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IMPORTANT
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A layer in the Earth's atmosphere called Ionosphere facilitates radio communication. Why?
1. The presence of ozone causes the reflection of radio waves on Earth.
2. Radio waves have a very long wavelength.
Which of the statement(s) given above is/are correct?

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Important Questions on Atmosphere

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IMPORTANT
Which one of the following is the characteristic climate of the tropical Savanna region?
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IMPORTANT
Normally, the temperature decreases with the increase in height from the Earth's surface because:
1. the atmosphere can be heated upwards only from the Earth's surface
2. there is more moisture in the upper atmosphere
3. the air is less dense in the upper atmosphere
Select the correct answer using the codes given below.
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IMPORTANT
During a thunderstorm, the thunder in the sky is produced by the:
1. meeting of cumulonimbus clouds in the sky.
2. lightning that separates the nimbus clouds.
3. violent upward movement of air and water particles.
Select the correct answer using the codes given below.
MEDIUM
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IMPORTANT
The annual range of temperature in the interior of the continents is high as compared to coastal areas. What is/are the reason/reasons?
1. Thermal difference between land and water
2. Variation in altitude between continents and oceans
3. Presence of strong winds in the interior
4. Heavy rains in the interior as compared to coasts
Select the correct answer using the codes given below.
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IMPORTANT
The seasonal reversal of winds is the typical characteristic of:
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"Each day is more or less the same, the morning is clear and bright with a sea breeze; as the Sun climbs high in the sky, heat mounts up, dark clouds form, then the rain comes with thunder and lightning. But the rain is soon over:'
Which of the following regions is described in the above passage?
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IMPORTANT
Consider the following statements:
1. The winds which blow between 30° N and 60° S latitudes throughout the year are known as westerlies.
2. The moist air masses that cause winter rains in the North-Western region of India are part of the westerlies.
Which of the statements given above is/are correct?
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Andhra Pradesh Police Constable Prelims
IMPORTANT
In the South Atlantic and South-Eastern Pacific regions in tropical latitudes, cyclone does not originate. What is the reason?