Air Pollution and its Control
BIOXII16: ENVIRONMENTAL ISSUES

345136 Smokestacks of thermal power plants, smelters and other industries release
i. particulate pollutants
ii. Microorganisms
iii. harmless gases, such as nitrogen oxides
iv. gaseous air pollutants
v. harmless gases, such as nitrogen, oxygen

1 i, ii, iv , v
2 i, iv, v
3 i, ii, iii
4 All of the above
BIOXII16: ENVIRONMENTAL ISSUES

345137 Common indicator of air pollution is

1 Lichen
2 Entamoeba histolytica
3 Azolla filiculoides
4 All the above
BIOXII16: ENVIRONMENTAL ISSUES

345138 In a scrubber, the exhaust is passed through a

1 Spray of lime only
2 Spray of water only
3 Spray of water or lime
4 None of them
BIOXII16: ENVIRONMENTAL ISSUES

345139 In catalytic converters, hydrocarbons which are unburnt are changed into and carbon monoxide and nitric oxide are changed into

1 \(\mathrm{O}_{2}\) and \(\mathrm{CO}, \mathrm{CO}_{2}\) and \(\mathrm{N}_{2}\) respectively
2 \(\mathrm{CO}_{2}\) and \(\mathrm{H}_{2} \mathrm{O} ; \mathrm{CO}_{2}\) and \(\mathrm{N}_{2}\) respectively
3 \(\mathrm{O}_{2}\) and \(\mathrm{CO}_{2}, \mathrm{~N}_{2}\) respectively
4 \(\mathrm{H}_{2} \mathrm{O}, \mathrm{CO}_{2}\) and \(\mathrm{N}_{2}\) respectively
BIOXII16: ENVIRONMENTAL ISSUES

345140 Identify the function of the collecting plates

1 Attract the dust particles.
2 Attract the charged dust particles.
3 Produce a corona that releases electrons
4 Produce a corona that releases protons
BIOXII16: ENVIRONMENTAL ISSUES

345136 Smokestacks of thermal power plants, smelters and other industries release
i. particulate pollutants
ii. Microorganisms
iii. harmless gases, such as nitrogen oxides
iv. gaseous air pollutants
v. harmless gases, such as nitrogen, oxygen

1 i, ii, iv , v
2 i, iv, v
3 i, ii, iii
4 All of the above
BIOXII16: ENVIRONMENTAL ISSUES

345137 Common indicator of air pollution is

1 Lichen
2 Entamoeba histolytica
3 Azolla filiculoides
4 All the above
BIOXII16: ENVIRONMENTAL ISSUES

345138 In a scrubber, the exhaust is passed through a

1 Spray of lime only
2 Spray of water only
3 Spray of water or lime
4 None of them
BIOXII16: ENVIRONMENTAL ISSUES

345139 In catalytic converters, hydrocarbons which are unburnt are changed into and carbon monoxide and nitric oxide are changed into

1 \(\mathrm{O}_{2}\) and \(\mathrm{CO}, \mathrm{CO}_{2}\) and \(\mathrm{N}_{2}\) respectively
2 \(\mathrm{CO}_{2}\) and \(\mathrm{H}_{2} \mathrm{O} ; \mathrm{CO}_{2}\) and \(\mathrm{N}_{2}\) respectively
3 \(\mathrm{O}_{2}\) and \(\mathrm{CO}_{2}, \mathrm{~N}_{2}\) respectively
4 \(\mathrm{H}_{2} \mathrm{O}, \mathrm{CO}_{2}\) and \(\mathrm{N}_{2}\) respectively
BIOXII16: ENVIRONMENTAL ISSUES

345140 Identify the function of the collecting plates

1 Attract the dust particles.
2 Attract the charged dust particles.
3 Produce a corona that releases electrons
4 Produce a corona that releases protons
BIOXII16: ENVIRONMENTAL ISSUES

345136 Smokestacks of thermal power plants, smelters and other industries release
i. particulate pollutants
ii. Microorganisms
iii. harmless gases, such as nitrogen oxides
iv. gaseous air pollutants
v. harmless gases, such as nitrogen, oxygen

1 i, ii, iv , v
2 i, iv, v
3 i, ii, iii
4 All of the above
BIOXII16: ENVIRONMENTAL ISSUES

345137 Common indicator of air pollution is

1 Lichen
2 Entamoeba histolytica
3 Azolla filiculoides
4 All the above
BIOXII16: ENVIRONMENTAL ISSUES

345138 In a scrubber, the exhaust is passed through a

1 Spray of lime only
2 Spray of water only
3 Spray of water or lime
4 None of them
BIOXII16: ENVIRONMENTAL ISSUES

345139 In catalytic converters, hydrocarbons which are unburnt are changed into and carbon monoxide and nitric oxide are changed into

