ATMOSPHERE MCQS SET 06

ATMOSPHERE MCQS SET 06

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

Answer: Gravitational pull of the earth
   
52) 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
   
53) The instrument used for finding out wind-direction is:
A) anemometer
B) wind vane
C) wind gauze
D) hygrometer

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

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

Answer: temperature at 1∘ F for an ascent of 330 feet

56) The humidity of the air depends upon:
A) Temperature
B) location
C) weather
D) All of the above

Answer: All of the above
   
57) Which of the following constituents of the atmosphere are important from the climatic 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
   
58) 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
   
59) Temperature generally decreases towards the poles because:
A) Air movement is generally towards the equator
B) Cold polar air masses prevent surface heating of the land
C) Cold surfaces do not absorb solar energy as readily as warm surfaces
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
   
60) What is the correct sequence of the following zonal pressure belts?
1. Subpolar low
2. Equatorial low
3. Polar high
4. Subtropical high
Select the correct answer using the codes given below:
A) 2, 3, 1, 4
B) 1, 4, 2, 3
C) 2, 4, 1, 3
D) 1, 3, 2, 4

Answer: 2, 4, 1, 3