Life Science Multiple Choice Quiz Worksheet Page 7
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28 If radioactive waste contaminates an area, people living nearby may suffer from
A
bronchitis.
B
cancer.
C
sunburn.
D
TB.
(1)
29 The production of rice causes the release of one of the following gases that
also contributes to global warming.
A
carbon dioxide
B
CFCs
C
methane
D
nitrous oxide
(1)
30 What will be the effect of pesticides, such as dieldrin and DDT, when washed
into a river?
A
Carbon dioxide is added to the water.
B
Massive weed growth occurs in the water.
C
Organisms in the water are killed.
D
Oxygen is removed from the water.
(1)
[30]
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JSC 2007, Life Science
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