Air Pollution Past Year (1998 - 2005) MCQs Environmental Issues (OLD NCERT) Botany NEET Practice Questions, MCQs, Past Year Questions (PYQs), NCERT Questions, Question Bank, Class 11 and Class 12 Questions, and PDF solved with answers

Bhopal gas tragedy is related to:
1. Methane
2. Carbon monoxide
3. Methyl Isocyanate (MIC)
4. $S O_{2}$

Subtopic: Air Pollution |

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Which of the following is a secondary pollutant:
1. PAN
2. CO
3. $N O_{2}$
4. $S O_{2}$

Subtopic: Air Pollution |

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What is the intensity of sound in normal conversation:
1. 10 – 20 decibels
2. 30 – 60 decibels
3. 70 – 90 decibels
4. 120 – 150 decibels

Subtopic: Air Pollution |

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Recently Govt. of India has allowed the mixing of alcohol in petrol. What is the amount of alcohol permitted for mixing in petrol:

1. 10–15%

2. 10%

3. 5%

4. 2.5%

Subtopic: Air Pollution |

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