Match the following columns: Column-I | vedclass

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(B) The correct matches are as follows:$(a)$ Biomagnification: It refers to the increase in concentration of non-biodegradable substances (like $DDT$)

Vedclass · Accepted Answer

$a-3, b-1, c-4, d-2$

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(B) The correct matches are as follows:$(a)$ Biomagnification: It refers to the increase in concentration of non-biodegradable substances (like $DDT$) at successive trophic levels.$(b)$ Eutrophication: It is the natural aging of a lake by nutrient enrichment of its water,particularly by nitrogen and phosphorus (nitrates and phosphates).$(c)$ Global warming: It is caused by the increase in the concentration of greenhouse gases (like $CO_2$,$CH_4$) in the atmosphere.$(d)$ Ozone depletion: It is primarily caused by chlorofluorocarbons $(CFCs)$ and other substances containing chlorine atoms that break down the ozone layer.Therefore,the correct sequence is $a-3, b-1, c-4, d-2$.

Column-$I$	Column-$II$
$(a)$ Biomagnification	$(1)$ Nitrates and Phosphates
$(b)$ Eutrophication	$(2)$ Chlorine
$(c)$ Global warming	$(3)$ $DDT$
$(d)$ Ozone depletion	$(4)$ Greenhouse gases

Match the following columns:

Column-$I$ Column-$II$

$(a)$ Biomagnification $(1)$ Nitrates and Phosphates

$(b)$ Eutrophication $(2)$ Chlorine

$(c)$ Global warming $(3)$ $DDT$

$(d)$ Ozone depletion $(4)$ Greenhouse gases

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Match the following columns: Column-$I$ Column-$II$ $(a)$ Biomagnification $(1)$ Nitrates and Phosphates $(b)$ Eutrophication $(2)$ Chlorine $(c)$ Global warming $(3)$ $DDT$ $(d)$ Ozone depletion $(4)$ Greenhouse gases