Foundation Level-I JEE Mock Test-10( Chemistry)

The atmosphere is_____

• A layer of air

• A layer of clouds

• A layer of water

• None of these

The gas which is called as green house gas?

• Oxygen (O2)
• Nitrogen (N2)
• Methane (CH4)
• Carbon dioxide (CO2)

Major part of the air is constituted by:

• Nitrogen

• Oxygen

• Carbon dioxide

• Carbon monoxide

Wind is______

• Air around us

• Rising hot air

• Air in motion

• None of these

Envelop of air that surrounds the Earth is known as________

• Atmosphere

• Biosphere

• Environment

• Ecosystem

____ component of air supports burning ?

• Oxygen

• Hydrogen

• Nitrogen

• None of these

Animals need ____ component of air to respire .

• Carbon dioxide

• Oxygen

• Nitrogen

• None of these

The component of air used by plants to make their food is ____ ?

• Oxygen

• Nitrogen

• Carbon dioxide

• None of these

____ is used to draw water from tubewells and run flour mills.

• Solar panel

• Bicycle

• Windmill

• Diesel engine

____ helps in the dispersal of seed and pollen of flowers of several plants ?

• Water

• Soil

• Air

• None of these