Environmental Studies Pollutants TS TET MCQ

01 The poisonous gas in the air is ....... 1. hydrogen 2. nitro carbons 3. carbon monoxide 4. none

02 Ozone layer is damaged due to ..... 1. carbon dioxide 2. nitro carbons 3. chloro fluoro carbons 4. none

03 Carboxy hemoglobin is formed by the hemoglobin mixed with ..... 1. carbon monoxide 2. headache 3. a and b 4. none

04 The diseases we get if we breathe polluted air ...... 1. asthma 2. headache 3. a and b 4. none

05 Oxygen in air is ...... 1. 20% 2. 21% 3. 22% 4. none

06 Nitrogen in air is ...... 1. 78% 2. 77% 3. 76% 4. none