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Phosphate containing fertilisers cause w...

Phosphate containing fertilisers cause water pollution. Addition of such compounds in water bodies cause ______.

A

enhanced growth of algae .

B

decreases in amount of dissolved oxygen in water .

C

deposition of calcium phosphate .

D

increase in fish population .

Text Solution

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The correct Answer is:
a,b
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Knowledge Check

  • Which causes water pollution

    A
    2.4-D and pesticides
    B
    Smoke
    C
    Automobile exhaust
    D
    Aeroplanes

  • Which cause water pollution?

    A
    Pathogens
    B
    Automobile exhausts
    C
    `PCBs`
    D
    (a) and (c )

  • Which causes water pollution ?

    A
    Pathogens
    B
    Automobile exhausts
    C
    PCBs
    D
    (a) and (c)
    • MODERN PUBLICATION-ENVIRONMENTAL POLLUTION -NCERT FILE ( NCERT EXEMPLAR PROBLEMS(Multiple Choice Questions) )
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    11. What are biodegradable and non-biodegradable pollutants ?

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    12. What are the sources of dissolved oxygen in water ?

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    13. What is the importance of measuring BOD of a water body ?

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    14. Why does water covered with excessive algal growth become polluted ?

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