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In the given region in Japan, fish eatin...

In the given region in Japan, fish eating people developed Itai-Itai disease. What was the cause of disease and the phenomenon involved ? Explain

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Accumulation of non-biodegradable cadium in fishes. This chemical biomagnified in a food chain and the phenomenon involved is termed biological magnifiction. For details reder to article 6.4.3., page 357.
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Knowledge Check

  • Highly painful skeletal deformities in Itai - itai disease is caused by

    A
    mercury
    B
    arsenic
    C
    cadmium
    D
    nitrates

  • "Itai-Itai" ("ouch-ouch") disease is caused by the poisoning of:

    A
    Lead
    B
    Mercury
    C
    Chromium
    D
    Cadmium

  • Which of the following metals causes Itai-Itai disease ?

    A
    Cadmium
    B
    Chromium
    C
    Cobalt
    D
    Copper

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