Which of the following are correctly matched? | vedclass

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(D) $I.$ Arsenic poisoning causes Black foot disease. (Correct)$II.$ Secondary treatment of sewage is a biological process involving aerobic microbes.

Vedclass · Accepted Answer

$I, II, III$ and $IV$

Vedclass · Answer

(D) $I.$ Arsenic poisoning causes Black foot disease. (Correct)$II.$ Secondary treatment of sewage is a biological process involving aerobic microbes. (Correct)$III.$ Pyrolysis is a method of solid waste disposal involving thermal decomposition in the absence of oxygen. (Correct)$IV.$ Tubifex worms are indicators of organic water pollution. (Correct)$V.$ Biomagnification involves non-degradable pollutants (like $DDT$),not degradable ones. (Incorrect)Therefore,statements $I, II, III,$ and $IV$ are correctly matched.

Which of the following are correctly matched?
$I.$ Arsenic poisoning $-$ Black foot disease
$II.$ Secondary effluent treatment $-$ Biological process
$III.$ Pyrolysis $-$ Solid soil waste disposal
$IV.$ Tubifex $-$ Water pollution indicator
$V.$ Biomagnification $-$ Degradable pollutants

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Which of the following are correctly matched?$I.$ Arsenic poisoning $-$ Black foot disease$II.$ Secondary effluent treatment $-$ Biological process$III.$ Pyrolysis $-$ Solid soil waste disposal$IV.$ Tubifex $-$ Water pollution indicator$V.$ Biomagnification $-$ Degradable pollutants