CSEC Integrated Science · 2008 · Paper 2 · Question 5(g)
Describe how the sun can be used to purify polluted river water for domestic use.
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Practise this questionOther parts of this question
- 5(a)Draw a food chain showing the feeding relationships among all of the identified organisms.[2 marks]
- 5(b)Identify which of the organisms are producers.[1 mark]
- 5(c)If toxic chemicals killed the small animals and larvae in the river, state TWO effects this would have on the other organisms.[2 marks]
- 5(d)State TWO methods that villagers can use to catch fish in the river.[2 marks]
- 5(e)(i)State whether the same method of fishing used in the river could be used by deep sea fishermen.[1 mark]
- 5(e)(ii)Provide TWO reasons for the response in (e)(i).[2 marks]
- 5(f)(i)John placed two live small fish in a sealed bottle. State what will happen to the fish after a while.[1 mark]
- 5(f)(ii)Suggest a reason for what happens to the fish in the sealed bottle.[1 mark]
More practice: the rest of this paper · more Water and the Aquatic Environment questions · all CSEC Integrated Science past papers