Health Education Paper 3 WASSCE (PC 2ND), 2019

Question 8

     

     

    1. What is land pollution?[2 marks]
    2. Mention three causes of land pollution.[3 marks]
    3. State five effects of land pollution.[5 marks]

Observation

 

Many candidates were able to answer this question satisfactorily although some of them answered the question vaguely.

The expected answers are:

  1. Definition of land pollution:
    • - Is the destruction/deterioration of the earth’s surfaces directly or indirectly.
    • - As a result of man’s activities/ misuse of land resources/ natural occurrence.

  2. Causes of land pollution
    • - agricultural practices/use of chemical.
    • - bush burning/deforestation
    • - mining
    • - human sewage
    • - industrial /factory discharge
    • - soil erosion/ landfills/ construction work
    • - illegal refuse dump
    • - lack of drainage on the road sides/at home
    • - urbanization

  3. Effects of land pollution
    • - offensive sights/odour
    • - breeding ground for insects/animals
    • - release of toxic materials into soil
    • - can cause injuries/accident
    • - renders soil infertile/destroys soil texture
    • - contamination of well water/ underground water
    • - disease spread.
    • - disruption of food chain
    • - global warming