ATMOSPHERE MCQS SET 07

ATMOSPHERE MCQS SET 07

61) Which one of the following statements is correct?
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

Answer: All the above three are correct in respect of jet streams
   
62) Arrange the following gases of the atmosphere in increasing order by volume:
I. Nitrogen ll. Oxygen lll. Carbon dioxide IV. Argon
A) I, II, III, IV
B) I, II. IV, III
C) III, IV, ll, I
D) IV, Ill, II, I

Answer: III, IV, ll, I
   
63) Land masses are heated and cooled much faster than water bodies. Identify the true statements in this regard:
I. Land gets heated by conduction
ll. Water has higher specific heat
Ill. Only the surface layers of water are heated.
IV. Water gets heated by convection
A) I. II and Ill
B) II and Ill
C) l and IV
D) I, II and IV

Answer: I, II and IV
   
64) When can one record the lowest temperature of air?
A) At midnight
B) Just before sunrise
C) At 3 a.m.
D) No fixed time

Answer: Just before sunrise
   
65) What helps to maintain the heat budget on the surface of the earth?
A) The atmosphere absorbs heat
B) Incoming solar radiation is reflected
C) Incoming insolation in short waves and terrestrial radiation in long waves
D) The earth absorbs heat

Answer: Incoming insolation in short waves and terrestrial radiation in long waves

66) 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

Answer: decreases as temperature increases
   
67) 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

Answer: jet stream
   
68) Which one of the following conditions is NOT necessary for precipitation to occur?
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

Answer: The air must be warm
   
69) Very strong and cold icy winds that blow in the Polar regions are called:
A) typhoons
B) tornadoes
C) blizzards
D) polar winds

Answer: blizzards
   
70) The infrared radiation by sun are strongly absorbed by
A) carbon dioxide
B) water vapours
C) carbon dioxide and water vapours
D) ozone

Answer: carbon dioxide