Tag: elements of weather and climate : temperature

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Multiple choice evs - i hydrologic cycle the atmosphere elements of weather and climate :humidity hydrologic cycle and its components elements of weather and climate : temperature

Precipitation and groundwater are sources of _________.

  1. Fresh water

  2. Pure water

  3. Rain water

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

  • Globally water occupies a major portion. Water constitutes 96.5 % on the earth and rest is land. Of the total water content fresh water contributes a very little portion of 2.5%. Fresh water sources include:
  • Groundwater - water found in shallow aquifers beneath the earth's surface. This water is generally found at depths up to around 2,000 feet deep.
  • Precipitation: It is nothing but the rain water which is an important source of fresh water. In fact it is the purest natural source of fresh water.

Multiple choice geography hydrologic cycle the atmosphere elements of weather and climate :humidity hydrologic cycle and its components elements of weather and climate : temperature

Rain gauge is used to measure the amount of rainfall and it should be placed in an open space so that ___________________.

  1. Rain should not enter into it from the ground

  2. 30 Cm above the ground level

  3. The run-off from buildings or trees should not enter the funnel

  4. All the above conditions are needed
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation
  • A rain gauge is a little cylindrical container that collects rainwater falling into it to measure the rainfall during a particular period.
  • Certain conditions are needed to be fulfilled for accurate measurement of rainfall viz water should not enter into the rain gauge from any source other than direct rainfall and the rain gauge instrument has to be kept at a certain height. 
Multiple choice geography hydrologic cycle the atmosphere elements of weather and climate :humidity hydrologic cycle and its components elements of weather and climate : temperature

The place receiving the highest amount of rainfall in the world is _________________.

  1. Cherrapunji

  2. Mt.Waialeale

  3. Mt Cameroon

  4. Mawsynram
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation
  • Mawsynram located in Meghalaya, India receives 11871 mm of annual rainfall which is highest in the world thus option D is the correct answer.
  • Cherrapunjee is located only  15 km away from Mawsynram is in second place in terms of the amount of rainfall.
Multiple choice geography hydrologic cycle the atmosphere elements of weather and climate :humidity hydrologic cycle and its components elements of weather and climate : temperature

Absolute humidity is the ____________ amount of water vapor present in the air.

  1. half

  2. total

  3. one third

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

Absolute humidity is the total amount of water vapor present in the air. In other words, the weight of water vapor per volume of air is referred to as the absolute humidity. It is usually expressed as grams of water vapor per cubic meter of air. Absolute humidity varies with the expansion or contraction of air, even though the amount of water vapor is constant.

Multiple choice geography hydrologic cycle the atmosphere elements of weather and climate :humidity hydrologic cycle and its components elements of weather and climate : temperature

Convectional rainfall usually occurs in __________.

  1. deserts

  2. equatorial region

  3. taiga

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

Convectional rainfall occurs when surface of the earth is heated up by the sun. The warm surface also heats up the air. As air rises it cools down and begins to condensate. Further rising and cooling causes a large amount of condensation to occur and rain is formed. Conventional rainfall usually occurs in the equatorial region.

Multiple choice geography hydrologic cycle the atmosphere elements of weather and climate :humidity hydrologic cycle and its components elements of weather and climate : temperature

A rainbow is caused by _____________.

  1. Heavy downpour

  2. Refraction and reflection of sunlight

  3. Change in temperature

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

Rainbow is caused by reflection, refration and dispersion of light in water droplets resulting in a spectrum of light appearing in the sky. It is a meterological phenomenon. It is caused in the presence of sunlight. It appears in the section of sky which is directly opposite to the sun.

Multiple choice geography hydrologic cycle the atmosphere elements of weather and climate :humidity hydrologic cycle and its components elements of weather and climate : temperature

Sublimation is _________________.

  1. Conversion of solid molecule directly into gaseous state.

  2. Conversion of solid molecule directly into liquid state .

  3. Conversion of liquid molecule directly into solid state.

  4. None of these
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation
The process of conversion of the solid molecules directly into gas is known as sublimation. Generally, Ice converts to water and this water converts to water vapor (gas). So the process of conversion of states of matter is solid converts to liquid and this liquid boils out to give gas. But, the liquid state is devoid in case of sublimation. Conversion of Camphor to gas is an example of sublimation. Sublimation helps to dry substance within getting moist. It is also beneficial in medicines. Water also undergoes sublimation at the triple point.
Multiple choice geography hydrologic cycle the atmosphere elements of weather and climate :humidity hydrologic cycle and its components elements of weather and climate : temperature

The water  molecule absorb energy from surroundings, this energy is called as  ______________.

  1. Molecular energy

  2. Latent energy

  3. Heat energy

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

B.  Latent Energy

 Latent heat is the energy absorbed by or released from a substance during a phase change from a gas to a liquid or a solid or vice versa.  If a substance is changing from a solid to a liquid, for example, the substance needs to absorb energy from the surrounding environment in order to spread out the molecules into a larger, more fluid volume.  If the substance is changing from something with lower density, like a gas, to a phase with higher density like a liquid, the substance gives off energy as the molecules come closer together and lose energy from motion and vibration.

Multiple choice geography hydrologic cycle the atmosphere elements of weather and climate :humidity hydrologic cycle and its components elements of weather and climate : temperature

Absolute Humidity is the ___________.

  1. Actual amount of water vapour present in air.

  2. Actual amount of solid particles present in air.

  3. Both a and b

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

Absolute humidity is the actual amount of water vapour present in air. It is expressed as grams of moisture per cubic meter of air. It is calculated by finding the mass of water vapor in an area and dividing it by the mass of air in the same area. Absolute humidity may range from 0 gram per cubic meter in dry air to 30 grams per cubic meter when the vapour is saturated at 30 $^oC$. As the temperature of air increase, humidity also increases.

Multiple choice geography hydrologic cycle the atmosphere elements of weather and climate :humidity hydrologic cycle and its components elements of weather and climate : temperature

Condensation is the phenomenon of

  1. Converting gaseous molecule from gaseous state to liquid state.

  2. Converting gaseous molecule from gaseous state to solid state.

  3. Inter conversion of solid molecule to liquid molecule.

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

The phenomenon by which gaseous molecules convert from gaseous state to liquid state is called condensation. It is the process by which water vapor in the air is changed into liquid water. Condensation is responsible for the formation of clouds. That’s why it is crucial to the water cycle. These clouds produce precipitation which is the primary route for water to return to the Earth’s surface through rain. Condensation is the opposite of evaporation.