iGCSE Biology (0610)-20.4 Conservation – iGCSE Style Questions Paper 3

Question

The government in Denmark encourages people to recycle their household waste. Table shows
the mass of household waste collected for recycling in Denmark in 2000, 2004 and 2008.

(a) Many governments aim to recycle at least 50% of all household waste.
In 2008, 2558 thousand tones of household waste was produced in Denmark.
(i) Calculate the percentage of household waste that was recycled in 2008.
Give your answer to the nearest whole number.
Show your working.
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(ii) The mass of waste paper and paper packaging collected for recycling decreased slightly
between 2004 and 2008.
Suggest a reason for this slight decrease.
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(iii) Name one other type of recyclable waste, shown in Table 6.1, which shows a similar
trend to paper and paper packaging.
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(b) The recycling of paper and paper packaging uses fewer resources than making paper from
trees.
Describe how paper is recycled.
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(c) Most waste that is not recycled is put in landfill sites or burnt. Greenhouse gases are produced
at landfill sites and by burning.
Explain the likely consequences of an increase in the concentration of greenhouse gases in
the atmosphere.
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Answer/Explanation

Ans:

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