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Grade 12 Quizzes, Questions & Answers

Recent Grade 12 Quizzes

Water Quality Quiz: What's Living in Your Water?

Questions: 15 | Attempts: 14 | Last updated: Mar 20, 2026

Sample Question
What is a microbial indicator organism in the context of water quality monitoring?

A pathogen directly responsible for causing waterborne disease that is measured in drinking water

A microorganism whose presence in water indicates fecal contamination and the potential presence of enteric pathogens, even when those pathogens are not directly detected

A microorganism that produces toxins measurable by standard chemical water analysis

A type of algae whose growth rate indicates nutrient enrichment in surface water

Bioremediation Quiz: Can Microbes Clean Up Our Mess?

Questions: 15 | Attempts: 12 | Last updated: Mar 20, 2026

Sample Question
What is bioremediation?

The physical removal of contaminated soil using excavation equipment

The use of living organisms, primarily microorganisms, to break down or neutralize environmental pollutants and restore contaminated ecosystems to a healthier state

A chemical treatment method that uses strong acids to dissolve oil and heavy metals in soil

The process of diluting pollutants in water bodies until they reach safe concentration levels

Entrepreneurship Marketing Test Exam Quiz

Questions: 23 | Attempts: 13 | Last updated: Mar 19, 2026

Sample Question
What is marketing?

Hiring employees

Promoting and selling products

Producing goods

Managing workers

Don Quixote and Ocean Waves Quiz

Questions: 26 | Attempts: 11 | Last updated: Mar 19, 2026

Exploring the Biology of Aging and Longevity Advances

Questions: 28 | Attempts: 10 | Last updated: Mar 19, 2026

Sample Question
What is the primary focus of biogerontology?

Study of aging from a biological perspective

Research on infectious diseases

Analysis of genetic mutations

Investigation of environmental impacts on health

Contemporary Art and National Artists of the Philippines

Questions: 28 | Attempts: 13 | Last updated: Mar 19, 2026

Sample Question
What is contemporary art primarily characterized by?

Focus on human figures

Emphasis on landscapes

Newest forms of art from late 20th century to present

Strict adherence to traditional techniques

Drainage Basin Mapping Quiz: GIS Meets Hydrology

Questions: 15 | Attempts: 10 | Last updated: Mar 19, 2026

Sample Question
What is a Digital Elevation Model, and how is it used in geospatial watershed analysis?

A physical three-dimensional scale model of a drainage basin built from clay or foam

A gridded digital dataset representing the elevation of the Earth's surface, used in geographic information systems to automatically delineate watershed boundaries and model drainage networks

A satellite image showing land cover and vegetation types across a drainage basin

A database of stream gauge measurements used to calculate river discharge

Watershed Management Quiz: Protecting Water at Every Scale

Questions: 15 | Attempts: 11 | Last updated: Mar 19, 2026

Sample Question
What is integrated watershed management?

A method of managing a single river channel to prevent flooding

A holistic approach that coordinates land use, water resource management, and ecosystem protection across an entire drainage basin to achieve sustainable water quality and supply outcomes

A government program that restricts all human activity within a watershed boundary

A system of underground pipes designed to redirect water between watersheds

Riparian Buffer Quiz: The Science of Streamside Protection

Questions: 15 | Attempts: 12 | Last updated: Mar 19, 2026

Sample Question
What is a riparian buffer?

A concrete wall built along riverbanks to prevent flooding

A vegetated zone of trees, shrubs, and grasses maintained along stream and river banks to filter runoff and protect water quality

A type of underground filter system installed beneath agricultural fields

A deep zone of still water found along the outer bend of a river

Sinkhole Formation Quiz: When the Ground Gives Way

Questions: 15 | Attempts: 14 | Last updated: Mar 19, 2026

Sample Question
What defines a karst landscape in hydrology and geomorphology?

A landscape formed by volcanic activity and lava flows

A terrain shaped primarily by the dissolution of soluble rocks such as limestone, dolomite, and gypsum, creating distinctive surface and subsurface features

A coastal landscape shaped by wave erosion and sediment deposition

A landscape dominated by sand dunes formed by wind erosion

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