Q. Organic pollutants are persistent and can not be degraded in the environment by natural processes.

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Q. Which of the following is not an organic pollutant?

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Q. The compounds which does not get degraded under any circumstances is called _______

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Q. Bioconcentration factor is the concentration of a pollutant in a organism compared to that present in the environment.

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Q. Which of the following method leads to the accumulation of organic pollutants in the environment?

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Q. The persistence of the organic compounds depends on the presence of halogen.

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Q. Which of the following compound gets accumulated as a result of degradation by the anaerobic microorganisms?

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Q. Which of the following is used in bio degradation of xenobiotics?

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Q. Non-halogen based xenobiotics are converted into _________

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Q. A period of adaptation is required before microbial degradation of xenobiotics.

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Q. Hydrocarbons present in xenobiotic compounds can be degraded by aerobic and anaerobic processes.

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Q. Which of the following process is not used to convert the hydrocarbons present in the organic compounds to central metabolic intermediates?

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Q. Plants can degrade xenobiotic compounds.

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Q. The anaerobic degradation of xenobiotics is a faster process.

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Q. Phyto remediation technique is used to sequester pollutants in areas near the roots.

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Q. Acidic soils can be characterized by _______

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Q. Which of the following ions is not found in excess in acidic soils?

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Q. Which of the following ion is not found in acidic soils?

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Q. Which of the following is majorly found in acid sulphate soils?

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Q. Acidic sulphate soils have pH<4.

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