agricultural and industrial needs

  2. Oceans play an important role in supplying the water that we use

  3. Ocean water is not saline

  4. None of the above

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Correct Option: B
Explanation:

Option B is correct.

Oceans play an important role in supplying the water that we use.