waecE-LEARNING
Health Science Paper 2, Nov/Dec. 2014  
Questions: 1 2 3 4 5 6 7 8 9 Main
General Comments
Strength
Weakness/Remedies

Question 3
  1. State four sources of water pollution.                                                                        [4 marks]

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observation

   This question was attempted by many candidates and their performance was very good.  Candidates correctly stated sources of water pollution, while a few candidates mentioned mining activities as sources of water pollution.

The expected answers are as follows:

            SOURCES OF WATER POLLUTION

  1. factory waste / industrial sewage
  2. human waste / domestic sewage
  3. agricultural pollutants (nitrates, pesticides and chemicals)
  4. oil spill
  5. mining activities
  6. dumping of refuse in water

 

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