revision, MC501/ MC301

The hottest region of atmosphere is

• Troposphere

• Stratosphere

• Mesosphere

• Ionosphere

Which one of the following is not a greenhouse gas?

• CO2

• SO2

• O3

• CH4

During temperature inversion

• Temperature decreases with altitude

• Temperature increases with altitude

• Temperature remains same

• none of these

Decibel is the unit of

• Intensity

• Noise level

• Pressure

• Frequency

Biotic factors is related to

• Living organisms

• Non living organisms

• Both living & non living organisms

• None of these

Food Web is

• Single food chain

• Disintegrated food chain

• Interconnected food chain

• None of these

The example of secondary consumer

• Plant

• Cow

• Tiger

• Frog

Which of the following is not a renewable resource

• Geothermal

• Fossil Fuel

• Wind

• Solar

Incineration is a disposal method of

• Solid wastes

• air pollutants

• water pollutants

• gaseous pollutants

Best method of biomedical solid waste disposal is

• Composting

• Land fill

• Incineration

• All of these