CBSE Questions for Class 8 General Knowledge General Physical Geography Quiz 8 - MCQExams.com

What happens to the water height as the tsunami waves approach the coast?
  • Decreases
  • Increases
  • Increases and decreases alternatively
  • Neither increases nor decreases
In which one of the following areas is monsoon climate found?
  • Pacific coast of Columbia
  • South-Eastern United States
  • Southern part of South Africa
  • Central California
Wind is often found to blow in a hot summer day due to _______.
  • conduction of heat between air and soil on the Earth
  • radiation from the soil
  • convection current of air
  • None of the above
What causes wind to deflect towards left in the Southern hemisphere?
  • Temperature
  • Magnetic field
  • Rotation of the earth
  • Pressure
The phenomenon of 'trade winds' takes place due to _______.
  • conduction of heat
  • convection of heat
  • radiation
  • All of these
Rain bearing clouds look black because _______.
  • all light is scattered by them
  • the large number of water droplets in them absorb all the sunlight
  • they reflect the sunlight back into the atmosphere
  • there is a lot of dust condensed on the water vapour in such clouds
Consider the following statements.
The extension of high pressure into a region of low pressure is called Ridge.
The extension of low pressure into a region of high pressure is called Trough.
Which of the following statements given above is/are correct? 
  • Only 1
  • Only 2
  • 1 and 2
  • None of these
Why the summer monsoon winds blow from South-Western direction in the Northern hemisphere? 
  • The general direction of wind from the Indian Ocean is South-Western
  • The presence of the doldrums around the equator
  • The low pressure conditions in North-West India
  • Due to the effect of Coriolis force
Which one of the following is the correct sequence of increasing velocity of wind?
  • Light breeze-Fresh breeze-Gale- Hurricane
  • Fresh breeze-Light breeze-Hurricane- Gale
  • Light breeze-Gale-Fresh breeze- Hurricane
  • Hurricane-Light breeze-Gale-Fresh breeze
Which one among the following is the idealised global pattern of surface wind from the Equator to Pole? 
  • Doldrums-Westerlies-Trade Wind- Easterlies
  • Easterlies-Westerlies Trade Wind-Easterlies
  • Doldrum-Trade Wind-Westerlies- Easterlies
  • Westerlies-Trade Wind- Doldrum- Easterlies
Which of the following statements is/are correct?
Geomatics- involves the use of traditional spatial techniques used in cartography and topography and their application to computers.
Geographic information system- designed to capture, store, manipulate, analyse, manage, and present all types of geographically referenced data.
Global positioning system- space-based satellite navigation system that provides location and time information in all weather, anywhere on or near the earth.
  • Only 1
  • 1 and 2
  • 1 and 3
  • All of these
If a small raindrop falls through air ______.
  • its velocity goes on increasing
  • its velocity goes on decreasing 
  • its velocity goes on increasing for some time and then becomes constant 
  • it falls with constant speed for some time and then its velocity increases
Which among the following statements characterise El Nino? 
It occurs at irregular intervals.
It carries warmer water.
It carries less saline water.
Its atmospheric equivalent is Southern oscillation.
Select the correct answer using the codes given below.
  • 1 and 2
  • 2 and 3
  • 3 and 4
  • All of these
Which one of the following planetary wind is known to blow steadily in the same direction and in the constant course? 
  • Trade winds
  • Westerlies
  • Equatorial Easterlies
  • Polar Easterlies
Which one among the following is not an important factor of climate of an area? 
  • Latitude
  • Longitude
  • Distance from the sea
  • Altitude
Frontal rain is caused by _______.
  • convection currents
  • winds from sea
  • cyclonic activity 

  • consideration of water evaporation from mountains

Which one of the following provides the force needed to drive the atmospheric circulation?
  • Higher biotic content of the tropical latitudes and lower piotic content of the polar latitudes.
  • The energy content between high insolation tropical latitudes and the low insolation polar latitudes.
  • Higher rotational speed of lower latitudes and lower rotational speed of higher latitudes.
  • Equatorial radius of the earth is longer than the polar radius.
Which one of the following clouds has the greatest vertical extent which brings convectional rain accompanied by lightning and thunder? 
  • Altocumulus
  • Cirrocumulus
  • Cirrostratus
  • Cumulonimbus
Which one of the following statements is not correct ?
