36 exam-style questions on The environment — topic T5.1 of Sharing the planet in the IB English B syllabus — with answers and explanations. Samples below; the full set is free with an account.
Choose the correct comparative form: 'Solar energy is much ___ for the planet than burning coal.'
Answer: cleaner
One-syllable adjectives form the comparative with '-er': 'cleaner than'.
Choose the correct word: 'We must reduce our consumption of ___ fuels such as oil, coal and gas.'
Answer: fossil
The fixed term is 'fossil fuels', used as an adjective + noun.
Which phrase correctly completes the sentence? 'Many people are worried ___ the effects of climate change.'
Answer: about
The correct dependent preposition is 'worried about something'.
Choose the word that completes the collocation: 'Every household can help to ___ its carbon footprint.'
Answer: reduce
The fixed collocation is 'reduce your carbon footprint'. 'Shorten', 'narrow' and 'abbreviate' all mean making something shorter or thinner and are typical translation errors.
Which word means 'the variety of plant and animal life found in a habitat'?
Answer: biodiversity
'Biodiversity' combines 'bio-' (life) and 'diversity' (variety). The distractors share the same prefix but refer to a life story, applied science and organic material used as fuel.
Choose the correct word form: 'Solar and wind power are ___ sources of energy.'
Answer: renewable
The adjective describing energy that never runs out is 'renewable' (-able = 'can be'). 'Renewed' and 'renewing' are participles and 'renovated' is used for buildings.
That was 6 of 36 The environment questions.
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