Tag: threats to water resource

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Questions Related to threats to water resource

Multiple choice geography tides and ocean currents movements of ocean and sea water oceanic circulations circulation of ocean water oceans : temperature, salinity and density study of water pollution threats to water resource pollution and environment

The part of the earth which is covered by water is termed as _____________.

  1. Atmosphere

  2. Biosphere

  3. Hydrosphere

  4. Exosphere
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The hydrosphere encompasses all water found on, under, and over the surface of the earth, including oceans, lakes, and rivers.

Multiple choice geography tides and ocean currents movements of ocean and sea water oceanic circulations circulation of ocean water oceans : temperature, salinity and density study of water pollution threats to water resource pollution and environment

The part of the sea which touches the land and is generally not so deep is called ______________.

  1. The high sea

  2. The continental shelf

  3. Isthmus

  4. Lake
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The continental shelf is the shallow, submerged extension of the continent that extends from the shoreline to the shelf break.

Multiple choice movements of ocean and sea water oceans : temperature, salinity and density geography tides and ocean currents circulation of ocean water oceanic circulations study of water pollution threats to water resource pollution and environment

The water of which of the following seas is most saline?

  1. Black Sea

  2. Dead Sea

  3. Baltic Sea

  4. Red Sea
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

With 33.7% salinity, the Dead Sea is one of the world's saltiest bodies of water. The Dead Sea is landlocked and in the lowest valley on earth. All the minerals of the surrounding countryside get washed into one pool, which in turn gets baked by the sun. This concentrates the salts so much that the Dead Sea is 10 times as salty as the ocean.

Multiple choice movements of ocean and sea water oceans : temperature, salinity and density geography tides and ocean currents circulation of ocean water oceanic circulations study of water pollution threats to water resource pollution and environment

The chief source of freshwater is ______________.

  1. Well water

  2. River water

  3. Sea water

  4. Rain water
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Rivers are the primary source of freshwater for human use and ecosystems, as they collect runoff from precipitation.

Multiple choice movements of ocean and sea water oceans : temperature, salinity and density geography tides and ocean currents circulation of ocean water oceanic circulations study of water pollution threats to water resource pollution and environment

The deep sea sediments are deposited mostly by __________________.

  1. microscopic organisms

  2. rivers

  3. ocean currents

  4. None of these
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Deep sea sediments are largely composed of the remains of microscopic organisms (like foraminifera and diatoms) that settle on the ocean floor.

Multiple choice geography tides and ocean currents circulation of ocean water movements of ocean and sea water oceans : temperature, salinity and density oceanic circulations study of water pollution threats to water resource pollution and environment

How much area of the Earth surface is covered by Hydrosphere?

  1. 71%

  2. 75%

  3. 66%

  4. 70%
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Approximately 71% of the Earth's surface is covered by water, which constitutes the hydrosphere.

Multiple choice geography ocean and man circulation of ocean water movements of ocean and sea water oceans : temperature, salinity and density study of water pollution threats to water resource pollution and environment

Which is most abundant element in sea water?

  1. Sodium

  2. Chlorine

  3. Iodine

  4. Potassium
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The most abundant dissolved ions in seawater are sodium, chloride, magnesium, sulfate and calcium. Its osmolarity is about 1000 mOsm/l.

Multiple choice geography hazards major hazards in india and prevention tsunami and floods pollution and environment study of water pollution threats to water resource

Which one of the following will not help in containing air pollution?

  1. Conservation of forests

  2. Expansion of agriculture

  3. Reducing vehicular emission

  4. Use of non-conventional sources of energy
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Expansion of agriculture often involves deforestation and land clearing, which contributes to air pollution rather than containing it.

Multiple choice geography hazards major hazards in india and prevention tsunami and floods pollution and environment study of water pollution threats to water resource

Air pollution according to origin are classified into ______________.

  1. primary pollutants

  2. secondary pollutants

  3. tertiary pollutants

  4. only A and B
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Air pollutants are classified by their origin into primary pollutants (emitted directly) and secondary pollutants (formed in the atmosphere).