GATE Civil Engineering (CE) 2021 Shift 2 Solved Paper

Question : 27 of 65

Marks: +1, -0

Which of the following statement(s) is/are correct?

Increased levels of carbon monoxide in the indoor environment result in the formation of carboxyhemoglobin and the long term exposure becomes a cause of candiovascular diseases.
Increased levels of volatile organic compounds in the indoor environment will result in the formation of photochemical smog which is a cause of cardiovascular diseases.
Long term exposure to the increased level of photochemical smog becomes a cause of chest constriction and irritation of the mucous membrane.
Volatile organic compounds act as one of the precursors to the formation of photochemical smog in the presence of sunlight.

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