Air Pollution

Photochemical smog pollution does not contain:

1. ozone

2. nitrogen dioxide

3. carbon dioxide

4. PAN (Peroxy Acyl Nitrate)

In a coal fired power plant, electrostatic precipitators are installed to control the emission of:

1. $S{O}_2$

2. $N{O}_x$

3. SPM

4. CO

Steps taken by the Government of India to control air pollution include:

dB is a standard abbreviation used for the quantitative expression of:

1. the density of bacteria in a medium

2. a particular pollutant

3. the dominant Bacillus in a culture

4. a certain pesticide

Acid rain is caused by increases in the atmospheric concentration of?

1. $S{O}_2$ $and$ $N{O}_2$

2. $S{O}_3$ $and$ $CO$

3. $C{O}_2$ $and$ $CO$

4. $O_3$ $and$ $dust$

Which one of the following statements is not valid for aerosols?

1. They alter rainfall and monsoon patterns

2. They caused increased agricultural productivity.

3. They have negative impact on agricultural land.

4. They are harmful to human health.

Air (Prevention and Control of Pollution) Act was amended in 1987 to include among pollutants:

1. Vehicular exhaust

2. Allergy causing pollen

3. Noise

4. Particulates of size 2.5 micrometer or below

According to the Central Pollution Control Board [CPCB] what size (in diameter) of particulate is responsible for causing greater harm to human health?

1. 3.5 micrometers

2. 2.5 micrometers

3. 4.0 micrometers

4. 3.0 micrometers

The device which can remove particulate matter present in the exhaust from a thermal power plant is :
1. Catalytic Convertor
2. STP
3. Incinerator
4. Electrostatic Precipitator

The entire fleet of buses in Delhi was converted to CNG from diesel. In reference to this, which one of the following statements is false?

Given below are two statements: