Environmental Studies

Air Pollution

2,298 Questions

Air pollution questions address the sources of emissions, indoor air quality, and the formation of photochemical smog. You will explore the impact of particulate matter, acid rain, and urban pollutants. This is a highly relevant subject for environmental studies and general awareness tests.

Photochemical smogParticulate matter emissionsAcid rain causesIndoor air pollutionAmmonia emissions

Air Pollution Questions

Multiple choice business organisation and correspondence industrial pollution and degradation of environment sources of pollution environmental conservation environment and conservation

Which of the following is not a pollutant?

  1. ${ SO } _{ 2 }$
  2. ${ CO } _{ 2 }$

  3. CO
  4. ${ NO } _{ 2 }$
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Carbon dioxide is described as pollutant or not a pollutant depending on the source of emission. The carbon dioxide which is released from the plants and animals as the end product of the respiration is not considered as a pollutant. The carbon dioxide gas which is released as the exhausts and emissions from the industries causes pollution and are referred as a pollutant. The main role of the gas is in increasing the temperature of Earth and so these are not pollutants

So, the correct answer is '${ CO } _{ 2 }$'

Multiple choice business organisation and correspondence industrial pollution and degradation of environment sources of pollution environmental conservation environment and conservation

All are particulate pollutants except

  1. Dust

  2. Ozone

  3. Soot

  4. Smoke
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Ozone is formed through reactions between the primary nitrogen oxides and hydrocarbons in the presence of sunlight. It is a gaseous pollutant. Particulate matter consists of soot, flash, dust of various types, fur, hair, spores etc. They are classified into settleable and suspended particulate matter. Thus, the correct answer is option B.

Multiple choice business organisation and correspondence industrial pollution and degradation of environment sources of pollution environmental conservation environment and conservation

_______ Is any such constituent which causes pollution.

  1. Radiation

  2. Pollutant

  3. Particulate

  4. All of the above
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Pollution is the addition of any such constituent to air,water or land which deteriorate the natural quity of the environment. And Pollutant is any such constituent which causes pollutant.

Multiple choice business organisation and correspondence industrial pollution and degradation of environment sources of pollution environmental conservation environment and conservation

Air pollution can be

  1. Gaseous

  2. Particulate type

  3. Both A and B

  4. None of the above
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The air pollution is basically of two types:
1) Gaseous pollution: harmful gases given out from a variety of sources.
2) Particulate pollution: particles such as those of dust, smoke, mining, stone drilling, wearing of rubber types of motor vehicles.

Multiple choice business organisation and correspondence industrial pollution and degradation of environment sources of pollution environmental conservation environment and conservation

Which of the following causes pollution?

  1. Radiation

  2. Pollutant

  3. Particulate

  4. All of the above
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Pollution is the addition of any such constituent to air, water or land which deteriorates the natural equality of the environment.Pollutant is any such constituent which causes pollution. It degrades the quality of the environment.

Radiation is the emission of high energy particle which may cause mutagenic changes in humans leading to several chronic diseases.
Particulate is the minute suspended particles present in the air.
So, the correct answer is option B.

Multiple choice business organisation and correspondence industrial pollution and degradation of environment sources of pollution environmental conservation environment and conservation

Carbon mono oxide is a pollutant because

  1. it reacts with $O _{2}$

  2. it inhibits glycolysis

  3. makes nervous system inactive

  4. reacts with haemoglobin
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Carbon monoxide binds to hemoglobin with a much higher affinity than oxygen, forming carboxyhemoglobin, which prevents the blood from transporting oxygen to tissues.

Multiple choice business organisation and correspondence industrial pollution and degradation of environment sources of pollution environmental conservation environment and conservation

Which of the following statements are correct ?


(I) Benzene hexachloride (BHC) is a non-biodegradable pollutant.
(ii) Anthropogenic air pollutants are natural in origin.
(iii) Carbon monoxide is a primary air pollutant.
(iv) Sulphur dioxide causes brown air effect during traffic congestion in cities.

