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Write an aquatic food chain....

Write an aquatic food chain.

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Knowledge Check

  • Find the correct order of biomagnification of DDT in an aquatic food chain.

    A
    Water (0.003 ppm), zooplankton (0.5 ppm), small fish (0.04 ppm), large fish (2 ppm), fish eating birds (25 ppm)
    B
    Water (0.003 ppm), zooplankton (0.4 ppm), small fish (0.05 ppm), large fish (2 ppm), fish eating birds (25 ppm)
    C
    Water (0.003 ppm), fish eating birds (25 ppm). zooplankton (0.5 ppm), small fish (0.04 ppm). large fish (25 ppm)
    D
    Water (0.003 ppm), small fish (0.04 ppm), zooplankton (0.5 ppm), large fish (2 ppm), fish eating birds (25 ppm)

  • Given figure represents biomagnification of DDT in an aquatic food chain. Select the incorrect statement regarding this.

    A
    When agricultural fields are sprayed with DDT, it is carried by runoff water into nearby aquatic bodies.
    B
    River water may have a very low concentration of DDT, but the carnivorous fish in that river may contain high concentration of DDT, which is still suitable for consumption by huyman beings.
    C
    Increased concentration of DDT in birds affects calucium metabolism due to which egg shells become thin and break before maturity.
    D
    None of these

  • The other all organism in an aquatic food chain is

    A
    Bacteria , seal Diatom , Fish Crustacea
    B
    Crustacea , seal ,Fish , polar , Bear , Diatom
    C
    Polar , Bear , Diatom , seal , Crustacea
    D
    Diatom , Crustacea , Fish seal ,Bacteria

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    The range of biomagnification of DDT in an aquatic food chain, if starting from 0.003 ppb level in water may go at fish-eating bird level upto

    The range of biomagnification of DDT in an aquatic food chain, if starting from 0.003 ppb level in water may go at fish eating bird level upto

    Find the correct order of biomagnification of DDT in an aquatic food chain:

    Biomagnification of DDT in an aquatic food chain starting from water having a concentration of 0.003 ppb may go, in fish eating birds, upto:

    In an aquatic food chain polluted by DDT, the tissue concentration of DDT would be highest in

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