More Questions on Atmosphere
- Q. The dry wind ‘Santa Ana’ blows in ________
A)Switzerland
B)Siberia
C)Argentina
D)California
Answer: California
- Q. In the northern hemisphere, currents are deflected to their right due to ________
A)Cyclonic storms
B)Centrifugal force
C)Coriolis force
D)None of these
Answer: Coriolis force
- 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
- Q. Which of the following statements about Stratosphere is incorrect?
A)It is not free from the violent weather changes occurring on the earth
B)It is the region in the atmosphere above tropopause
C)It contains ozone layer which prevents ultraviolet radiations of sun from reaching to the earth
D)It provides ideal flying conditions
Answer: It is not free from the violent weather changes occurring on the earth
- Q. Lapse rate is related to the decrease of ________
A)Temperature at 1°F for an ascent of 330 feet
B)Wind velocity with an ascent of 300 feet
C)Humidity with an ascent of 450 feet
D)Pressure with an ascent of 500 feet
Answer: Temperature at 1°F for an ascent of 330 feet
- Q. What is approximately the quantum of the pressure exerted by the atmosphere at sea level?
A)Five kg per sq cm
B)One kg per sq km
C)One kg per sq mtr
D)Five kg per sq mtr
Answer: One kg per sq mtr
- Q. Mist is a result of which one of the following?
A)Sublimation
B)Condensation
C)Evaporation
D)Saturation
Answer: Condensation
- 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. Doldrums are ________
A)High pressure areas on mountains
B)High latitudes with heavy snow
C)Equatorial zone with low pressure
D)Sub-polar zone with high pressure
Answer: Equatorial zone with low pressure
- 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
- 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. With reference to the sub-tropical high pressure belt, consider the following statements: 1. It is affected by Earth’s rotation and descent of winds from higher altitudes. 2. It is dynamically induced and characterized with anti-cyclonic conditions. Which of the statement(s) given above is/are correct?
A)2 only
B)1 only
C)Both 1 and 2
D)Neither 1 nor 2
Answer: 2 only
- Q. Beaufort Scale is used to measure ________
A)Wind direction
B)Air pressure
C)Wind velocity
D)Humidity
Answer: Wind velocity
- Q. The phenomenon of Aurora Borealis, the display of red and green lights in northern hemisphere is due to radiations from ________
A)Stratosphere
B)Troposphere
C)Mesosphere
D)Ionosphere
Answer: Ionosphere
- Q. Which one of the following constituents of the atmosphere causes greatest changes in climate and weather?
A)Ozone
B)Nitrogen
C)Oxygen
D)Water Vapour
Answer: Water Vapour
- Q. Which of the following is a cold wind?
A)Chinook
B)Buran
C)Foehn
D)Sirocco
Answer: Buran
- Q. The Ozone hole is detected in the atmosphere, where is it located?
A)Above India
B)Above Arctic Ocean
C)Above Antarctica
D)Above Alaska
Answer: Above Antarctica
- Q. Water vapour beyond the dew point results in ________
A)Condensation
B)Precipitation
C)Hailstorm
D)Formation of ice
Answer: Condensation
- Q. When the wind is deflected due to the rotation of the Earth, it is called as ________
A)Westerlies
B)Geostropic wind
C)Polar wind
D)Trade winds
Answer: Geostropic wind
- Q. Which of the following statements is wrong?
A)Roughly V-shaped isobar system with a low pressure at the centre represents a trough
B)Roughly circular isobar system with a high pressure at the centre represents an anticyclone
C)Roughly circular isobar system with a low pressure at the centre represents a cyclone
D)Roughly V-shaped isobar system with a low pressure at the centre represents a hurricanes
Answer: Roughly V-shaped isobar system with a low pressure at the centre represents a hurricanes
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