Observe figure and answer the following questions. (i) What ecological term is used to describe the DDT accumulation

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Q 2012623539.     Observe figure and answer the following questions.

(i) What ecological term is used to describe the DDT accumulation at
different trophic levels?
(ii) List any one effect of DDT accumulation on birds.
(iii) Will DDT accumulation lead to eutrophication?
(iv) Does it affect the BOD? ยท
(v) Name disease caused by accumulation of any heavy metal.

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