1 \(\mathrm{O}_{2}\) and \(\mathrm{CO}, \mathrm{CO}_{2}\) and \(\mathrm{N}_{2}\) respectively
2 \(\mathrm{CO}_{2}\) and \(\mathrm{H}_{2} \mathrm{O} ; \mathrm{CO}_{2}\) and \(\mathrm{N}_{2}\) respectively
3 \(\mathrm{O}_{2}\) and \(\mathrm{CO}_{2}, \mathrm{~N}_{2}\) respectively
4 \(\mathrm{H}_{2} \mathrm{O}, \mathrm{CO}_{2}\) and \(\mathrm{N}_{2}\) respectively
BIOXII16: ENVIRONMENTAL ISSUES

345140 Identify the function of the collecting plates

1 Attract the dust particles.
2 Attract the charged dust particles.
3 Produce a corona that releases electrons
4 Produce a corona that releases protons
BIOXII16: ENVIRONMENTAL ISSUES

345136 Smokestacks of thermal power plants, smelters and other industries release
i. particulate pollutants
ii. Microorganisms
iii. harmless gases, such as nitrogen oxides
iv. gaseous air pollutants
v. harmless gases, such as nitrogen, oxygen

1 i, ii, iv , v
2 i, iv, v
3 i, ii, iii
4 All of the above
BIOXII16: ENVIRONMENTAL ISSUES

345137 Common indicator of air pollution is

1 Lichen
2 Entamoeba histolytica
3 Azolla filiculoides
4 All the above
BIOXII16: ENVIRONMENTAL ISSUES

345138 In a scrubber, the exhaust is passed through a

1 Spray of lime only
2 Spray of water only
3 Spray of water or lime
4 None of them
BIOXII16: ENVIRONMENTAL ISSUES

345139 In catalytic converters, hydrocarbons which are unburnt are changed into and carbon monoxide and nitric oxide are changed into

1 \(\mathrm{O}_{2}\) and \(\mathrm{CO}, \mathrm{CO}_{2}\) and \(\mathrm{N}_{2}\) respectively
2 \(\mathrm{CO}_{2}\) and \(\mathrm{H}_{2} \mathrm{O} ; \mathrm{CO}_{2}\) and \(\mathrm{N}_{2}\) respectively
3 \(\mathrm{O}_{2}\) and \(\mathrm{CO}_{2}, \mathrm{~N}_{2}\) respectively
4 \(\mathrm{H}_{2} \mathrm{O}, \mathrm{CO}_{2}\) and \(\mathrm{N}_{2}\) respectively
BIOXII16: ENVIRONMENTAL ISSUES

345140 Identify the function of the collecting plates

1 Attract the dust particles.
2 Attract the charged dust particles.
3 Produce a corona that releases electrons
4 Produce a corona that releases protons
BIOXII16: ENVIRONMENTAL ISSUES

345136 Smokestacks of thermal power plants, smelters and other industries release
i. particulate pollutants
ii. Microorganisms
iii. harmless gases, such as nitrogen oxides
iv. gaseous air pollutants
v. harmless gases, such as nitrogen, oxygen

1 i, ii, iv , v
2 i, iv, v
3 i, ii, iii
4 All of the above
BIOXII16: ENVIRONMENTAL ISSUES

345137 Common indicator of air pollution is

1 Lichen
2 Entamoeba histolytica
3 Azolla filiculoides
4 All the above
BIOXII16: ENVIRONMENTAL ISSUES

345138 In a scrubber, the exhaust is passed through a

1 Spray of lime only
2 Spray of water only
3 Spray of water or lime
4 None of them
BIOXII16: ENVIRONMENTAL ISSUES

345139 In catalytic converters, hydrocarbons which are unburnt are changed into and carbon monoxide and nitric oxide are changed into

1 \(\mathrm{O}_{2}\) and \(\mathrm{CO}, \mathrm{CO}_{2}\) and \(\mathrm{N}_{2}\) respectively
2 \(\mathrm{CO}_{2}\) and \(\mathrm{H}_{2} \mathrm{O} ; \mathrm{CO}_{2}\) and \(\mathrm{N}_{2}\) respectively
3 \(\mathrm{O}_{2}\) and \(\mathrm{CO}_{2}, \mathrm{~N}_{2}\) respectively
4 \(\mathrm{H}_{2} \mathrm{O}, \mathrm{CO}_{2}\) and \(\mathrm{N}_{2}\) respectively
BIOXII16: ENVIRONMENTAL ISSUES

345140 Identify the function of the collecting plates

1 Attract the dust particles.
2 Attract the charged dust particles.
3 Produce a corona that releases electrons
4 Produce a corona that releases protons