With reference to air pollution-related mortality, consider the following statements: Statement I: PM2.5 exposure can increase mortality even in the absence of acute respiratory symptoms. Statement II: PM2.5 affects human health primarily by reducing oxygen diffusion across alveoli. Which of the statements given above is/are correct?

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Environment & Ecology · Environmental Ecology

Verified Solution4 OptionsUpdated: October 2026👁️1 View

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Correct answer

Statement I only

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Answer 1

Statement I only

Answer 2

Statement II only

Answer 3

Both Statement I and Statement II

Answer 4

Neither Statement I nor Statement II

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