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NEET Biology question

BiologyEnvironmental IssuesNEET

Not in NEET syllabus

Which of the following are correctly matched?

I. Arsenic poisoning — Black foot disease

II. Secondary effluent treatment — Biological process

III. Pyrolysis — Solid waste disposal

IV. *Tubifex* — Water pollution indicator

V. Biomagnification — Degradable pollutants **[Kerala CEE 2005]**

Answer: (D)

Solution

Chronic arsenic poisoning causes black foot disease (I correct). Secondary sewage/effluent treatment relies on microbial, i.e. biological, decomposition of organic matter (II correct). Pyrolysis, the thermal decomposition of waste in the absence of oxygen, is a recognised solid waste disposal method (III correct).

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Question ID VK-129884