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

Question 3

     

    The diagrams below illustrate methods used in waste management. Study them and answer questions 3 (a) to (c).

     

    1. Name each of the methods labelled A and B. [2 marks]
    2. State:
      1. one advantage each of the methods labelled A and B.[2 marks]
      2. two disadvantage each of the methods labelled A and B.[4 marks]
    3. Mention two pests that could be found in the method labelled B when it is properly kept[2 marks]

Observation

 

Majority of the candidates that attempted this question were able to answer some of the questions satisfactorily.

The expected answers are:

     

    1. Name methods labelled A and B
      A - incinerator
      B - refuse bin/dust bin/waste bin
    2.  
      1. Advantage of the method labelled A
        • - it can cater for large volume of refuse
        • - bad odour is not perceived
        Advantage of the method labelled B
        • - easy to manage/ to empty
        • - it is not costly
      2. Disadvantages of the method labelled A
        • - very expensive to construct
        • - air pollution/ generates ashes /soots / smoke
        • - it can be used for refuse waste only
        Disadvantages of the method labelled B
        • - it can harbour rodents/ pests
        • - it can be used for small quantity of refuse only/ easily filled up
    3.  
    4. Pests that could be found in the method labelled B
      • - cockroaches
      • - houseflies
      • - rodents/ rat/mice
      • - maggots
      • - spiders
      • - mosquitoes
      • - ants