Tag: uses of water

Questions Related to uses of water

Percentage of fresh water in hydrosphere is

evs water in our life where do we get water from? why conserve water uses of water

  1. Less than 10%

  2. Less than 25%

  3. Less than 3%

  4. Less than 17%

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Correct Option: C
Explanation:

Hydrosphere includes all water on the earth's surface, such as lakes, rivers, seas, oceans etc. The biggest reservoir of fresh water in hydrosphere are glaciers and polar ice that contain just over 2% of the available water and is fresh water. Thus the correct answer is option C.

Percentage of total water found as fresh water is 

evs water in our life where do we get water from? why conserve water uses of water

  1. 46%

  2. 32%

  3. 16%

  4. 2.5%

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Correct Option: D
Explanation:

Only 2.5% of total water present on the surface of the earth is present as freshwater which can be used for drinking and is potable. Rest of it is present in the form of seawater which is not salt-free and cannot be used for drinking. So, freshwater should be used very judiciously and used for drinking.

So, option D is the correct answer.

Out of the total percentage, of water present as ground water is

evs water in our life where do we get water from? why conserve water uses of water

  1. 0.1%

  2. 0.3%

  3. 0.5%

  4. 0.75%

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Correct Option: C
Explanation:

Ground water can be defined as the water found beneath the surface of earth due to seepage of water from rain and other water bodies

So, the correct answer is '0.5%'

Estuaries are considered as nutrient trap due to the mixing of

evs water in our life where do we get water from? why conserve water uses of water

  1. River and sea water

  2. Pond and lake

  3. Lake and river

  4. Ocean and pond

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Correct Option: A