Tag: water in our life

Questions Related to water in our life

Part of earth covered by water is about :

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

  1. 71%

  2. 50%

  3. 92%

  4. 87%

Show answer
Correct Option: A
Explanation:

About 71% of earths surface is covered by water & about 96% of water is present in oceans

So, the correct answer is '71%'

Water occurs in frozen state over the land is

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

  1. 0.75%

  2. 1.97%

  3. 2.1%

  4. 2.5%

Show answer
Correct Option: B
Explanation:
  • 70% of the Earth's surface is water. Of this 70%, 98% is salt water, leaving 2% as fresh water. Of the 2% that is fresh, about 90% is frozen(i.e 1.97%of the total water). This frozen water is locked up in the Antarctic ice sheets and glaciers on the Alps, etc.
  • Hence Water occurs in the frozen state over the land is 1.97%.
  • So, the correct answer is '1.97%'.

Water shortage is a problem faced only by people living in rural ares.

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

  1. True

  2. False

Show answer
Correct Option: B
Explanation:
  • Water shortage is a problem faced only by people living in rural areas because water problem is faced by all people rural as well as urban but urban areas face water problem more because the water used in urban areas is more.
  • Hence Water shortage is a problem faced only by people living in rural areas is a False statement.

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%

Show answer
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%

Show answer
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%

Show answer
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

Show answer
Correct Option: A