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Q.1
Consider the following statements regarding general characteristics associated with tropical cyclones
1. Tropical cyclones move with very low velocity over the oceans but become strong while moving over the land areas.
2. They are confined to a particular period of the year (mainly summer) and normally move from east to west.
Which of the statement(s) given above is/are correct?
1 only
2 only
Both 1 and 2
Neither 1 nor 2
Q.2
A layer in the Earth's atmosphere called Ionosphere facilitates radio communication. Why?
1. The presence of ozone causes the reflection of radio waves to Earth.
2. Radio waves have a very long wavelength.
Which of the statements given above is fare correct?
1 only
2 only
Both 1and 2
Neither 1 nor 2
Q.3
Temperate lows are ________
Low pressure areas in cyclones
Equatorial low pressure belt
Polar regions which have very low temperatures
Sub-polar low pressure belts
Q.4
Which one of the following statements is correct?
Hurricanes ________
Form at the equator
Are not as large as tornadoes
Develop over warm ocean areas
Tend to intensify when they move over land surfaces
Q.5
Rain shadow effect is associated with
Cyclonic rainfall
Orographic rainfall
Convectional rainfall
Frontal rainfall
Q.6
Which one of the following layers of the atmosphere is responsible for the deflection of radio waves?
Troposphere
Stratosphere
Mesosphere
Ionosphere
Q.7
The chemically inactive gas present in the atmosphere is ________
Nitrogen
Argon
Water vapour
Oxygen
Q.8
In which layer, temperature increases dramatically?
Ionosphere
Exosphere
Stratosphere
Troposphere
Q.9
Which of the following layers of the Earth's atmosphere provide ideal flying conditions for Jet aircraft?
Mesosphere
Thermosphere
Stratosphere
Troposphere
Q.10
Doldrums are ________
High latitudes with heavy snow
Equatorial zone with low pressure
High pressure areas on mountains
Sub-polar zone with high pressure
Q.11
The clouds extending from one side of horizon to other as 3 dark grey sheet having uniform base are called ________
Stratus clouds
Cumulus clouds
Cirrus clouds
Nimbus clouds
Q.12
What is the major role of a greenhouse gas that contributes to temperature rise of the Earth's surface?
Transparent to both incoming sunlight and outgoing infrared radiation
Stops both incoming sunlight and outgoing infrared radiation
Lets outgoing infrared radiation pass through but stops incoming sunlight
Lets incoming sunlight pass through but stops outgoing infrared radiation
Q.13
Temperature generally decreases towards the poles because ________
Air movement is generally towards the. equator
Cold polar air masses prevent surface heating of the land
Cold surfaces do not absorb solar energy as readily as warm surfaces
Progressively lesser solar energy per unit area falls on the earth's surface as we move to polar regions
Q.14
Which of the following places are favourably influenced by the Trade winds?
I. West Indies
II. Brazil
III. Mexico
IV. Madagascar
I and II
I, II, III and IV
III and IV
II and IV
Q.15
In the northern hemisphere, the wind blowing from the Horse latitudes to the Doldrums is called ________
Westerly wind
Trade wind
Polar Easterly
Jet Stream
Q.16
The dense mass of small water drops on smoke particles in the lower layers of the atmosphere is ________
Smog
Frost
Fog
Dew
Q.17
Consider the following statements:
1. Troposphere varies in its thickness between equator and poles.
2. Stratosphere does not experience Normal Lapse Rate.
3. Ozone layer occurs in the Mesosphere.
4. Ionosphere lies between Stratosphere and Mesosphere
Which of these statements are correct?
1 and 2
2 and 3
3 and 4
1, 2 and 4
Q.18
What do you understand by the term 'Advection' ?
Heat is transferred horizontally by winds
Heat is transferred horizontally by both winds and ocean currents
Heat is transferred vertically through the air
Heat is transferred horizontally through ocean currents
Q.19
The continuous circulation of water among the hydrosphere, atmosphere and lithosphere is known as
Water circulation
Hydrologic cycle
Hydro-equilibrium
Precipitation
Q.20
A level of atmosphere which is composed partly of Electrons and Positive Ions is called
Troposphere
Ionosphere
Stratosphere
Mesosphere
Q.21
At which height, the gaseous surrounding has covered the Earth's atmosphere?
100km
150km
200km
300km
Q.22
Dew point is ________
Amount of actual water vapour present per unit volume of air
Incoming solar radiation
A low pressure system in lower atmosphere
A temperature at which a given sample of air becomes saturated
Q.23
The radiation that heats earth's atmosphere comes from the
Sun
Earth
Ionosphere
Sun and earth
Q.24
Why the Earth is having its own atmosphere?
Winds
Clouds
Gravity
Rotation of the Earth
Q.25
Some large lakes in temperate latitudes have a moderating influence upon the climate of adjacent land surfaces. Such an influence may develop when ________
The water is shallow
The lake is high above sea level
Prevailing out-blowing winds cross the lake in winter
The lake is a basin of inland drainage
Q.26
Which of the following characterises the Foehn?
I. It is warm
II. It is humid
III. It is common in the valleys of the northern Alps
IV. It blows in winter
I, II and IV
I, II and III
I, III and IV
I, II, III and IV
Q.27
What is the name of the layer above Earth's surface which is located at the height of 8km from poles and 16km from the equator?
Mesosphere
Atmosphere
Troposphere
Stratosphere
Q.28
Which one of the following is the cloud that is dark-grey or black, found at very low height and brings the real rain?
Altocumulus
Cirrus
Cirrostratus
Nimbostratus
Q.29
Which of the following is produced by the rapid ascent of moist air?
Frost
Fog
Hail
Snow
Q.30
The correct sequence of different layers of the atmosphere from the surface of the Earth upwards is ________
Troposphere, Stratosphere, Ionosphere, Mesosphere
Stratosphere, Troposphere, Ionosphere, Mesosphere
Troposphere, Stratosphere, Mesosphere, Ionosphere
Stratosphere, Troposphere, Mesosphere, Ionosphere
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