2. Questions Bank
  3. UPSC
  4. Ecology And Environment
  5. Environmental Issue And Environmental Pollution

UPSC Ecology And Environment Environmental Issue And Environmental Pollution Question Bank Environmental Issues

  • question_answer
    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

    Correct Answer: B

    Solution :

    Electronic waste or E-waste has ferrous and nonferrous metals both. Non-ferrous metals like copper, aluminum, silver, gold, platinum, palladium etc. The presence of elements like lead, mercury arsenic, cadmium, selenium and hexavalent chromium are classified as hazardous waste.


You need to login to perform this action.
You will be redirected in 3 sec spinner