Which of the following statements regarding p | vedclass

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(A) $1$. $DDT$ (Dichlorodiphenyltrichloroethane) is a well-known non-biodegradable pollutant that persists in the environment and undergoes biomagnifi

Vedclass · Accepted Answer

$DDT$ is a non-biodegradable pollutant.

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(A) $1$. $DDT$ (Dichlorodiphenyltrichloroethane) is a well-known non-biodegradable pollutant that persists in the environment and undergoes biomagnification.$2$. High levels of fluoride in drinking water cause fluorosis (skeletal and dental),not osteoporosis.$3$. Black foot disease is caused by arsenic poisoning,not cadmium.$4$. 'Itai-Itai' disease is caused by cadmium poisoning,while methyl mercury causes Minamata disease.Therefore,the statement '$DDT$ is a non-biodegradable pollutant' is correct.

Column-$I$	Column-$II$
$(a)$ Small fish	$(1) \;25 \;ppm$
$(b)$ Zooplankton	$(2) \;2 \;ppm$
$(c)$ Fish-eating birds	$(3) \;0.5 \;ppm$
$(d)$ Large fishes	$(4) \;0.04 \;ppm$

Which of the following statements regarding pollutants is correct?

Similar Questions

Match the following concentrations of $DDT$ in an aquatic food chain:

Column-$I$ Column-$II$

$(a)$ Small fish $(1) \;25 \;ppm$

$(b)$ Zooplankton $(2) \;2 \;ppm$

$(c)$ Fish-eating birds $(3) \;0.5 \;ppm$

$(d)$ Large fishes $(4) \;0.04 \;ppm$

In acid rain,$SO_2$ accounts for approximately what percentage (in $, \%$)?

Assertion : The concentration of methane in the atmosphere has more than doubled in the last $250$ years.
Reason : Wetlands and rice fields are the major sources of methane.

What is the full form of $JFM$?

Today,the concentration of greenhouse gases is very high because of:

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