More Questions on Atmosphere
- Q. The phenomenon of ‘trade winds’ takes place due to
A)Radiation
B)Conduction of heat
C)Convection of heat
D)None of the above
Answer: Convection of heat
- Q. In the Southern hemisphere the Westerlies blow from ________
A)North west
B)North
C)North east
D)South east
Answer: North west
- Q. The layer of atmosphere which reflects radio waves is
A)Stratosphere
B)Ionosphere
C)Troposphere
D)Exosphere
Answer: Ionosphere
- Q. What do you understand by the term ‘Advection’ ?
A)Heat is transferred vertically through the air
B)Heat is transferred horizontally by winds
C)Heat is transferred horizontally by both winds and ocean currents
D)Heat is transferred horizontally through ocean currents
Answer: Heat is transferred horizontally by both winds and ocean currents
- Q. Fogs formed along, the sea-coast are due to ________
A)Convection
B)Advection
C)Radiaton
D)Conduction
Answer: Advection
- 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 not one of the three processes involved in the transfer of water between the atmosphere and the surface of the Earth?
A)Condensation
B)Insolation
C)Evaporation
D)Precipitation
Answer: Insolation
- Q. What is the name of the layer closest to the Earth?
A)Troposphere
B)Ionosphere
C)Stratosphere
D)Exosphere
Answer: Troposphere
- Q. Heat gain through insolation and heat loss through terrestrial radiation are equal approximately at which latitude?
A)90° North and South
B)22° W North and South
C)40° North and South
D)66° W North and South
Answer: 40° North and South
- Q. Which of the following sequences of atmospheric layers is correct from below?
A)Troposphere, Tropopause, Stratosphere, Ionosphere
B)Stratosphere, Ionosphere, Tropopause, Troposphere
C)Ionosphere, Troposphere, Stratosphere, Tropopause
D)Tropopause, Troposphere, Ionosphere, Stratosphere
Answer: Troposphere, Tropopause, Stratosphere, Ionosphere
- Q. Atmospheric pressure exerted on earth is due to ________
A)Revolution of earth
B)Gravitational pull of the earth
C)Rotation of earth
D)Uneven heating of earth
Answer: Gravitational pull of the earth
- Q. Frontal rain is caused by ________
A)Cyclonic activity
B)Convection currents
C)Winds from sea
D)Condensation of water evaporated from mountains
Answer: Cyclonic activity
- Q. Atmospheric humidity is measured by ________
A)Lysimeter
B)Psychrometer
C)Anemometer
D)Hydrometer
Answer: Psychrometer
- Q. Troposphere is the hottest part of the atmosphere because
A)It is heated by the Earth's surface
B)It is closest to the Sun
C)There are charged particles in it
D)Heat is generated in it
Answer: It is heated by the Earth's surface
- Q. Which one among the following statements relating to a cyclone is not correct?
A)Wind movement towards the low pressure centre of a cyclone is clockwise in the northern hemisphere
B)It is a wind circulation system with a low pressure at the centre
C)It brings about sudden change In weather condition in an area
D)It is known as hurricane in West Indies
Answer: Wind movement towards the low pressure centre of a cyclone is clockwise in the northern hemisphere
- Q. The heat from Sun to Earth is called as
A)Emitted Heat
B)Temperature Radiation
C)Insolation
D)Solar Radiation
Answer: Solar Radiation
- Q. Increase in carbon dioxide in atmosphere causes ________
A)Uniform earth temperature
B)Rise in earth temperature
C)Fall in earth temperature
D)Increase in Ultraviolet rays
Answer: Rise in earth temperature
- Q. Temperate cyclones bring along with them ________
A)Thunderstorms and torrential rainfall
B)Pleasant weather
C)Snowfall and hail
D)Mild rainfall
Answer: Mild rainfall
- Q. Consider the following statements: 1. Nearly 99% of the total mass of the atmosphere lies within 30 km of the Earth’s surface. 2. The proportion of ozone in the atmosphere increases to a maximum at about 60 km from Earth’s surface. Which of the statements given above is/are correct?
A)Both 1 and 2
B)1 only
C)2 only
D)Neither 1 nor 2
Answer: 1 only
- Q. The jet aircrafts fly very easily and smoothly in the lower stratosphere. What could be the appropriate explanation? 1. There are no clouds or water vapour in the lower stratosphere. 2. There are no vertical winds in the lower stratosphere. Which of the statements given above is/are correct in this context?
A)Both 1 and 2
B)1 only
C)2 only
D)Neither 1 nor 2
Answer: Both 1 and 2
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