CSEC Chemistry · January 2002 · Paper 2 · Question 6(c)(i)
Define biological control and discuss the possible long-term implications of its widespread use.
The mark scheme is shown once you've answered.
Practise this questionOther parts of this question
- 6(a)(i)Identify W, X, Y and Z in the nitrogen cycle diagram.[4 marks]
- 6(a)(ii)Explain the effects of step Y on the availability of nitrates to plants.[3 marks]
- 6(b)State THREE advantages and THREE disadvantages of organic farming.[6 marks]
- 6(c)(ii)Define chemical control and discuss the possible long-term implications of its widespread use.[3.5 marks]
More practice: the rest of this paper · more Impact of Metals on Living Systems and the Environment questions · all CSEC Chemistry past papers