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ENVI SCIIIII FINAL TERM QUIZ 1 > WATER POLLUTION > Flashcards

WATER POLLUTION Flashcards

1
Q

_____________, caused by human activities like chemicals, heavy metals, plastics, sewage, and agricultural runoff, leads to degradation of water quality and ecosystem disruption.

A

Water Pollution

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2
Q

substances that contaminate water bodies through CHEMICAL REACTIONS or toxicity, posing risks to ecosystems, wildlife, and human health.

A

chemical pollutants

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3
Q

Living or once-living organisms that contaminate water and can harm ecosystems and human health. They include PATHOGENS, invasive species, and ORGANIC WASTE, which can lead to diseases, disrupt ecosystems,and affect water quality.

A

biological pollutants

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4
Q

Substances that affect the physical properties of water without necessarily causing a chemical reaction. These pollutants can alter WATER CLARITY, TEMPERATURE, and overall habitat conditions, making it less suitable for both aquatic life and human use.

A

Physical Pollutants

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5
Q

____________________

Human activities, such as ________________, can cause unnatural increases in water temperature in water bodies like rivers, lakes, and oceans, which are then discharged back into the environment.

A

Thermal Pollutants

industrial facilities

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6
Q

Sources of Water Pollution

A
  1. INDUSTRIAL
  2. AGRICULTURAL
  3. DOMESTIC
  4. MARINE DUMPING
  5. OIL SPILLS
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7
Q

discharge as heavy pollutants, metals, toxic chemicals, and hazardous substances, directly into rivers and lakes, leading to contamination of surface and groundwater.

A

Factories

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8
Q

__________________

Wastewater from there refineris often contains high levels of _____________, which lead to _______ depletion in aquatic ecosystems, harming marine life.

A

Oil Refinery

hydrocarbons, oxygen

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9
Q

______________ lead to acid mine drainage,where toxic metals and acidic water waste seep from into mine nearbyrivers and lakes. This runoffaffects water pH, making the environment inhospitable for aquatic organisms.

A

Mining Activities

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10
Q

_________________________

This can cause nutrient pollution, espicially with __________ and ___________, leading to algal blooms.

A

Runoff from Pesticides and Fertilizers

nitrogen, phosphorus

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11
Q

_________________

Waste from __________ farming is rich in ORGANIC MATTER and PATHOGENS. It increases the levels of harmful bacterias and viruses, creating health hazards for humans and animals.

A

animal waste from farms

livestock

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12
Q

contains organic matter, bacteria, and nutrients that can disrupt aquatic ecosystems. Improperly treated ___________ introduces high levels of bacteria and viruses into water sources, which poses health risks and can contaminate drinking water supplies

A

Household waste and sewage

sewage

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13
Q

DOMESTIC SOURCES
_______________

these chemicals can be toxic to aquaic life and disrupt the natural chemistry of water bodies, leading to detrimental effects on biodiversity.

A

improper disposal of chemicals

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14
Q

Marine Dumping

________________

This waste can harm marine organisms through ingestion, entanglement, and toxicity. ___________ are particularly harmful as they do not decompose and break down into microplastics

A

Disposal of waste in oceans

Plastics

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15
Q

The toxic components in oil can poison fish, birds, mammals, leading to significant loss of biodiverity and disrupting the food web.

A

effect of oil spills

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16
Q

What are the three effects of water pollution

A

human health
environmental impact
economic impact

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17
Q

caused by pathogens that are transmited through water

A

waterborne diseases

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18
Q

examples of waterborne diseases

A

cholera, leptospirosis

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19
Q

loss of livelihood is an ___________ impact of water pollution

A

economic

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20
Q
  • The law mandates proper WASTEWATER MANAGEMENT and regulates discharges into water bodies to maintain safe quality standards.
A

Clean Water Act of 2004 ( RA 9275)

21
Q

This regulation sets effluent standards for the discharge of pollutants from various INDUSTRIES into water bodies.

A

Revised Effluent Standards of 1990 ( DENR ADMINISTRATIVE ORDER NO. 35)

22
Q

play a critical role by filtering and treating wastewater before it re-enters natural water sources, removing a significant portionof contaminants.

A

wastewater treatment plants

23
Q

it offers a natural and promising solution byemploying microorganisms to break downpollutants.

