2. Sample Papers
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  4. Ecology And Environment

SSC Ecology And Environment Sample Paper NCERT Sample Paper-3

  • question_answer
    The potent carcinogen located in coal tar exhaust of automobiles and tobacco smoke is

    A)  Dioxin 

    B)  benzo[a]pyrene

    C)  Both above      

    D)  none above

    Correct Answer: B

    Solution :

    [b] Benzo[a]pyrene is a polycyclic aromatic hydrocarbon found in coal tar. The compound is one of the benzopyrenes, formed by a benzene ring fused to pyrene, and is the result of incomplete combustion at temperatures between \[300{}^\circ C\] and \[600{}^\circ C.\]


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