Environmental Issues

Multiple Choice Questions

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For a clean environment, which one following is not essential?

  • Producer

  • Consumer

  • Decomposer

  • Polluter

D.

Polluter

Pollution is any undesirable change in the physical, chemical or biological characteristics of the environment that has the potentiality to harm human life, useful resources and assets. Substances, chemical or factors causing pollution are called pollutants.

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    Nutrient enrichment of a lake will cause

    • eutrophication

    • stratification

    • biomagnification

    • bioaccumulation

    Answer

    Soil carried by gravity is

    • alluvial

    • eolian

    • colluvial

    • glacial

    Answer

    The true statement about 'green-house effect' is that it is caused by :

    • CO2 only

    • SO2 only

    • CO2 and SO2

    • CO2, CFC, CH4 and NO2 gases

    Answer

    Which of the following is not a Green-house gas?

    • N2O

    • CFC

    • O3

    • CO2

    Answer
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    Freon gas causing stratospheric O3 depletion is mainly released from

    • refrigerator

    • automobile

    • thermal power plant

    • steel industry

    Answer

    Which one of the following is mainly responsible for green houses effect?

    • SO2

    • CO2

    • CO

    • O2

    Answer

    SO2 pollution is indicated by

    • Desmodium (grasses)

    • Sphagnum (mosses)

    • Usnea (lichens)

    • Cucurbita (climbers)

    Answer

    Which of the following diseases is related to cadmium pollution?

    • Minamata

    • Pneumoconiosis

    • Anaemia

    • Itai- Itai

    Answer
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    Short Answer Type

    What is bioaccumulation?

    Answer
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