Heavy Metal Poisoning

Q.

Fluoride pollution mainly affects:

1. Brain

2. Heart

3. Teeth

4. Kidney

Q.

Match the column

$\begin{array}{cccc}& \text{Column-I}& & \text{Column-II}\\ \left(I\right)& \text{Arsenic}& \left(P\right)& \text{Minamata}\\ \left(II\right)& \text{Nitrate}& \left(Q\right)& \text{Itai-Itai}\\ \left(III\right)& \text{Mercury}& \left(R\right)& \text{Blue baby syndrome}\\ \left(IV\right)& \text{Cadmium}& \left(S\right)& \text{Skeletal fluorosis}\\ \left(V\right)& \text{Fluoride}& \left(T\right)& \text{Black foot disease}\end{array}$

1. (I) – (T); (II) – (R); (III) – (P); (IV) – (Q); (V) – (S)

2. (I) – (P); (II) – (R); (III) – (S); (IV) – (Q); (V) – (T)

3. (I) – (S); (II) – (R); (III) – (T); (IV) – (Q); (V) – (P)

4. (I) – (T); (II) – (S); (III) – (R); (IV) – (P); (V) – (Q)

Q. Minamata disease was caused due to the consumption of

1. Sea food containing lots of cadmium
2. Fish contaminated with mercury
3. Oysters with lots of pesticides
4. Sea food contaminated with selenium

Q. Select the water pollutant that is common in West Bengal and Bangladesh.

1. Arsenic
2. Fluorine
3. Sodium
4. Lead

Q. A village is affected by numerous cases of fluorosis. Doctors treating this patient learn that the majority of the drinking water for the village is drawn from a well. The water from the well looks crystal clear. However, the doctor sends the water for chemical testing.
Regarding this an assertion and reason are made by the doctor. Please select the right option.
Assertion [A]: The clear looking water from the well contains high amount of minerals, especially fluorine.
Reason [R]: Water impurities are always microscopic or submicroscopic; clear water need not be potable water.

1. Both A and R are correct and R explains A
2. Both A and R are correct and R does not explain A
3. A is correct and R is incorrect
4. Both A and R are incorrect

Q. Regarding the assertion and reason, select the right option.
Assertion [A]: Water scarcity has led to arsenic and fluoride contamination of water.
Reason [R]: As the water gets scarce, the concentration of minerals such as arsenic and fluoride increases.

1. Both A and R are correct and R explains A
2. Both A and R are correct and R does not explain A
3. A is correct and R is incorrect
4. Both A and R are incorrect