Top 150+ Solved Atmosphere MCQ Questions Answer
Q. ‘Beaufort Scale’ is used to measure:
a. air pressure
b. wind velocity
c. wind direction
d. humidity
Q. Lapse rate is related to the decrease of : [IFS 1998]
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
Q. Which of the following constituents of the atmosphere are important from the climaticpoint of view ? [IFS 1993] 1. Nitrogen 2. Oxygen 3. Carbon dioxide
a. 1 and 2
b. 2 and 3
c. 1, 2 and 3
d. only 3
Q. 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
Q. 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
Q. Which one of the following statements is correct? [IAS 2004]
a. Jet streams are best developed in winters
b. Jet streams have often developed oscillations
c. Jet streams greatly influence our surface weather
d. All the above three are correct in respect of jet streams
Q. Arrange the following gases of the atmosphere in increasing order by volume: 1. Nitrogen 2. Oxygen 3. Carbon dioxide 4. Argon
a. I, II, III, IV
b. l, II, IV, III
c. III, IV, II, I
d. IV, III, II, I
Q. Land masses are heated and cooled much faster than water bodies. Identify the truestatements in this regard: 1. Land gets heated by conduction 2. Water has higher specific heat 3. Only the surface layers of water are heated 4. Water gets heated by convection
a. I, II and III
b. II and III
c. I and IV
d. I, II and IV
Q. When can one record the lowest temperature of air?
a. Just before sunrise
b. At midnight
c. At 3 a.m.
d. No fixed time
Q. What helps to maintain the heat budget on the surface of the earth?
a. Incoming insolation in short waves and terrestrial radiation in long waves
b. The atmosphere absorbs heat
c. Incoming solar radiation is reflected
d. The earth absorbs heat
Q. The water content in the atmosphere:
a. is independent of temperature
b. increases as temperature increases
c. decreases as temperature increases
d. either increases or decreases with temperature increase
Q. An upper air wind system with very high velocities in certain parts of the atmosphere is called:
a. a cyclone
b. an anticyclone
c. jet stream
d. a tsunami
Q. Which one of the following conditions is NOT necessary for precipitation to occur?[NDA 2002]
a. The air must be warm
b. The air must be saturated
c. The air must be cooled below its dew point
d. The air must contain hygroscopic particles
Q. Very strong and cold icy winds that blow in the Polar regions are called: [CPO SI 2003]
a. typhoons
b. tornadoes
c. blizzards
d. polar winds
Q. The plane of contact of the troposphere and stratosphere is known as :
a. mesosphere
b. ionosphere
c. stratopause
d. tropopause