Lead, ingested or inhaled, is a health hazard. After the add

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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:

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1. ????? ???? ???????

2. ??? ?? ??????

3. ????

4. ??? ??? ?? ??????? ???????

???? ??? ?? ??? ?? ????? ???? ??? ????? ?????:

[Ecology and Environment 2011-16 New Without Errors,UPSC IAS Prelims 2012]

A 1, 2 and 3 only

केवल 1, 2 और 3

B 1 and 3 only

केवल 1 और 3

C 2 and 4 only

केवल 2 और 4

D 1, 2, 3 and 4

1, 2, 3 और 4

EXPLANATION

Folk medicines, ayurvedics, and cosmetics Other common sources of ...

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