  • Temperatures decrease from the equator to poles.
  • Temperatures in equatorial regions change substantially from January to July.
  • Large land masses located in the sub-Arctic and Arctic zones develop centres of extremely low temperatures in winter.
  • Highlands are always colder than surrounding lowlands.
Which one of the following statements about the atmosphere is correct?
  • The atmosphere has definite upper limits but gradually thins until it becomes imperceptible.
  • The atmosphere has no definite upper limits but gradually thins until it becomes imperceptible.
  • The atmosphere has definite upper limits but gradually thickens until it becomes imperceptible.
  • The atmosphere has no definite upper limits but gradually thickens until it becomes imperceptible.
Consider the given statements:
Coriolis effect is zero at the Equator.
Coriolis effect is more towards the poles.
Coriolis effect is related to the decreasing rotational velocity with increasing latitudes.
Coriolis effect is related to the increasing rotational velocity with increasing latitudes.
Which of the statements given above are correct?
  • 2, 3 and 4
  • 2 and 4
  • 1, 2 and 3
  • All of the above
Which one of the following weather conditions is indicated by a sudden fall in barometer reading? 
  • Stormy
  • Calm weather
  • Cold and dry weather
  • Hot and sunny weather
Logically, what does a continually rising air pressure indicate? 
  • Advent of unsettled and cloudy weather
  • Advent of a cyclone
  • Fine and settled weather
  • Fine and unsettled weather
Which one of the following is suitable for Koppen's  'A' type of climate?
  • High rainfall in all the months
  • Mean monthly temperature of the coldest month more than freezing point
  • Mean monthly temperature of all the months more than 18° C
  • Average temperature for all the months below 10° C
Which of the following statements regarding Mediterranean and Monsoon climate is/are correct? 
Precipitation in Mediterranean climate is in winter while in Monsoon climate it is mostly in summer.
The annual range of temperature in Mediterranean climate is higher than the Monsoon climate.
Rainy and dry seasons are found in both the climates.
Select the correct answer using the code given below:
  • Only 1
  • 2 and 3
  • 1 and 3
  • 1, 2 and 3
A region with summer temperature of $$20^0$$C, winter  temperature of $$-15^0$$C, annual rainfall of about $$50$$ cm, mainly in spring and early summer and coniferous vegetation would lie in the ______.
  • Cool temperature marginal type environment
  • Prairie type environment
  • Cool temperature central or Siberian type environment
  • Manchurian type environment
The windward slopes of coastal mountains which are at right angles to wind blowing from the sea are wetter than the leeward slopes. This is because _______.
  • they are nearer the sea
  • the winds have to rise to cross them
  • descending winds are warm
  • the sea is warmer than the land
Consider the following statements.
I. The temperature at which air gets saturated is called dew point.
II. Heat energy is generally measured in terms of calorie.
III. Equatorial regions are characterised by highest relative humidity.
IV. Relative humidity is defined as the total weight of moisture contained (water vapour) per volume of air at a definite temperature.
Which of the statements given above is/are correct? 
  • All of these
  • I, II and III
  • I, II and IV
  • Only I
Which one of the following conditions does not favour the formation of a tropical cyclone?
  • Temperature above $$27°$$C
  • Significant vertical wind difference
  • High humidity levels
  • Divergence in the upper atmosphere
What is the name of the winds that blow from the subtropical high pressure belt towards the subpolar low pressure belt?
  • Easterlies
  • Trade winds
  • Westerlies
  • Western disturbances
Most of the weather phenomena take place at troposphere only because _______.
  • temperature remains almost constant in troposphere
  • it contains electrically charge particles 
  • it absorbs harmful ultraviolet radiation from the sun 
  • it contains almost all the vapour and most dust particles
Which of the following factors is primarily responsible for the planetary wind belts?
  • The Earth's rotation
  • Alternate areas of low and high pressure
  • Differential rates of heating of water and land surfaces
  • The tilt of Earth's axis
Jet streams are usually found in the _______.
  • Ozonosphere
  • Mesosphere
  • Troposphere
  • Ionosphere
Consider the following statements about the 'Roaring Forties'.
They blow uninterrupted in the Northern and Southern hemispheres.
