(B) Black foot disease is a severe peripheral vascular disease that causes gangrene in the feet.It is primarily caused by chronic exposure to high con

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(B) Black foot disease is a severe peripheral vascular disease that causes gangrene in the feet.It is primarily caused by chronic exposure to high concentrations of Arsenic in drinking water.Arsenic contamination in groundwater is a major environmental health issue.

Class 12 Biology Environmental Issues Pollution

Easy

Black foot disease is caused by the toxicity of which of the following?

A
Oil spills
B
Arsenic
C
Copper
D
Mercury

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Environmental Issues

Subtopic

Pollution

In a polluted lake,the index of pollution is

Medium

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Match the columns:

Column-$I$ Column-$II$

$(1)$ Mercury $(a)$ Low blood pressure,blindness

$(2)$ Lead $(b)$ Hyperkeratosis,liver cirrhosis

$(3)$ Arsenic $(c)$ Bone deformation,testicular atrophy

$(4)$ Cadmium $(d)$ Abdominal pain,haemolysis

$(e)$ Anaemia,convulsions

Column-$I$	Column-$II$
$(1)$ Mercury	$(a)$ Low blood pressure,blindness
$(2)$ Lead	$(b)$ Hyperkeratosis,liver cirrhosis
$(3)$ Arsenic	$(c)$ Bone deformation,testicular atrophy
$(4)$ Cadmium	$(d)$ Abdominal pain,haemolysis
	$(e)$ Anaemia,convulsions