GyanGramQuestion
Lead, ingested or inhaled is a health hazard. After the addition of lead to petrol has been banned, what still are the sources of lead poisoning?
1. Smelting units
2. Pens and pencils
3. Paints
4. Hair oils and cosmetics
PRELIMS 2012 · ENVIRONMENT
Lead, ingested or inhaled is a health hazard. After the addition of lead to petrol has be…
Attempt this previous-year question. The correct option stays hidden until you choose.
Pick an option to check yourself.
• Correct Answer: B
• Smelting units and lead-based paints remain significant sources of lead poisoning despite the petrol ban.
• Pencils contain non-toxic graphite; hair oils and standard cosmetics are not recognized lead sources.
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