Given below are two statements. In the light of the above statements, choose the correct answer from the options given below.
Statement I:Concentration of formaldehyde in the indoor environment can be a thousand times higher than the outdoor environment.
Statement II:Formaldehyde is a known carcinogen.
ABoth Statement I and Statement II are true ✓ Correct
BBoth Statement I and Statement II are false
CStatement I is true but Statement II is false
DStatement I is false but Statement II is true
Correct answer: (A) Both Statement I and Statement II are true
Explanation
Both statements about formaldehyde stand as true.
Statement 1 is true, as indoor formaldehyde can reach concentrations a thousand times the outdoor level.
It builds up from plywood, adhesives, furnishings and paints in enclosed spaces.
Statement 2 is true, as formaldehyde is a recognised human carcinogen.
Prolonged exposure is linked to nasal and respiratory cancers.
Good ventilation is the simplest way to cut indoor formaldehyde levels.
Want more like this? Create a free account to practise a full test, track your progress, and get spaced-repetition review.
Practise on Mcqkart →🎓 Book an expert →