More Questions on Atmosphere
- Q. In the atmosphere of the primitive earth there was no ________
A)Nitrogen
B)Oxygen
C)Carbon dioxide
D)Ammonia
Answer: Oxygen
- 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. The absence of which among the following causes the temperature of the atmosphere to decrease with ascent along with decreasing density of air? I. Vegetation II. Water III. Carbon dioxide IV. Oxygen V. Nitrogen
A)II and III
B)I and II
C)III and IV
D)II and V
Answer: II and III
- Q. Which of the following are true regarding ionosphere? I. It is the uppermost layer of atmosphere II. The molecules and atoms of nitrogen and oxygen in this layer absorb a part of solar radiation and become ionized III. This layer is responsible for reflecting back the radio wave transmitted from the earth
A)II and III
B)I and II
C)I and II
D)I, II and III
Answer: II and III
- Q. Temperature generally decreases towards the poles because ________
A)Cold surfaces do not absorb solar energy as readily as warm surfaces
B)Air movement is generally towards the. equator
C)Cold polar air masses prevent surface heating of the land
D)Progressively lesser solar energy per unit area falls on the earth's surface as we move to polar regions
Answer: Progressively lesser solar energy per unit area falls on the earth's surface as we move to polar regions
- Q. Which of the following is produced by the rapid ascent of moist air?
A)Hail
B)Frost
C)Fog
D)Snow
Answer: Hail
- Q. Venus has atmosphere made up of
A)Helium
B)Ammonia
C)Carbon dioxide
D)Hydrogen
Answer: Carbon dioxide
- 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. The inner-most layer of the Earth is known as
A)Aesthenosphere
B)Lithosphere
C)Mesosphere
D)Barysphere
Answer: Barysphere
- Q. What is the percentage of Nitrogen in atmosphere of the Earth?
A)78.03
B)0.94
C)0.03
D)85.02
Answer: 78.03
- Q. The zone of Earth’s atmosphere immediately above its surface up to a height of about 16kms above equator and 8kms over the poles is known as
A)Troposphere
B)Mesosphere
C)Thermosphere
D)Stratosphere
Answer: Troposphere
- Q. Which of the following is/are characteristic of a depression in the southern hemisphere? I. It is a mass of air whose isobars form an oval or circular shape II. Pressure is high in the centre and decreases towards the outside III. Air moves anti-clockwise
A)I and III
B)I only
C)II only
D)All three
Answer: I only
- Q. Which one among the following is a high cloud?
A)Nimbostratus
B)Cirrus
C)Cumulonimbus
D)Stratus
Answer: Cirrus
- Q. The core of the Earth is also known as
A)Barysphere
B)Lithosphere
C)Mesosphere
D)Centrosphere
Answer: Barysphere
- Q. A fragment of solid matter which enters the upper atmosphere from outer space almost disintegrating before reaching the earth’s surface is
A)Meteor
B)Meteorite
C)Asteroid
D)Comet
Answer: Meteor
- Q. A temperature inversion is most likely to occur under which of the following conditions?
A)Calm, cloudy and humid night
B)Mountain top in late evening
C)Windy but cloudy night
D)Calm, clear and cool winter night
Answer: Calm, clear and cool winter night
- Q. The form of precipitation in which the raindrops get frozen into ice on coming in contact with a cold layer of air near the earth’s surface is called ________
A)Sleet
B)Fog
C)Hail
D)Snowfall
Answer: Sleet
- Q. Fogs formed along, the sea-coast are due to ________
A)Convection
B)Advection
C)Radiaton
D)Conduction
Answer: Advection
- Q. Westerlies in southern hemisphere are stronger and persistent than in northern hemisphere. Why? 1. Southern hemisphere has less landmass as compared to northern hemisphere. 2. Coriolis force is higher in southern hemisphere as compared to northern hemisphere. Which of the statements given above is fare correct?
A)Both 1 and 2
B)1 only
C)2 only
D)Neither 1 nor 2
Answer: 1 only
- 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
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