Complete the table below in relation to food contamination - Leaving Cert Home Economics - Question 6 - 2013
Question 6
Complete the table below in relation to food contamination.
Contaminant How contamination occurs Possible effect on th... show full transcript
Worked Solution & Example Answer:Complete the table below in relation to food contamination - Leaving Cert Home Economics - Question 6 - 2013
Step 1
How contamination occurs for Pesticides
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Answer
Pesticides contaminate food primarily through agricultural processes. Crops are often sprayed with insecticides, herbicides, and fungicides. Additionally, water sources can become contaminated through runoff from treated fields, carrying these chemicals into nearby water bodies. The contaminants can then be absorbed by plants and soil organisms, leading to further accumulation in the food chain.
Step 2
Possible effect on the body for Pesticides
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Exposure to pesticides can lead to respiratory problems, heart and circulatory issues. Some pesticides are known to cause birth defects and can affect the nervous system, potentially leading to serious health issues including cancer.
Step 3
How contamination occurs for Metal residues
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Metal residues typically contaminate food through contamination from soil, water sources, and improperly stored food products. For instance, lead can leach from old pipes or food containers used in canning processes. When humans consume contaminated food, they unknowingly intake these harmful metals.
Step 4
Possible effect on the body for Metal residues
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Metal residues can cause significant health issues such as stomach cramps, and damage to the kidneys and liver. They can also affect the immune system and cause headaches, alongside other neurological effects.
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