Environment & Ecology Quiz

Environment & Ecology · Medium

20 questions · Unlimited attempts · Free online practice

The natural world is a complex web of life where every organism, from tiny insects to towering trees, plays an important role. Environment and ecology help us understand how living...

Playing as a guest

You can play free without an account. Create one to save scores and resume later.

Create account Log in Continue as guest

All 20 questions in this Environment & Ecology quiz

Which of these is a 'Non-Point Source' of pollution?
- A. A specific factory pipe dumping chemicals
- B. A leaking underground oil tank
- C. Agricultural runoff from many different farms in a region
- D. A single sewage treatment plant
Which phenomenon describes the warming of the Earth's surface that occurs when urban areas replace natural land cover with dense concentrations of pavement and buildings?
- A. Global Warming
- B. Albedo Effect
- C. Urban Heat Island Effect
- D. Desertification
Which of the following is considered an 'Indicator Species' because its presence or health reflects the overall condition of its environment?
- A. Common Cockroach
- B. Lichens
- C. Domestic Cat
- D. Pigeons
Which term refers to the variety of genes within a single population or species?
- A. Species Diversity
- B. Ecosystem Diversity
- C. Genetic Diversity
- D. Taxonomic Diversity
Which type of species is specifically native to a single geographic location and found nowhere else in the wild?
- A. Exotic species
- B. Endemic species
- C. Pioneer species
- D. Generalist species
What is 'Bioremediation'?
- A. The use of technology to build better parks
- B. The use of living organisms like bacteria or fungi to break down or remove environmental pollutants
- C. A way to grow food in zero gravity
- D. The study of how animals heal themselves
Which gas causes global warming?
- A. Nitrogen
- B. CO2
- C. Helium
- D. Oxygen
Which of these is a 'Point Source' of water pollution?
- A. Oil and grease from city streets
- B. Runoff from a large parking lot
- C. A specific discharge pipe from a chemical plant
- D. Fertilizer from residential lawns
What term describes a species that has a disproportionately large effect on its natural environment relative to its abundance, such as the sea otter or the gray wolf?
- A. Invasive species
- B. Endemic species
- C. Keystone species
- D. Indicator species
What is the name of the process by which some bacteria convert nitrates back into atmospheric nitrogen gas, completing the nitrogen cycle?
- A. Nitrification
- B. Ammonification
- C. Denitrification
- D. Nitrogen Fixation
What is the name of the process where barren rock or land with no soil is slowly colonized by living organisms for the first time?
- A. Secondary Succession
- B. Primary Succession
- C. Reforestation
- D. Habitat Fragmentation
What is the primary goal of the Paris Agreement?
- A. Health
- B. Education
- C. Trade
- D. Climate change
What is the term for a symbiotic relationship where one species benefits while the other is neither helped nor harmed?
- A. Mutualism
- B. Parasitism
- C. Commensalism
- D. Competition
Which level of the ocean is known as the 'Sunlight Zone' where 90% of all marine life lives?
- A. The Bathypelagic Zone
- B. The Epipelagic Zone
- C. The Abyssopelagic Zone
- D. The Hadal Zone
Which of these is a major environmental benefit of 'Vertical Farming' in urban areas?
- A. It uses more pesticides
- B. It significan'tly reduces the 'food miles' and water usage required to grow produce
- C. It requires more land than traditional farming
- D. It only works during the summer
What is the main component of smog?
- A. Oxygen
- B. Helium
- C. Ground-level ozone
- D. Nitrogen
Which layer of permanently frozen ground in the Arctic contains twice as much carbon as is currently in the Earth's atmosphere?
- A. Magma
- B. Bedrock
- C. Permafrost
- D. Humus
What is the primary cause of ocean acidification, which threatens the survival of coral reefs and shellfish?
- A. Oil spills
- B. Overfishing
- C. Absorption of atmospheric carbon dioxide
- D. Plastic pollution
What is the term for the maximum population size of a species that an environment can sustain indefinitely without degrading the habitat?
- A. Biotic Potential
- B. Exponential Growth
- C. Carrying Capacity
- D. Niche
What is the primary role of nitrogen-fixing bacteria in the nitrogen cycle?
- A. Converting nitrates into atmospheric nitrogen gas
- B. Converting atmospheric nitrogen into ammonia or other nitrogen compounds
- C. Breaking down animal waste into urea
- D. Releasing oxygen into the soil through anaerobic respiration

Environment & Ecology Quiz

Environment & Ecology · Medium

Time is up! Quiz Complete!

Which of these is a 'Non-Point Source' of pollution?

Which phenomenon describes the warming of the Earth's surface that occurs when urban areas replace natural land cover with dense concentrations of pavement and buildings?

Which of the following is considered an 'Indicator Species' because its presence or health reflects the overall condition of its environment?

Which term refers to the variety of genes within a single population or species?

Which type of species is specifically native to a single geographic location and found nowhere else in the wild?

What is 'Bioremediation'?

Which gas causes global warming?

Which of these is a 'Point Source' of water pollution?

What term describes a species that has a disproportionately large effect on its natural environment relative to its abundance, such as the sea otter or the gray wolf?

What is the name of the process by which some bacteria convert nitrates back into atmospheric nitrogen gas, completing the nitrogen cycle?

What is the name of the process where barren rock or land with no soil is slowly colonized by living organisms for the first time?

What is the primary goal of the Paris Agreement?

What is the term for a symbiotic relationship where one species benefits while the other is neither helped nor harmed?

Which level of the ocean is known as the 'Sunlight Zone' where 90% of all marine life lives?

Which of these is a major environmental benefit of 'Vertical Farming' in urban areas?

What is the main component of smog?

Which layer of permanently frozen ground in the Arctic contains twice as much carbon as is currently in the Earth's atmosphere?

What is the primary cause of ocean acidification, which threatens the survival of coral reefs and shellfish?

What is the term for the maximum population size of a species that an environment can sustain indefinitely without degrading the habitat?

What is the primary role of nitrogen-fixing bacteria in the nitrogen cycle?