Quelpr
3 marksNutrition in Living Organisms

CSEC Biology · January 2008 · Paper 2 · Question 5(a)(ii)

Figure 5 shows an incompletely labelled nitrogen cycle.

Explain how nitrates from the soil become protein in plants and animals.

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Other parts of this question

  1. 5(a)(i)Name the process carried out by bacteria at EACH of the stages indicated by P, Q, R and S.[4 marks]
  2. 5(a)(iii)Leguminous plants have bacteria in their root nodules, which are involved in the nitrogen cycle. The relationship between the legumes and the bacteria is…[2 marks]
  3. 5(b)Apart from mutualism, identify TWO OTHER types of relationships that occur among living organisms. Give ONE example of each relationship you identify.[4 marks]

More practice: the rest of this paper · more Nutrition in Living Organisms questions · all CSEC Biology past papers