12th Class Biology Sample Paper Biology - Sample Paper-11

  • question_answer
    Technology today has added many gadgets to our lives. Neeta reads a report on gadgets disposal and felt disturbed about the health hazard of people living nearby. Discuss the steps that must be taken for controlling this problem.

    Answer:

    The e-wastes (electronic) comprises the old, damaged or defunct gadgets. These wastes should be dumped in careful manner, otherwise they can cause environmental pollution by the accumulation of toxic metals.                            
    The steps that must be taken for controlling this problem are as follows
    · The e-wastes can be recycled in specially built facilities to extract important parts.
    · These can be manually operated to recover metals that can be further utilised.           
    · Any chemical batteries or other harmful parts should be removed before dumping.
    · If working, these gadgets can be given to poor people instead of dumping.


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