EVS Mock Test

What does endangered mean?

• gone forever
• very few of its kind left
• find a new home
• break down of dead plants

Three major fossil fuels are coal, oil, and

• wood
• natural gas
• uranium
• electricity

Which sources of energy are NOT considered renewable

• geothermal (heat)
• hydroelectric  (water)
• coal
• wind

In the last few centuries, the number of species  becoming extinct on Earth has

• decreased dramatically
• decreased slightly
• increased slightly
• increased dramatically

Which of the following is NOT a fossil fuel

• firewood
• natural gas
• petrolium oil
• coal

What are renewable energy sources?

• Energy sources that are newly found.
• Energy sources that are used over again.
• Energy sources that are scarce.
• Energy sources that are naturally replaced.

The major source  of carbon dioxide emissions by humans is

• respiration
• burning fossil fuels
• chopping down trees
• eating food

Cutting of trees in a forest is callled

• Reforestation

• Deforestation

• tree fall

• None of them

Which gas is mainly responsible for the green house effect?

• H2

• O2

• CO2

• Water Vapours

Which of the following is not a renewable source of energy?

• Sun energy

• Nuclear Energy

• Wind Energy

• All are renewable sources