Structure of the Atmosphere: MCQ Test (25 questions)

Question 1 of 25

All the hot deserts of the world are located in which of the following belts?

Aequatorial low pressure belt
Bsubtropical high pressure belt
Csubpolar low pressure belt
Dpolar high pressure belt

Question 2 of 25

Which of the following statements is correct regarding temperature?

AThe temperature in the stratosphere decreases with altitude
BThe temperature remains constant at different altitudes in the stratosphere
CTemperature in the troposphere 6.5increases with altitude at an average rate of ⁰C per km
DThe temperature in the troposphere decreases with altitude at an average rate of 6.4°C per km.

Question 3 of 25

What is the atmospheric layer found near the Earth called?

Atroposphere
Bstratosphere
Cionosphere
Dexosphere

Question 4 of 25

What is the number of pressure belts on the globe?

A5
B6
C7
D9

Question 5 of 25

Where is the highest concentration of ozone in the atmosphere?

AIonosphere
Bmesosphere
Cstratosphere
DTroposphere

Question 6 of 25

The stratosphere is considered ideal for the flight of jet planes because -

AOzone present in this layer reduces fuel consumption.
BThe temperature in this layer remains even, which is a favorable condition for fuel efficiency.
CThis layer is beyond the range of anti-aircraft weapons.
DThere are no clouds or other weather phenomena in this layer.

Question 7 of 25

In which atmospheric layer are communication satellites located?

Astratosphere
BIonosphere
CTroposphere
DExosphere

Question 8 of 25

What is the atmospheric layer farthest from the Earth's surface called?

Amesosphere
Bstratosphere
Cexosphere
DIonosphere

Question 9 of 25

The most stable element of the atmosphere is-

Anitrogen
Boxygen
CCO2
Dwater vapor

Question 10 of 25

Aeroplanes usually fly in ………….

ATroposphere
Bstratosphere
Cmesosphere
Dexosphere

Question 11 of 25

Which is the layer of the atmosphere that reflects radio waves?

AIonosphere
BTroposphere
Cstratosphere
Dexosphere

Question 12 of 25

What is the average air pressure at sea level?

A1003.25 millibars
B1013.25 millibars
C1023.25 millibars
D1034.25 millibars

Question 13 of 25

Which gas is found in maximum quantity in the atmosphere?

Aoxygen
Bhydrogen
Cnitrogen
Dcarbon dioxide

Question 14 of 25

Where is the Earth's atmosphere most dense?

ATroposphere
BStratosphere
CMadhyamandal
DIonosphere

Question 15 of 25

In which layer of the atmosphere is most of the atmospheric ozone found?

AThermosphere
BTroposphere
Cstratosphere
Dmesosphere

Question 16 of 25

Which of the following indicates the increasing amount of gases in the atmosphere?

AOzone, carbon dioxide, oxygen, nitrogen
BNitrogen, oxygen, carbon dioxide, ozone,
CCarbon dioxide, ozone, oxygen, nitrogen
DArgon, nitrogen, oxygen, carbon dioxide

Question 17 of 25

Which atmospheric layer is known as the "ceiling of seasonal change"?

Astratosphere
BTroposphere
CIonosphere
Dmesosphere

Question 18 of 25

Where do all the important atmospheric processes that change various climate and weather conditions occur?

Astratosphere
BExosphere
CIonosphere
DTroposphere

Question 19 of 25

1 of the general decrease in the troposphere0C Each -

A146 m. for the purpose
B156 m. for the purpose
Cfor 166 m
Dfor 176 m

Question 20 of 25

The expansion of the doldrum belt is generally found in-

A0⁰ -5⁰ Answer
B0⁰ -5⁰ South
C0⁰ -10⁰ Answer
D5⁰ North -5⁰ South

Question 21 of 25

In which layer of the ionosphere do short radio waves get reflected and reach the surface?

AD layer
BE layer
CF layer
DS layer

Question 22 of 25

Which of the following statements is not correct regarding the mesosphere?

AMeteorites burn up upon entering this layer from space.
BIn this layer, the temperature increases rapidly with increasing altitude.
CThis is the third layer of the atmosphere.
DIt is directly above the stratosphere

Question 23 of 25

In which layer of the atmosphere does the temperature not fluctuate much?

AStratosphere
BTroposphere
Cexosphere
Dthermosystem

Question 24 of 25

What is the transition region between the troposphere and the stratosphere called?

Aisothermal boundary
Btropopause
Cmiddle range
Douter limit

Question 25 of 25

The ozone layer is at a height above the earth-

A50 km.
B300 km.
C2000 km.
D20 km.