Ecosystem

Past Examinations Questions

Components of an ecosystem

1.    Identification of components of an ecosystem (2 marks) (1991) (4 marks) (1999)

Functions of an ecosystem

1.    Description of energy flow in an ecosystem (6 marks) (1991)

2.    Drawing arrows to show energy flow (3 marks) (1999)

3.    Inputs of nutrients to producers (3 marks) (1991)

4.    The role of micro-organisms in TRF (5 marks) (1999)

Tropical Rainforest Ecosystem

1.    Identification of the natural vegetation, TRF (1 mark) (1994)

2.    World distribution of TRF (3 marks) (1994)

3.    Adaptations of  the tallest layer of TRF (5 marks) (1994)

Modification of TRF

1.    Modification of TRF ecosystem by human activities (5 marks) (1991)

2.    Modification of TRF ecosystem by natural hazards (3 marks) (1999)

3.    Impact of human activities on TRF ecosystem (5 marks) (1991)

4.    Impact of deforestation on TRF ecosystem (8 marks) (1999)

5.   Measures taken to regain stability of TRF ecosystem (4 marks) (1999)

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