AIR Revision

What gas/gases are present in the exosphere that float into space?

• oxygen and helium

• helium

• hydrogen and oxygen

• hydrogen and helium

Choose the incorrect options

a) Moisture in the air at any time is known as rainfall.

b) on 17-18 October 1999 cyclone hit 6 districts of the state.

c) Air pressure is defined as the pressure exerted by the weight of air on the earths surface.

d) Odisha located on the eastern seacoast of India is prone to cyclones that originate in the bay of bengal.

• A and B

• A, B and C

• A and C

• Only B

TRUE OR FALSE

oxygen is the most plentiful gas in the air

• True

• False

• MAYBE

• I DONT KNOW :(

......................... IS THE MOST IMPORTANT LAYER OF THE ATMOSPHERE.

........................ IS THE 3RD LAYER OF THE ATMOSPHERE

• stratosphere, mesosphere

• troposphere, mesosphere

• exosphere, thermosphere

• troposphere, exosphere

an important factor that influences the distribution of temperature is ................

• weather

• insolution

• insolation

• climate

choose the incorrect statement/ statements

• stratosphere extends upto 50 km

• all

• troposphere extends upto 13km

• mesosphere extends upto a height of 70 km

thermosphere extends between

• 40-700 km

• 30-1000 km

• 80-400 km

• 20-40km

the mangrove forests between ....................... and .................. vanished during the odisha cyclone

• all of these

• erasama and baliuda

• thailand and turkey

• paradeep and konark

as we go up the layers of atmosphere, the pressure

• increases

• i dont know?

• decreases

• remains the same

argon composition

• 0.73%

• 0.85%

• 2.0%

• 0.93%