  1. (i) and (iii)

  2. (i) and (ii)

  3. (ii) and (iii)`

  4. (ii) and (iv)
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Anthropogenic air pollutants are man-made pollutants like emissions, burning of fossil fuels, mining, etc. Sulpur dioxide is produced in large quantities during the smelting of metallic ores and the burning of petroleum and coal in industries and by motor vehicles. It is cause of acid rain

Multiple choice our life and environment geography

The cement factories emit dust and smoke which contains carbon, metals and other solid materials that pollute the _______.

  1. Water

  2. Land

  3. Air

  4. None of these
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Factories are a major cause of air pollution an need to be checked regularly so that they follow environmental regulation policies. 

Multiple choice our life and environment geography

What gets released in the air due to the activities like drilling, blasting, road haulage, crushing and screening?

  1. Smoke and dust

  2. Fumes

  3. Particulate matter

  4. All of these
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Mining and quarrying activities like drilling, blasting, and crushing generate significant amounts of dust, smoke, and particulate matter.

Multiple choice separation of components of mixtures methods of separation elements, compounds and mixtures chemistry

______for the removal of VOCs from air, in recent times have become important due to environmental and economic driving forces.

  1. Liqueafaction

  2. Condensation based gas separations

  3. Solubility-based gas separations

  4. Solidification
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Solubility-based gas separations for applications such as the removal of VOCs from air, in recent times have become important due to environmental and economic driving forces.The main objective is to obtain membranes that exhibit high permeability and high selectivity for the heavier species over the light gases.

Multiple choice botany adaptation plant adaptation adaptation in plants plant habitat importance and classification of angiosperms aquatic plant adaptations pollination through water life in water

What reduces amount of light reaching leaf?

  1. Sulfur oxide emission

  2. Carbon dioxide

  3. Dust and Smog

  4. Nitrogen
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Dust and smog particles suspended in the air scatter and absorb sunlight, thereby reducing the intensity and quality of light that reaches the leaf surface for photosynthesis.

Multiple choice chemistry petrochemicals and polymers petroleum properties of alkanes petroleum and natural gas rocks and minerals

Lead particles are released into the air by the burning of ___________.

  1. coal in thermal power stations

  2. petrol in automobiles

  3. biomass in chullahs

  4. LPG for cooking
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Leaded petrol used to be a source of high levels of lead in the air of major cities. Significant reductions in the levels of air-borne lead were achieved over recent years as the result of air pollution legislation introduced to remove lead from petrol.

Multiple choice chemistry petrochemicals and polymers petroleum properties of alkanes petroleum and natural gas rocks and minerals

What is the source of sulphur dioxide emissions?

  1. Agricultural forms

  2. Petroleum refineries

  3. Hydroelectric power stations

  4. None of the above
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Sulphur dioxide emissions are given out by those industries which refine the sulphur containing products like petroleum refineries which employ catalytic processes to remove the sulphur from the petrol called as desulphurization which gives immense sulphur in the atmosphere as pollutant.

Multiple choice chemistry p- block elements-ii group 16 elements - general properties group 16 elements - trends in chemical properties group 16 elements

The smog is essentially caused by the presence of 

  1. $ \mathrm { O } _ { 2 } \text { and } \mathrm { O } _ { 3 } $
  2. $ O _ { 3 } \text { and } N _ { 2 } $

  3. Oxides of sulphur and nitrogen
  4. $ O _ { 2 } \text { and } N _ { 2 } $
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The atmospheric pollutants or gases that form smog are released in the air when fuels are burnt. When sunlight and its heat react with these gases and fine particles in the atmosphere, smog is formed. It is purely caused by air pollution. Ground level ozone and fine particles are released in the air due to complex photochemical reactions between volatile organic compounds (VOC), sulfur dioxide (SO2) and nitrogen oxides (NOx).

These VOC, SO2, and NOx are called precursors. The main sources of these precursors are pollutants released directly into the air by gasoline and diesel-run vehicles, industrial plants and activities, and heating due to human activities

Multiple choice evs when there is a disaster disaster and types disasters forest fire

Which of the following is a source of air pollution?

  1. Storm

  2. Tornado

  3. Forest fire

  4. None of the above
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Forest fires release large amounts of particulate matter, smoke, and greenhouse gases into the atmosphere, making them a significant source of air pollution.