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Option 1: This option matches Ozone gas with 1, Nitrous oxide with 4, Carbon dioxide with 5, and Carbon monoxide with 3. It is incorrect because Nitrous oxide does not combine with haemoglobin (option 1).
Option 2: This option matches Ozone gas with 2, Nitrous oxide with 2, Carbon dioxide with 3, and Carbon monoxide with 5. It is incorrect because Ozone gas does not relate to ultraviolet radiation (option 2).
Option 3: This option matches Ozone gas with 1, Nitrous oxide with 4, Carbon dioxide with 3, and Carbon monoxide with 2. It is incorrect because Carbon monoxide is not a component of air in small quantities (option 3).
Option 4: This option matches Ozone gas with 2, Nitrous oxide with 5, Carbon dioxide with 3, and Carbon monoxide with 1. It is the correct answer as it matches all the elements of List I with their corresponding numbers in List II. Ozone gas relates to ultraviolet radiation, Nitrous oxide is associated with infrared radiation, Carbon dioxide is a component of air in small quantities, and Carbon monoxide