WATER POLLUTION

Question 1

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

Answer 1

Water Pollution

Question 2

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

Answer 2

chemical pollutants

Question 3

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.

Answer 3

biological pollutants

Question 4

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.

Answer 4

Physical Pollutants

Question 5

____________________

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.

Answer 5

Thermal Pollutants

industrial facilities

Question 6

Sources of Water Pollution

Answer 6

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

Question 7

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

Answer 7

Factories

Question 8

__________________

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

Answer 8

Oil Refinery

hydrocarbons, oxygen

Question 9

______________ 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.

Answer 9

Mining Activities

Question 10

_________________________

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

Answer 10

Runoff from Pesticides and Fertilizers

nitrogen, phosphorus

Question 11

_________________

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.

Answer 11

animal waste from farms

livestock

Question 12

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

Answer 12

Household waste and sewage

sewage

Question 13

DOMESTIC SOURCES
_______________

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

Answer 13

improper disposal of chemicals

Question 14

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

Answer 14

Disposal of waste in oceans

Plastics

Question 15

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

Answer 15

effect of oil spills

Question 16

What are the three effects of water pollution

Answer 16

human health
environmental impact
economic impact

Question 17

caused by pathogens that are transmited through water

Answer 17

waterborne diseases

Question 18

examples of waterborne diseases

Answer 18

cholera, leptospirosis

Question 19

loss of livelihood is an ___________ impact of water pollution

Answer 19

economic

Question 20

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

Answer 20

Clean Water Act of 2004 ( RA 9275)

Question 21

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

Answer 21

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

Question 22

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

Answer 22

wastewater treatment plants

Question 23

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

Answer 23

bioremediation

Question 24

Types of Bioremediation

Answer 24

microbial (prokaryotes), bioaugmentation, biostimulation

Question 25

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

Answer 25

nanotechnology nanofiltration membrane

Question 26

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

Answer 26

green chemistry

Question 27

What are the technologocal solutions in water pollution

Answer 27

wastewater treatment plants bioremediation nanotechnology green chemistry

Question 28

What are the agricultural practices that helps prevent water pollution

Answer 28

1. reducing chemical fertilizers and pesticides 2. organic farming

Question 29

What are the global efforts to address water pollution

Answer 29

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

Question 30

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

Answer 30

Target 6.3 (SDG g of UN)

Question 31

Substantially increase wateruse efficiency across all sectors to addresswater scarcity.

Answer 31

Target 6.4 (SDG 6 of UN)

Question 32

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.

Answer 32

World Health Organization

Question 33

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

Answer 33

United Nations Environment Program

Question 34

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

Answer 34

International Atomic Energy Agency

Question 35

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

Answer 35

water pollution

Question 36

TYPES OF POLLUTANT Bacteria, viruses, protozoa, and parasitic worm

Answer 36

infectious agents

Question 37

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

Answer 37

oxygen-demanding waste

Question 38

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

Answer 38

inorganic chemicals

Question 39

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

Answer 39

organic chemicals

Question 40

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 _____________.

Answer 40

thermal shock

Question 41

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

Answer 41

Thermotolerant coliform

Question 42

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

Answer 42

hepatitis, dysentery

Question 43

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

Answer 43

Biochemical oxygen demand in water bodies

Question 44

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

Answer 44

biochemical oxygen demand

Question 45

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

Answer 45

Biochemical Oxygen Demand, and Dissolved Oxygen

Question 46

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

Answer 46

60

Question 47

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

Answer 47

36

Question 48

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

Answer 48

58, coliform

Question 49

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

Answer 49

31%