They blow with great strength and constancy.
Their direction is generally from North-West to East in the Southern hemisphere.
Overcast skies, rain and raw weather are generally associated with them.
Which of the statements given above are correct?
  • 1, 2 and 3
  • 2, 3 and 4
  • 1, 3 and 4
  • 1, 2 and 4
Which one of the following basins experiences convectional rainfall?
  • Amazon
  • Ganga
  • Hwang Ho
  • Mississippi
Which one of the following experiences the least annual range of temperature?
  • Arctic circle
  • Tropic of Capricorn
  • Tropic of Cancer
  • Equator
Climate is extreme, rainfall is scanty and the people used to be nomadic herders. The above statement best describes which of the following regions?
  • African Savannah
  • Central Asian Steppe
  • North American Prairie
  • Siberian Tundra
Which one of the following sets are the low clouds?
  • Altostratus, Altocumulus and Nimbostratus
  • Cirrus, Cirrostratus and Cirrocumulus
  • Stratus, Nimbus and Cumulus
  • Cirrus, Cirrostratus and Altostratus
When is fog formed?
  • It is formed when the condensation occurs below the freezing point
  • It is formed when the airmass is condensed on a solid surface of the earth
  • It is formed when various water droplets remains suspended in the air
  • None of the above
Choose the correct statement:
Purga is snow laden cold wind in Russian Tundra.
Bise is an extremely cold wind in France.
Yamo is a warm and dry wind in Japan.
Santa Ana is a warm and dry wind in Argentina.
  • 1 and 2
  • 1,2 and 4
  • 1,2 and 3
  • All of these
Consider the following statements regarding lapse rate:
An unsaturated air mass cools at dry adiabatic lapse rate when it rise in the atmosphere
The dry adiabatic lapse rate amounts to 1°C per 100 m
The wet adiabatic lapse rate may vary between 0.4°C and 0.9°C per 100 m.
Dry adiabatic lapse rate is higher because of the release of latent heat of condensation.
Which of the above given statements are correct?
  • 1, 2 and 4
  • 1, 3 and 4
  • 2, 3 and 4
  • 1, 2 and 3
All of the following types of climate occur in the Southern hemisphere except ______.
  • hot desert
  • savanna
  • equatorial
  • taiga
High temperatures before rains, the skies are clear and circulation is anti-cyclonic  are characteristics of ______.
  • Tropical savanna climate
  • Equatorial climate
  • Tropical monsoon climate
  • Mediterranean climate
A Mediterranean climate is characterised by very dry summers because ______.
  • the relative humidity is low
  • the skies are cloudless
  • the trade winds blow from the land to the sea
  • there are no off-shore winds
Consider the following statements.
Nearly 99% of the total mass of the atmosphere lies within 30 km of the Earth's surface.
The proportion of ozone in the atmosphere increases to a maximum at about 60 km from Earth's surface.
Which of the statements given above is/are correct?
  • Only 1
  • Only 2
  • Both 1 and 2
  • Neither 1 nor 2
Mist is a result of which one of the following?
  • condensation
  • evaporation
  • sublimation
  • saturation
During a thunderstorm, the thunder in the sky is produced by the:
meeting of cumulonimbus clouds in the sky.
lightning that separates the nimbus clouds.
violent upward movement of air and water particles.
Select the correct answer using the codes given below:
  • Only 1
  • 2 and 3
  • 1 and 3
  • None of these
Which one of the following processes occurs in the humid tropics where heavy rain and uninterrupted warmth give rise to deeply weathered layer ?
  • Leaching
  • Podzolisation
  • Laterisation
  • Salinisation
The instrument(s) used for finding the petroleum deposits are:
(1) Gravimeter (2) Magnetometer  (3) Seismograph  (4) Clinometer
Select the correct answer using the codes given below:
  • Only 1
  • 1 and 3
  • 1, 2 and 3
  • 1, 3 and 4
South-East Asia has captivated the attention of global community over space and time as a geostrategically significant region. Which among the following is the most convincing explanation for this global perspective?
  • It was the hot theatre during the Second World War
  • Its location is between the Asian powers of China and India
  • It was the arena of superpower confrontation during the Cold War period
  • Its location is  between the Pacific and Indian oceans and its pre-eminent maritime character
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