Environmental Science: Atmosphere and Pollution
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Questions and Answers

Which of the following conceptual components of the environment are effective transporters of matter? (Select all that apply)

  • Atmosphere and hydrosphere (correct)
  • Hydrosphere and lithosphere (correct)
  • Atmosphere and lithosphere (correct)
  • Lithosphere and biosphere

    • A relatively dense layer of band which is found in the thermosphere is known as?

  • Troposphere
  • Stratosphere
  • Mesosphere
  • Ionosphere (correct)

    • Which of the following conceptual spheres of the environment has the least storage capacity for matter?

  • Atmosphere (correct)
  • Lithosphere
  • Hydrosphere
  • Biosphere

    • Which of the following is an example of impact of development activities on the hydrosphere?

    <p>Water pollution</p> Signup and view all the answers

    Which of the following statements is true?

    <p>Troposphere is thicker at the equator than at the poles</p> Signup and view all the answers

    The temperature decreases with altitude in the stratosphere layer.

    <p>False</p> Signup and view all the answers

    Which of the following indicates the correct order of the principal layers of the earth’s atmosphere from top to bottom?

    <p>Exosphere – Thermosphere – Mesosphere – Stratosphere – Troposphere</p> Signup and view all the answers

    The study of living organisms with the environment is known as ____________

    <p>Ecology</p> Signup and view all the answers

    Highest percentage of air consists of

    <p>Nitrogen</p> Signup and view all the answers

    All are particulate pollutants except

    <p>Ozone</p> Signup and view all the answers

    Which of the following is a secondary pollutant?

    <p>O3</p> Signup and view all the answers

    The term “Environment” means

    <p>Sum total of all conditions that the life and development of all organisms on earth</p> Signup and view all the answers

    The layer which provides an ideal site for flying of jet planes is

    <p>Stratosphere</p> Signup and view all the answers

    71% of the earth's surface is covered with:

    <p>Water</p> Signup and view all the answers

    Major source of pollutant sulphur dioxide is:

    <p>All the above</p> Signup and view all the answers

    The Taj Mahal is being affected by

    <p>Air pollution</p> Signup and view all the answers

    Most polluted river in the world is

    <p>Yamuna</p> Signup and view all the answers

    Air pollution causes

    <p>Respiratory problems</p> Signup and view all the answers

    Greenhouse gas is

    <p>Methane</p> Signup and view all the answers

    The percentage of nitrogen is

    <p>78%</p> Signup and view all the answers

    Carbon monoxide is a pollutant because

    <p>Reacts with haemoglobin</p> Signup and view all the answers

    The one which is not considered as a naturally occurring greenhouse gas is…

    <p>Ethane</p> Signup and view all the answers

    Gas leaked in Bhopal tragedy:

    <p>Methyl isocyanate</p> Signup and view all the answers

    Which layer of the atmosphere contains the ozone layer?

    <p>Stratosphere</p> Signup and view all the answers

    There is a threat to the beauty of the Taj Mahal from:

    <p>Acid rain</p> Signup and view all the answers

    Which of the following is not an air pollutant?

    <p>Oxygen</p> Signup and view all the answers

    Aerosols consisting of solid particles produced by combustion?

    <p>Smoke</p> Signup and view all the answers

    Which gas is mainly produced due to incomplete burning of wood?

    <p>CO</p> Signup and view all the answers

    What causes pollution?

    <p>Human activities</p> Signup and view all the answers

    CNG is a

    <p>Clean fuel</p> Signup and view all the answers

    Pollution of water is responsible for

    <p>All</p> Signup and view all the answers

    Chlorofluorocarbon is used in

    <p>All</p> Signup and view all the answers

    The ____________ is an important requirement of aquatic life.

    <p>Dissolved oxygen</p> Signup and view all the answers

    Wastewater released from _________ are not the sources of bacteria.

    <p>Sanitaria</p> Signup and view all the answers

    Study Notes

    Atmosphere and Environmental Components

    • The atmosphere, hydrosphere, and lithosphere are effective transporters of matter.
    • The atmosphere has the least storage capacity for matter among the conceptual spheres of the environment.
    • Development activities significantly impact the hydrosphere, leading to water pollution.
    • The troposphere is thicker at the equator than at the poles.
    • The temperature decreases with altitude in the stratosphere layer.
    • The layers of the earth's atmosphere from top to bottom are the exosphere, thermosphere, mesosphere, stratosphere, and troposphere.

    Air Pollution

    • Nitrogen comprises the highest percentage of air.
    • Ozone (O3) is a secondary pollutant.
    • Air pollution causes global warming, respiratory problems, and affects historical monuments like the Taj Mahal.
    • The most polluted river in the world is the Yamuna.
    • Carbon monoxide is a pollutant because it reacts with hemoglobin, inhibiting oxygen transportation.
    • Methane, carbon dioxide, and nitrous oxide are naturally occurring greenhouse gases.
    • The Bhopal tragedy was caused by the leakage of methyl isocyanate gas.

    Ozone Layer and Air Pollution

    • The ozone layer is located in the stratosphere.
    • Acid rain is a threat to the beauty of the Taj Mahal.
    • Oxygen is not an air pollutant.
    • Smog is an aerosol consisting of solid particles produced by combustion.
    • Carbon monoxide (CO) is mainly produced due to incomplete burning of wood.
    • Pollution is primarily caused by human activities.
    • CNG is a clean fuel.

    Water Pollution and Environmental Protection

    • Water pollution is caused by oil refineries, paper factories, and sugar mills.
    • Chlorofluorocarbons are used in refrigerators, air conditioners, and perfumes.
    • Dissolved oxygen is an important requirement for aquatic life.
    • Wastewater released from sanitation facilities and industries are major sources of bacteria.
    • Landfills are the primary source of leachate, which can contaminate groundwater.
    • The depletion of the ozone layer is caused by the release of chlorofluorocarbons into the atmosphere.

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    Related Documents

    Environmental Science Past Paper PDF - SRM Institute of Science & Technology

    Description

    Explore the interactions between the atmosphere, hydrosphere, and lithosphere, and their roles in environmental transport. Understand the impact of air pollution and its consequences on health and the environment. This quiz covers key concepts about atmospheric layers and pollutants.

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