Pollutant
Effect
1) Lead (Pb)
a) Neurotoxin causing central nervous system damage
2) Mercury (Hg)
c) Neurotoxin, bioaccumulates in fatty tissues
3) Cadmium (Cd)
b) Pulmonary irritant, carcinogen
4) Chromium (Cr)
d) Causes skin rashes and allergic reactions
|
Pollutant |
Effect |
|
1) Lead (Pb) |
a) Neurotoxin causing central nervous system damage |
|
2) Mercury (Hg) |
c) Neurotoxin, bioaccumulates in fatty tissues |
|
3) Cadmium (Cd) |
b) Pulmonary irritant, carcinogen |
|
4) Chromium (Cr) |
d) Causes skin rashes and allergic reactions |
1
1-a, 2-c, 3-b, 4-d
2
1-c, 2-a, 3-b, 4-d
3
1-b, 2-d, 3-c, 4-a
4
1-a, 2-b, 3-d, 4-c