A

bioremediation

24
Q

Types of Bioremediation

A

microbial (prokaryotes), bioaugmentation, biostimulation

25
Q

plays a significant role in water pollution mitigation by providing innovative solutions to treat contaminated water

A

nanotechnology

nanofiltration membrane

26
Q
  • focuses on creating eco-friendly chemicals that degrade safelyin water, minimizing long-term environmental impacts.
A

green chemistry

27
Q

What are the technologocal solutions in water pollution

A

wastewater treatment plants
bioremediation
nanotechnology
green chemistry

28
Q

What are the agricultural practices that helps prevent water pollution

A
  1. reducing chemical fertilizers and pesticides
  2. organic farming
29
Q

What are the global efforts to address water pollution

A
  1. UNITED NATIONS sustainable development goals (SDG 6: Clean Water and Sanitation)
  2. international organizations and partnerships
  3. role of climate change and water conservation
30
Q

Improve water quality byreducing pollution, eliminating dumping,and minimising the release of hazardouschemicals and materials.

A

Target 6.3 (SDG g of UN)

31
Q

Substantially increase wateruse efficiency across all sectors to addresswater scarcity.

A

Target 6.4 (SDG 6 of UN)

32
Q

Focuses on the health impacts of water pollution and promotes safewater and sanitation practices. The Organization connects nations,partners and communities to promotehealth and serve the vulnerable.

A

World Health Organization

33
Q

Leads global efforts to monitor and assess water quality, promotes sustainable water management,and coordinates international partnerships.

A

United Nations Environment Program

34
Q

Uses NUCLEAR and ISOTOPIC techniques to study water resources, detect pollutants, and develop water protection strategies.

A

International Atomic Energy Agency

35
Q

is any chemical, biological, or physical change in water quality that has a harmful effect on living organisms or that makes water unsuitable for desired uses

A

water pollution

36
Q

TYPES OF POLLUTANT

Bacteria, viruses, protozoa, and parasitic worm

A

infectious agents

37
Q

TYPES OF POLLUTANT

Organic waste such as animal manure and plant debris that can be decomposed by aerobic (oxygen-requiring) bacteria

A

oxygen-demanding waste

38
Q

TYPES OF POLLUTANTS

Water-soluble 1) acids, 2) compounds of toxic metals such as lead (Pb), arsenic (As), and selenium (Se), and 3) salts such as sodium chloride (NaCl) in ocean water and fluorides (F-) found in some soil

A

inorganic chemicals

39
Q

sOil, gasoline, plastics, pesticides, cleaning solvents, detergent

A

organic chemicals

40
Q

When a power plant first opens or shuts down for repair, fish and other organisms adapted to a particular temperature range can be killed by the abrupt change in water temperature- known as _____________.

A

thermal shock

41
Q

A subgroup of coliform bacteria that has high positive correlation with fecal contamination associated with all warm blooded animals. (PHILIPPINE STANDARDS FOR DRINKING WATER 1993

A

Thermotolerant coliform

42
Q

Diseases and illnesses that can be contracted in water with high fecal coliform counts include typhoid fever, ___________, gastroenteritis, ____________ and ear infections

A

hepatitis, dysentery

43
Q

This measures the amount of oxygen required or consumed for the MICROBIOLOGICAL DECOMPOSITION of organic material in water.

A

Biochemical oxygen demand in water bodies

44
Q

The presence of high _____________ may indicate faecal contamination or increases inparticulate and dissolved organic carbon from non-human and animal sources that can restrict water use and development, necessitate expensive treatment andimpair ecosystem healt

A

biochemical oxygen demand

45
Q

Water pollution affects fresh, marine, and groundwater resources of the country. Surface water quality can be assessed by using ______________ and ________________ as parameters.

A

Biochemical Oxygen Demand, and Dissolved Oxygen

46
Q

about ___% of the country’s population live along coastal areas andcontribute to discharge of untreated domestic and industrial wastewater frominland

A

60

47
Q

In the Philippines , ___ % of the river sampling points have been classified as public watersupply source

A

36

48
Q

In the Philippines, preliminary data indicate that up to ___% of groundwater intended fordrinking water supplies are contaminated with total _______ and would need treatment

A

58, coliform

49
Q

In the Philippines, ____ f illnesses for a five-year period was from water-related diseases

A

31%

ENVI SCIIIII FINAL TERM QUIZ 1 (5 decks)

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