Quelpr
7 marksPollution and Environmental Health

CSEC Human and Social Biology · May/June 2013 · Paper 2 · Question 6(b)

Describe a test for determining if your school's water supply is contaminated with bacteria, and explain how the results of the test are to be interpreted.

The mark scheme is shown once you've answered.

Practise this question

Other parts of this question

  1. 6(a)(i)Define the term 'pollutant', and give an example of a pollutant that CANNOT be seen or touched.[2 marks]
  2. 6(a)(ii)Outline ONE way in which water can be purified on a small scale.[1 mark]
  3. 6(a)(iii)Explain how water can become polluted after a hurricane.[5 marks]

More practice: the rest of this paper · more Pollution and Environmental Health questions · all CSEC Human and Social Biology past papers