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4 marksFood Chains, Food Webs, and Decomposers

CSEC Biology · January 2014 · Paper 2 · Question 5(a)(i)

Draw a simplified labelled diagram of the nitrogen cycle to show THREE processes that involve bacteria and ONE process that does not involve bacteria.

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Other parts of this question

  1. 5(a)(ii)State TWO consequences of nitrogen deficiency in plants.[2 marks]
  2. 5(b)(i)Explain how excess nitrate fertilizer may be responsible for the overgrowth of algae and death of the aquatic organisms.[3 marks]
  3. 5(b)(ii)Discuss THREE ways in which this problem could be remedied.[6 marks]

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