UPSC CSE Prelims 2012 Q15 — Environment & Ecology PYQ

2012Q15·Environment & Ecology·Pollution & Waste Management

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

Select the correct answer using the codes given below :

UPSC CSE Prelims 2012 Q15 — Environment & Ecology PYQ with Answer

UPSC CSE Prelims 2012 Q15 — Environment & Ecology PYQ with Answer