Q. Greater the Air Quality Index of a region, more polluted is the air.

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Q. How many parameters are taken into consideration when measuring air quality, in India?

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Q. Which of the following pollutants are considered when measuring air quality?

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Q. What range of air quality index has the most severe impact on human health?

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Q. Hazardous pollutants are those pollutants for which air quality standards have been devised.

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Q. Which of the following devices is NOT used to control particulate emissions?

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Q. Which of the mentioned devices are used for removing vapour phase/ gaseous pollutants?

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Q. What is the size range of respirable suspended particulate matter?

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Q. Air-borne particulates are classified as group 1 carcinogens.

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Q. Which of the following is a viable particulate?

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Q. Which type of particulate is condensed form of vapours?

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Q. What is the composition of photochemical smog?

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Q. Which of the following constituent of photochemical smog causes the bronzing of plants?

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Q. What is the reason behind the yellow colour of smog?

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Q. Which of the following aerosols have the best absorbing properties?

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Q. What is the size range of atmospheric particulate matter?

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Q. In rural areas, what has contributed significantly to particulate pollution?

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Q. Below which of the following pH is rain regarded as ‘acid rain’?

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Q. Glass containers are generally not preferred for sampling rain water. Why?

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Q. Which of the following gases are main contributors to acid rain?

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