GATE ES concept:particulate-matter PYQs & Answers

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Topic practice 1 questionsPage 1 of 1

Which ONE of the following options CORRECTLY matches the Criteria Air Pollutants with measurement methods used in Continuous Ambient Air Quality Monitoring Stations (CAAQMS) operated by Central Pollution Control Board (CPCB) given in the table?

Criteria Air Pollutants	Measurement Methods
(P) Sulphur Dioxide (SO , in μg/m )	(i) Chemiluminescence
(Q) Nitrogen Dioxide (NO , in μg/m )	(ii) Non Disperse Infra Red (NDIR) spectroscopy
(R) Particulate Matter (PM , in μg/m )	(iii) Ultraviolet fluorescence
(S) Carbon Monoxide (CO, in mg/m )	(iv) Beta attenuation

Your answerChoose one option.

(P) - (i); (Q) - (ii); (R) - (iii); (S) - (iv)

(P) - (iv); (Q) - (iii); (R) - (ii); (S) - (i)

(P) - (iii); (Q) - (i); (R) - (iv); (S) - (ii)

(P) - (ii); (Q) - (iii); (R) - (i); (S) - (iv)

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GATE ES concept:particulate-matter PYQs

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Question 39