Quelpr

CSEC Human and Social Biology · May/June 2014 · Paper 2 · Question 6(b)(ii)

Your class is required to test the flood water for bacteria. Describe the test for bacteria, and suggest TWO methods that could be used to sterilize the flood water.

The mark scheme is shown once you've answered.

Practise this question

Other parts of this question

  1. 6(a)(i)Define the term 'pollution' and give ONE example of a water pollutant.[3 marks]
  2. 6(a)(ii)Describe the process of eutrophication.[3 marks]
  3. 6(b)(i)Heavy rains cause flooding in farmland areas in a Caribbean country. Explain why members of your community become ill after eating vegetables from the flooded…[5 marks]

More practice: the rest of this paper · more Water and Waste Management questions · all CSEC Human and Social Biology past papers