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b. Prelims Paper (GS) Paper – 1

(UPSC 2013) 29. Due to improper / indiscriminate disposal of old

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  • May 27, 2015 at 5:55 pm #6077
    Wonder Boy
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      29. Due to improper / indiscriminate disposal of old and used computers or their parts, which of the following are released into the environment as e-waste?

      1. Beryllium

      2. Cadmium

      3. Chromium

      4. Heptachlor

      5. Mercury

      6. Lead

      7. Plutonium

       

      Select the correct answer using the codes given below.

       

      (a) 1, 3, 4, 6 and 7 only

      (b) 1, 2, 3, 5 and 6 only

      (c) 2, 4, 5 and 7 only

      (d) 1, 2, 3, 4, 5, 6 and 7

      Solve & post answer with explanation below (Mobile Users – Click Visit Website). Login/Register  for  unmoderated reply and posts.

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