Q. The velocity of air reduces to zero by the time it reaches the bronchi.

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Q. Particles of what size are filtered by the nasal passage?

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Q. What is the effect of ozone on human respiratory system?

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Q. Which of the following pollutants is the major contributor to photochemical smog?

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Q. What are the effects of sulphur dioxide on the human body?

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Q. How does increase in temperature affect air pollution?

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Q. Ocean is a source for carbon monoxide.

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Q. How does carbon monoxide affect the human body?

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Q. What is the Haldane equation used for?

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Q. How does nitrogen affect the human body?

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Q. Which of the following is the current major contributor to lead air pollution?

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Q. How does lead affect the human body?

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Q. Which of the following belongs to class of extremely toxic dioxin compound(s)?

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Q. Which of the following compounds was earlier produced for the utility of transformers?

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Q. Crocidolite, actionide and amosite belong to which of the following category of pollutants?

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Q. Which of the following plants is extremely sensitive towards sulphur dioxide?

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Q. TCDD is a human carcinogen.

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Q. Which of these is NOT a primary pollutant?

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Q. What percentage of pollutants is gaseous in nature?

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Q. Which of the following is an inorganic pollutant?

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