Question

What is biological magnification? Briefly mention the effect of soil pollution on humans

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Answer

Biological magnification

Biological magnification is the process by which harmful non-biodegradable substances, such as pesticides, heavy metals, and radioactive substances, increase in concentration at successive levels of a food chain. As organisms consume other organisms, these substances accumulate and become more concentrated in the fatty tissues of higher-level consumers.

Effect of soil pollution on humans:

Soil pollution can have several adverse effects on humans, including:

  1. Contaminated crops: Soil pollution can lead to the uptake of harmful substances by crops, making them unsafe for consumption and posing health risks to humans who eat them.
  2. Groundwater contamination: Pollutants in the soil can leach into groundwater, which is a source of drinking water for many communities, leading to the ingestion of toxic substances.
  3. Health issues: Exposure to contaminated soil can cause various health problems, such as respiratory issues, skin irritations, gastrointestinal problems, and even chronic diseases like cancer.

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