Q. Consider the following statements:
1.Arsenic is naturally present at high levels in the groundwater.
2.People who smoke tobacco can also be exposed to the natural inorganic arsenic.
3.Organic arsenic compounds are highly toxic while inorganic arsenic compounds are less harmful to health..
Which of the statements given above are correct?

[A] 1 and 2 only

[B] 2 and 3 only

[C] 1 and 3 only

[D] 1, 2 and 3

Answer: A
Notes:

Explanation –

Statement 1 and 2 are correct. Arsenic is naturally present at high levels in the groundwater. People who smoke tobacco can also be exposed to the natural inorganic arsenic content of tobacco because tobacco plants can take up arsenic naturally present in the soil.

Statement 3 is incorrect.  Inorganic arsenic compounds (such as those found in water) are highly toxic while organic arsenic compounds (such as those found in seafood) are less harmful to health.

Source: The Times of India