ATMOSPHERE MCQS SET 02

ATMOSPHERE MCQS SET 02

11) The chemically inactive gas present in the atmosphere is :
A) nitrogen
B) argon
C) water vapour
D) oxygen

Answer: argon
   
12) Doldrums are :
A) high latitudes with heavy snow
B) equatorial zone with low pressure
C) high pressure areas on mountains
D) sub-polar zone with high pressure

Answer: equatorial zone with low pressure
   
13) The winds blowing from sea towards the coastal areas are called :
A) ocean currents
B) land breeze
C) costa winds
D) sea breeze

Answer: sea breeze
   
14) Atmospheric pressure exerted on earth is due to :
A) Gravitational pull of the earth
B) Rotation of earth
C) Revolution of earth
D) Uneven heating of earth

Answer: Gravitational pull of the earth
   
15) The Sea breeze blows during :
A) day from land to sea
B) day from sea to land
C) night from land to sea
D) night from sea to land

Answer: day from sea to land

16) The instrument used for finding out wind-direction is :
A) anemometer
B) wind vane
C) wind gauze
D) hygrometer

Answer: wind vane
   
17) Beaufort Scale' is used to measure :
A) air pressure
B) wind velocity
C) wind direction
D) humidity

Answer: wind velocity
   
18) Lapse rate is related to the decrease of :
A) wind velocity with an assent of 300 feet
B) humidity with an assent of 450 feet
C) temperature at 1 degree F for an ascent of 330 feet
D) pressure with an ascent of 500 feet

Answer: temperature at 1 degree F for an ascent of 330 feet
   
19) Which of the following constituents of the atmosphere are important from the climate point of view?
1. Nitrogen
2. Oxygen
3.Carbon dioxide
A) 1 and 2
B) 2 and 3
C) 1, 2 and 3
D) only 3

Answer: only 3
   
20) The Trade winds are caused by :
A) rotation of the earth
B) revolution of the earth
C) inflowing movement of air along the earth's surface towards the equator
D) none of these

Answer: inflowing movement of air along the earth's surface towards the equator