More Questions on Atmosphere
- Q. Which one of the following conditions is not necessary for precipitation to occur?
A)The air must be cooled below its dew point
B)The air must be warm
C)The air must be saturated
D)The air must contain hygroscopic particles
Answer: The air must be warm
- Q. Relative humidity of the atmosphere is directly affected by ________
A)Change in the direction of winds
B)Change in atmospheric pressure
C)Change in atmospheric temperature
D)None of these
Answer: Change in atmospheric temperature
- Q. Northern part of Australia is typified by which one of the following?
A)Temperate climate
B)Equatorial climate
C)Mediterranean climate
D)Monsoon climate
Answer: Monsoon climate
- Q. What is the correct sequence of the given clouds from low to high altitudes?
A)Cumulonimbus, Stratus, Cirrus, Cirrostratus
B)Stratus, Cumulonimbus, Cirrostratus, Cirrus
C)Stratus, Cirrostratus, Cumulonimbus, Cirrus
D)Cumulonimbus, Stratus, Cirrostratus, Cirrus
Answer: Cumulonimbus, Stratus, Cirrostratus, Cirrus
- Q. An upper air wind system with very high velocities in certain parts of the atmosphere is called ________
A)Jet stream
B)A cyclone
C)An anticyclone
D)A tsunami
Answer: Jet stream
- Q. Excess carbon dioxide in the atmosphere due to pollution will cause
A)No change in earth's temperature
B)Earth's temperature to rise
C)Earth's temperature to fall
D)Increase in ultra-violet radiation reaching the earth
Answer: Earth's temperature to rise
- Q. When a descending air contracts and its volume decreases, what happens to its temperature?
A)Its temperature remains constant
B)Its temperature decreases
C)Its temperature increases
D)Its temperature first increases, then decreases
Answer: Its temperature increases
- Q. In the atmosphere of the primitive earth there was no ________
A)Nitrogen
B)Oxygen
C)Carbon dioxide
D)Ammonia
Answer: Oxygen
- Q. Which of the following statements is/are correct? 1. Cyclone is a low pressure system. 2. The wind movement is clockwise in the cyclone of northern hemisphere. Select the correct answer using the code given below ________
A)Both 1 and 2
B)1 only
C)2 only
D)Neither 1 nor 2
Answer: Both 1 and 2
- Q. The most important factor in thunderstorms development is ________
A)Abundance of moisture
B)Atmospheric stability
C)Atmospheric instability
D)Temperature inversion
Answer: Atmospheric instability
- Q. Choose the incorrect statement ________
A)Absolute humidity is expressed in grams per cubic metre of air
B)Capacity of air to hold moisture decreases with a rise in temperature of the air
C)The air pressure decreases with an increase in temperature
D)With an ascent of every 165 metres, the temperature is reduced by 1°C
Answer: Absolute humidity is expressed in grams per cubic metre of air
- Q. Cyclone is a system of wind blowing ________
A)In a straight line from high to low pressure region
B)Spirally outwards from a high pressure region
C)Spirally towards low pressure region
D)From Ball of Bengal towards Bangladesh annually
Answer: Spirally towards low pressure region
- Q. The layer of atmosphere which reflects radio waves is
A)Stratosphere
B)Ionosphere
C)Troposphere
D)Exosphere
Answer: Ionosphere
- Q. What helps to maintain the heat budget on the surface of the earth?
A)Incoming solar radiation is reflected
B)Incoming insolation in short waves and terrestrial radiation in long waves
C)The atmosphere absorbs heat
D)The earth absorbs heat
Answer: Incoming insolation in short waves and terrestrial radiation in long waves
- Q. Some large lakes in temperate latitudes have a moderating influence upon the climate of adjacent land surfaces. Such an influence may develop when ________
A)Prevailing out-blowing winds cross the lake in winter
B)The water is shallow
C)The lake is high above sea level
D)The lake is a basin of inland drainage
Answer: Prevailing out-blowing winds cross the lake in winter
- Q. At which height, the gaseous surrounding has covered the Earth’s atmosphere?
A)200km
B)100km
C)150km
D)300km
Answer: 300km
- Q. Which are of the following is wrongly characterised?
A)Sirocco – Sahara – spring - hot
B)Chinook- Canada - winter - warm
C)Khamsin – Egypt – spring - hot
D)Mistral - Rhone Valley - summer – cold
Answer: Mistral - Rhone Valley - summer – cold
- Q. Freely moving bodies are ________
A)Deflected upwards at the equator
B)Deflected to their right in the northern hemisphere
C)Deflected to the right in the southern hemisphere
D)Unaffected by the earth's movements
Answer: Deflected to their right in the northern hemisphere
- Q. Which of the following winds is incorrectly paired with the area in which it prevails?
A)Southerly Burster - New South Wales
B)Berg wind - South eastern Africa
C)Karaburan - Tarim basin of Sinkiang
D)Hurricanes - New Zealand
Answer: Hurricanes - New Zealand
- Q. Relative humidity
A)Decreases with decreased temperature
B)Increases with increased temperature
C)Decreases with increased temperature
D)Has no relation with increase or decrease of temperature
Answer: Decreases with increased temperature
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