Q. The first phase that leads to removal of ore is called as _______

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Q. The materials that are left after the successful separation of the valuable fraction from the ore is called as Tailings.

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Q. Tailings suspended in the water can damage the environment by releasing toxic metals.

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Q. Which of the following term is not used in place of the term “Tailings”?

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Q. Which of the following is not an after effects of the toxic metals released during tailings?

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Q. Which of the following compound is used in the extraction of gold mining?

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Q. Tailings is an output of which phase of mining?

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Q. Which of the following condition is caused due to tainings?

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Q. Mill tailings is radioactive.

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Q. Which of the following methods is not included for disposal of tailings methods?

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Q. When the open pit mines are refilled with the tailings is called as ________

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Q. Mining industry can try to stabilize the environmental pollution by plantation.

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Q. Acaccia mangium is considered an ideal plant for bioreclamation of overburden dumps.

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Q. Phyto stabilization is a technique of remediation where plants are used for removal of tailings from the environment by sequestering pollutants in areas near the roots.

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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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