Air Pollution and its Control
BIOXII16: ENVIRONMENTAL ISSUES

345127 Read the following statements informing about \({\rm{CNG}}\) and select the option showing statements which supports the fact that \(\mathrm{CNG}\) is much better fuel than petrol and diesel.
I. CNG burns most efficiently, unlike petrol or diesel, in the automobiles and very little of it is left unburnt.
II. \(\mathrm{CNG}\) is cheaper than petrol or diesel.
III. To switching over to \({\rm{CNG}}\) we have to lay down pipelines to deliver \(\mathrm{CNG}\) through distribution points/ pumps.
IV. \({\rm{CNG}}\) cannot be siphoned off by thieves and adulterated like petrol or diesel

1 I, II, III, IV
2 I, II, IV
3 I, III, IV
4 none of the above.
BIOXII16: ENVIRONMENTAL ISSUES

345128 Statement A :
As the exhaust passes through the catalytic converter, burnt hydrocarbons are converted into carbon dioxide and water.
Statement B :
Motor vehicles equipped with catalytic converter should use unleaded petrol because lead in the petrol activates the catalyst.

1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both statements are correct.
4 Both Statements are incorrect.
BIOXII16: ENVIRONMENTAL ISSUES

345129 A location with luxuriant growth of lichens on the trees indicates that the

1 Location is highly polluted
2 Location is not polluted
3 Trees are very healthy
4 Trees are heavily infested
BIOXII16: ENVIRONMENTAL ISSUES

345130 Which of the following is a secondary pollutant?

1 \(\mathrm{SO}_{2}\)
2 \(\mathrm{CO}_{2}\)
3 \(\mathrm{CO}\)
4 \(\mathrm{O}_{3}\)
BIOXII16: ENVIRONMENTAL ISSUES

345127 Read the following statements informing about \({\rm{CNG}}\) and select the option showing statements which supports the fact that \(\mathrm{CNG}\) is much better fuel than petrol and diesel.
I. CNG burns most efficiently, unlike petrol or diesel, in the automobiles and very little of it is left unburnt.
II. \(\mathrm{CNG}\) is cheaper than petrol or diesel.
III. To switching over to \({\rm{CNG}}\) we have to lay down pipelines to deliver \(\mathrm{CNG}\) through distribution points/ pumps.
IV. \({\rm{CNG}}\) cannot be siphoned off by thieves and adulterated like petrol or diesel

1 I, II, III, IV
2 I, II, IV
3 I, III, IV
4 none of the above.
BIOXII16: ENVIRONMENTAL ISSUES

345128 Statement A :
As the exhaust passes through the catalytic converter, burnt hydrocarbons are converted into carbon dioxide and water.
Statement B :
Motor vehicles equipped with catalytic converter should use unleaded petrol because lead in the petrol activates the catalyst.

1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both statements are correct.
4 Both Statements are incorrect.
BIOXII16: ENVIRONMENTAL ISSUES

345129 A location with luxuriant growth of lichens on the trees indicates that the

1 Location is highly polluted
2 Location is not polluted
3 Trees are very healthy
4 Trees are heavily infested
BIOXII16: ENVIRONMENTAL ISSUES

345130 Which of the following is a secondary pollutant?

1 \(\mathrm{SO}_{2}\)
2 \(\mathrm{CO}_{2}\)
3 \(\mathrm{CO}\)
4 \(\mathrm{O}_{3}\)
BIOXII16: ENVIRONMENTAL ISSUES

345127 Read the following statements informing about \({\rm{CNG}}\) and select the option showing statements which supports the fact that \(\mathrm{CNG}\) is much better fuel than petrol and diesel.
I. CNG burns most efficiently, unlike petrol or diesel, in the automobiles and very little of it is left unburnt.
II. \(\mathrm{CNG}\) is cheaper than petrol or diesel.
III. To switching over to \({\rm{CNG}}\) we have to lay down pipelines to deliver \(\mathrm{CNG}\) through distribution points/ pumps.
IV. \({\rm{CNG}}\) cannot be siphoned off by thieves and adulterated like petrol or diesel

1 I, II, III, IV
2 I, II, IV
3 I, III, IV
4 none of the above.
BIOXII16: ENVIRONMENTAL ISSUES

345128 Statement A :
As the exhaust passes through the catalytic converter, burnt hydrocarbons are converted into carbon dioxide and water.
Statement B :
Motor vehicles equipped with catalytic converter should use unleaded petrol because lead in the petrol activates the catalyst.

1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both statements are correct.
4 Both Statements are incorrect.
BIOXII16: ENVIRONMENTAL ISSUES

345129 A location with luxuriant growth of lichens on the trees indicates that the

1 Location is highly polluted
2 Location is not polluted
3 Trees are very healthy
4 Trees are heavily infested
BIOXII16: ENVIRONMENTAL ISSUES

345130 Which of the following is a secondary pollutant?

1 \(\mathrm{SO}_{2}\)
2 \(\mathrm{CO}_{2}\)
3 \(\mathrm{CO}\)
4 \(\mathrm{O}_{3}\)
BIOXII16: ENVIRONMENTAL ISSUES

345127 Read the following statements informing about \({\rm{CNG}}\) and select the option showing statements which supports the fact that \(\mathrm{CNG}\) is much better fuel than petrol and diesel.
I. CNG burns most efficiently, unlike petrol or diesel, in the automobiles and very little of it is left unburnt.
II. \(\mathrm{CNG}\) is cheaper than petrol or diesel.
III. To switching over to \({\rm{CNG}}\) we have to lay down pipelines to deliver \(\mathrm{CNG}\) through distribution points/ pumps.
IV. \({\rm{CNG}}\) cannot be siphoned off by thieves and adulterated like petrol or diesel

1 I, II, III, IV
2 I, II, IV
3 I, III, IV
4 none of the above.
BIOXII16: ENVIRONMENTAL ISSUES

345128 Statement A :
As the exhaust passes through the catalytic converter, burnt hydrocarbons are converted into carbon dioxide and water.
Statement B :
Motor vehicles equipped with catalytic converter should use unleaded petrol because lead in the petrol activates the catalyst.

1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both statements are correct.
4 Both Statements are incorrect.
BIOXII16: ENVIRONMENTAL ISSUES

345129 A location with luxuriant growth of lichens on the trees indicates that the

1 Location is highly polluted
2 Location is not polluted
3 Trees are very healthy
4 Trees are heavily infested
BIOXII16: ENVIRONMENTAL ISSUES

345130 Which of the following is a secondary pollutant?

1 \(\mathrm{SO}_{2}\)
2 \(\mathrm{CO}_{2}\)
3 \(\mathrm{CO}\)
4 \(\mathrm{O}_{3}\)