158 exam-style questions on Sharing the planet with answers and explanations. Six real samples below — the full set is free with an account.
Which word describes using resources carefully so they last for future generations?
Answer: sustainable
'Sustainable' use meets present needs without harming the future. 'Wasteful', 'disposable' and 'temporary' suggest the opposite.
Choose the correct collocation: 'Switch off the lights to ___ energy.'
Answer: save
'To save energy' is the correct collocation. 'Cook', 'drive' and 'read' do not collocate with 'energy' in this sense.
Which word means the variety of plant and animal life in an ecosystem?
Answer: biodiversity
'Biodiversity' is the range of living things in a habitat. 'Monotony', 'pollution' and 'scarcity' do not mean variety of life.
Which term describes using resources in a way that does not harm future generations?
Answer: sustainability
'Sustainability' means meeting present needs without preventing future generations from meeting theirs.
Choose the correct word: 'Plastic bottles take hundreds of years to ___, so they harm the environment.'
Answer: decompose
To 'decompose' means to break down naturally; plastics decompose extremely slowly.
Which word describes the gradual rise in the Earth's average temperature?
Answer: global warming
'Global warming' names the long-term increase in the planet's average temperature.
158 Sharing the planet questions — free with an account. Spaced repetition, streaks and full exam simulations included.
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