Environmental Studies · General Awareness

Pollution and Human Impact

2,911 Questions

Pollution involves the introduction of contaminants into natural environments, causing severe human impact. This hub focuses on water pollution, thermal pollution, soil contamination, and diseases like Minamata. It is a highly relevant topic for environmental studies in UPSC exams.

Water pollution sourcesOcean pollutantsHeavy metal contaminationSoil erosion impactsThermal pollution causes

Pollution and Human Impact Questions

Multiple choice physics sources of energy biomass and biogas biogas conventional sources of energy

Choose the correct statement.

  1. Biomass energy causes no pollution.

  2. Biomass energy causes heavy pollution.

  3. Biomass energy causes less pollution as compared to conventional sources of energy.

  4. Biomass energy is costly.
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Biomass : Energy comes from living things like wood, animal wastes. Biomass does not produce pollutants like coal and petroleum does as it is completely organic. But burning of it still produce pollutants.

Multiple choice allotropes of carbon occurrence of carbon compounds in nature polymers chemistry

Who influences the plastic pollution the most?

  1. Public

  2. Manufacturer

  3. Government

  4. All of these
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation
We all share the responsibility for environmental issues like plastic pollution. Any issue which concerns and community, has to be resolved with the co-operation of all involved; it is a "shared responsibility". Those involved are Government, Municipalities, the raw material manufacturers, the retailers, and consumers.
Because domestic waste is a mixture of materials of which plastics is only a small component, under 2% by weight, it is the responsibility of government to manage waste and a regulate its disposal.
It is the responsibility of the plastics raw material and packaging manufacturers to come up with the most cost efficient solutions, which will preserve and protect goods, minimize the use of energy and reduce the weight and volume of waste. 
Multiple choice common health problem international health bodies health organisation biology

Sewage obtained from domestic premises as well as commercial and industrial buildings, known as

  1. Municipal Pollution

  2. Industrial Pollution

  3. Natural pollution

  4. Mining Pollution
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Sewage from domestic, commercial, and industrial sources collected by a municipality is generally referred to as municipal sewage or municipal pollution.

Multiple choice water and air and their importance natural resources- air, water and land air around us air chemistry introduction to natural resources land

Forest fire produces ...... pollution.

  1. air

  2. water

  3. sea

  4. soil
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

A forest fire is a natural source of air pollution. 


Several major air pollutants can be released when a fire is caused in the forest. 

For example, carbon monoxide even in small quantities can cause several damage to the plant and animal life. Higher levels of carbon monoxide content reduce the oxygen-carrying capacity of the blood and cause breathing problems.

Thus, the correct answer is option A. 

Multiple choice evs let's plant trees green revolution in india crop revolutions green revolution

Waterlogging and soil salinity are some of the problems that have come in the wake of 

  1. Soil erosion

  2. White revolution

  3. Green revolution

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

The Green Revolution, while increasing yields, led to issues like waterlogging and soil salinity due to excessive irrigation and chemical use.

Multiple choice evs garbage in, garbage out preparation of compost sewage disposal solid waste management

Which of the following action or activity may causes undesirable effect to our environment?
i)  Catching and keeping animals such as bird and cats at home.
ii) Feeding birds such as pigeon and crows in our neighbourhood.
iii) Burning unwanted plastic product in our neighbourhood o reduce non - biodegradable rubbish.
iv) Dumping biodegradable refuse such as fruit skins and bones in our sewage to make the water nutrients rich for healthy growth of flowering plants.

  1. iii and iv only

  2. ii and iv only

  3. ii, iii and daily

  4. i, ii, iii and D
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation
iii) Burning unwanted plastic product in our neighbourhood or reduce non-biodegradable rubbish.
  • Burning of plastic causes air pollution due to the release of nitrogen oxides, sulphur dioxides and other particulate matter into the atmosphere.
iv) Dumping biodegradable refuse such as fruit skins and bones in our sewage to make the water nutrients rich for healthy growth of flowering plants.
  • The above activity causes an undesirable effect on the environment.
  • So, the correct answer is 'iii and iv only'.
Multiple choice perfect competition and monopoly market structure and pricing economics

Dumping has major disadvantages, however, especially in heavily polluted areas.

  1. True

  2. False
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Dumping waste in landfills or open areas has significant environmental disadvantages, including groundwater contamination, air pollution from decomposition, and habitat destruction, especially in densely populated or polluted regions.

Multiple choice business organisation and correspondence environmental pollution and industries pollution and industrial pollution pollution and its type pollutions

Which of the following practices adversely effect the environment?

  1. Aeration

  2. Ploughing

  3. Weeding

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

Weeding is the process of removing unwanted plants in a crop. Once weedicides are applied, they contain harmful elements like DDT and many more which can leach into the soil and cause soil pollution and cause death of beneficial micro fauna present in the soil. These weedicides can also reach to the aquatic bodies by runoff water, causing algal blooms and thereby leading to the death of aquatic fauna.

Multiple choice business organisation and correspondence environmental pollution and industries pollution and industrial pollution pollution and its type pollutions

The undesirable change in physical, chemical or biological characteristics of air, land and water is referred as

  1. Pollutants

  2. Ecodestructions

  3. Pollution

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

Pollution is defined as the introduction of harmful materials or undesirable changes into the environment, affecting air, water, or land.

Multiple choice business organisation and correspondence environmental pollution and industries pollution and industrial pollution pollution and its type pollutions

All of the following contribute to pollution except 

  1. Thermal power plant

  2. Automobiles

  3. Nuclear power plant

  4. Hydroelectric power plant
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Hydropower is mainly used in the generation of electricity. It is a renewable source of energy. It is a clean, domestic, and renewable source of energy. It provides inexpensive electricity and produces no pollution. Unlike fossil fuels, hydropower does not destroy water during the production of electricity. 

Thus, the correct answer is option D.

Multiple choice geography environmental changes atmosphere as a green house global warming and climate change energy from the sun

Which one of the following is not a cause of environmental pollution?

  1. Population

  2. Industrialization

  3. Afforestation

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

The process of converting a non-forest land into a forest is known as Afforestation. Afforestation is highly important to maintain the biodiversity. Afforestation is necessary to combat the issues of global warming, soil erosion, pollution, and the maintenance of biodiversity and ecological balances. Afforestation is not a cause of environmental pollution.

Population, Industrialization and vehicles are the major causes of environmental pollution.

Multiple choice geography environmental changes atmosphere as a green house global warming and climate change energy from the sun

Land pollution is contaminating the land surface of the earth through _____.

  1. Dumping of urban waste matter

  2. Breakage of underground storage tanks

  3. Oil and fuel dumping, percolation of contaminated water

  4. Direct discharge of industrial waste to the soil

  5. All the above mentioned options
Reveal answer Fill a bubble to check yourself
E Correct answer
Explanation

Land pollution is caused by a variety of human activities, including improper waste disposal, industrial leaks, and chemical dumping, all of which contaminate the soil.