1.
Formation of ozone is
A
oxidation reaction
B
reduction reaction
C
photochemical reaction
D
thermal reaction
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Formation of ozone is
oxidation reaction
reduction reaction
photochemical reaction
thermal reaction
The layer of atmosphere containing much of ozone gas is
Troposphere
Mesosphere
Thermosphere
Stratosphere
Winds are caused primarily by
Pressure difference
Rotation of earth
Humidity differences
Coriolis effect
Winds and air currents differ in the aspect that
Air currents are always moisture laden while the winds are usually dry.
The winds blow on lands while air currents blow over seas and oceans
Winds are horizontal movements of air while air current are the vertical movements of air
Air currents blow much faster than winds
Wind wane is an instrument that
Determines the speed of the wind
Determines the force of the wind
None of these
Determines the direction of the wind
Willey Willy is
A wind that blow in a desert region
A tropical cyclone of the North West Australia
A kind of common fish found near Lakshadweep.
A type of tree grow in temperate region
Which one of the following is not a necessary condition for the formation of heavy rainfall
Moist air must rise to great heights
Air must becomes saturated
Air pressure must be high
Air must be warm near the surface
Which one of the following is not a correct example of tropical cyclone
Typhoons
Hurricanes
Northwesters
Tornadoes
Which of the following winds are predominantly seasonal winds?
Depression (cyclonic) winds.
Prevailing winds
Monsoon winds
Local winds
Which of the following statements about westerlies is not correct
They blow from subtropical high to equatorial low
Westerlies of southern hemisphere are stronger
In Northern hemisphere they blow from south-west to north-east
They are also known as roaring forties, furious fifties, shrieking sixties
Which of the following statement is correct
Roaring forties are the southern latitudes where westerlies are prevalent
Monsoons are local seasonal winds
Doldrum belt lies between 10 degree North and 10 degree South latitudes
Horse latitudes are found between trade winds and westerlies.
Which of the following has a highest wind velocity ?
Loo
Tornado
Typhoon
Hurricane
When warm air moves into a region of cold air it leads to the formation of
Cold front
Warm front
Cyclone
Anticyclone
What the wind is deflected due to the rotation of the earth, it is called as
Geostropic wind
Polar wind
Westerlies
Trade winds
What are Chinooks?
Cold local winds which blow from north-west to south-east direction in Spain
Extremely dry winds blowing from north-east and east to west in eastern parts of Sahara desert
Warm and dry winds which blow down the eastern slopes of Rocky Mountains of North America
Warm and dry winds along the northern slopes of Alps Mountains
The winds flowing from sub tropical high pressure to sub polar low pressure are
Westerlies
Easterlies
Polar wind
Local wind.
The warm and dry winds that blow down the steep valley in Japan are called
Zonda
Yamo
Tramontane
Santa Ana
The trade winds are strongest during
Winter
Summer
Rainy season
Autumn season
The phenomenon of trade winds takes place due to
Conduction of heat
Convection of heat
Radiation
None of the above
The hot dust-laden wind blowing from Sahara desert to Mediterranean region is called the
Chinook
Fohn
Mistral
Sirocco