ATMOSPHERE MCQS SET 08

ATMOSPHERE MCQS SET 08

71) The plane of contact of the troposphere and stratosphere is known as :
A) mesosphere
B) tropopause
C) ionosphere
D) stratopause

Answer: tropopause
   
72) The velocity of winds is related to:
A) the amount of moisture they carry
B) the nearness to the sea
C) pressure gradient in the direction of their flow
D) the direction in which they blow

Answer: pressure gradient in the direction of their flow
   
73) Increase in carbon dioxide in atmosphere causes:
A) rise in earth temperature
B) fall in earth temperature
C) uniform earth temperature
D) increase in Ultraviolet rays

Answer: rise in earth temperature
   
74) In the Southern hemisphere the Westerlies blow from:
A) north
B) north east
C) north west
D) south east

Answer: north west
   
75) Which of the following sequences of atmospheric layers is correct from below?
A) Stratosphere, ionosphere, Tropopause, Troposphere
B) ionosphere, Troposphere, Stratosphere, Tropopause
C) Troposphere, Tropopause, Stratosphere, ionosphere
D) Tropopause, Troposphere. ionosphere, Stratosphere

Answer: Troposphere, Tropopause, Stratosphere, ionosphere

76) The layer of the atmosphere which provides ideal conditions for flying on jet aeroplanes is
A) troposphere
B) stratosphere
C) ionosphere
D) exosphere

Answer: stratosphere
   
77) Cyclone is a system of wind blowing:
A) spirally outwards from a high pressure region
B) spirally towards low pressure region
C) in a straight line from high to low pressure region
D) from Ball of Bengal towards Bangladesh annually

Answer: spirally towards low pressure region
   
78) Consider the following statements regarding general characteristics associated with tropical cyclones
1, Tropical cyclones move with very low velocity over the oceans but become strong while moving over the land areas
2. They are confined to a particular period of the year (mainly summer) and normally move from east to west.
Which of the statement(s) given above is/are correct?
A) 1 only
B) 2 only
C) Both 1 and 2
D) Neither 1 nor 2

Answer: 2 only
   
79) Which one of the following constituents of the atmosphere causes greatest changes in climate and weather?
A) Nitrogen
B) Oxygen
C) Ozone
D) Water Vapour

Answer: Water Vapour
   
80) Consider the following statements about anticyclones:
(1) The winds are divergent, and spiral out from the centre of high pressure
(2) The air moves clockwise in the Northern Hemisphere and anticlockwise in Southern Hemisphere
(3) It is accompanied by heavy rainfall
(4) A sudden rise in barometric reading heralds the approach of anticyclone
Which of these statements are correct?
A) 1 and 2
B) 1 and 4
C) 1, 2 and 4
D) 1, 2, 3 and 4

Answer: 1, 2 and 4