This quiz works best with JavaScript enabled. Home > Science > Environmental Sciences – Quiz 555 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Environmental Sciences Quiz 555 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. At the equator, Earth spins at a rate of about 1670 kilometers per hour. Thecircumference of Earth at the equator is about 40, 000 kilometers. About how longdoes it take Earth to make one complete rotation on its axis at the equator? A) ) 12 Hours. B) ) 24 Hours. C) ) 29.5 Days. D) ) 365 Days. Show Answer Correct Answer: B) ) 24 Hours. 2. What causes ocean trenches to form? A) Meteor impact. B) Subduction. C) Volcanic eruptions. D) Global warming. Show Answer Correct Answer: B) Subduction. 3. Strontium-90 has a half-life of 29 years. If a site held 2000 kg of this isotope, approximately what mass of Strontium-90 would be left after 116 years? A) 1000 kg. B) 500 kg. C) 250 kg. D) 125 kg. Show Answer Correct Answer: D) 125 kg. 4. Photosynthesis and ..... are important processes in the carbon-oxygen cycle. A) Transpiration. B) Respiration. C) Evaporation. D) Water cycle. Show Answer Correct Answer: B) Respiration. 5. Species that normally lives and thrives in a particular area. A) Keystone species. B) Endangered species. C) Native species. D) Indicator species. E) Extinct species. Show Answer Correct Answer: C) Native species. 6. ..... is a tool that helps us create cost-effective ways to protect our health and the environment A) Supply and Demand. B) Cost Benefit Analysis. C) Tragedy of the Commons. D) Risk Assessment. Show Answer Correct Answer: D) Risk Assessment. 7. Which of the following is not present in the air. A) Ice. B) Germs. C) Smoke. D) None of above. Show Answer Correct Answer: A) Ice. 8. A carbon-containing fuel formed over millions of years from the remains of living things is called ..... A) Biodiversity. B) Environment. C) Fossil Fuel. D) Sustainability. Show Answer Correct Answer: C) Fossil Fuel. 9. When solar energy reaches Earth, it is in the form of A) Infrared radiation only. B) Visible light only. C) Ultraviolet light only. D) All of these. Show Answer Correct Answer: D) All of these. 10. Dark, cooler than average regions on the Sun's surface are known as ..... A) Sunspots. B) Radiation spots. C) Black holes. D) None of above. Show Answer Correct Answer: A) Sunspots. 11. What does an eco-footprint represent? A) How much water we use. B) How many trees we cut. C) How much food we consume. D) How much of the environment we use to support our lifestyles. Show Answer Correct Answer: D) How much of the environment we use to support our lifestyles. 12. Which is true of parasitism? A) The presence of a parasite does not affect the host. B) Parasitism is identical to predation. C) The presence of a parasite may make an organism more susceptible to predation. D) Parasitism is cooperative. Show Answer Correct Answer: C) The presence of a parasite may make an organism more susceptible to predation. 13. The ..... is how an organism makes it's living. A) Work. B) Habitat. C) Niche. D) Range. Show Answer Correct Answer: C) Niche. 14. What is the primary pollutant responsible for the secondary pollutant acid rain? A) Sulfur dioxide. B) Natural gas. C) All greenhouse gases. D) Chlorofluorocarbons (CFCs). Show Answer Correct Answer: A) Sulfur dioxide. 15. The amount of oxygen in the water, measured in parts per million (ppm) A) PH. B) Dissolved Oxygen. C) Nitrates. D) Eutrophication. Show Answer Correct Answer: B) Dissolved Oxygen. 16. A hole dug or drilled into the ground to provide a supply of water. A) Watershed. B) Desalination. C) Groundwater. D) Well. Show Answer Correct Answer: D) Well. 17. The ability of ecosystem to provide the necessities to allow an ecosystem to function. A) Provisioning. B) Cultural. C) Regulating. D) Supporting. Show Answer Correct Answer: D) Supporting. 18. Selects only favorable discoveries A) Science. B) Pseudoscience. Show Answer Correct Answer: B) Pseudoscience. 19. What type of correlation is shown in the graph? A) Positive correlation. B) Negative correlation. C) No correlation. D) Scatter correlation. Show Answer Correct Answer: B) Negative correlation. 20. .... a noise, I turned around. A) Hear. B) Hearing. C) Heard. D) Being heard. Show Answer Correct Answer: B) Hearing. ← PreviousNext →Related QuizzesEnvironmental Sciences Quiz 1Environmental Sciences Quiz 2Environmental Sciences Quiz 3Environmental Sciences Quiz 4Environmental Sciences Quiz 5Environmental Sciences Quiz 6Environmental Sciences Quiz 7Environmental Sciences Quiz 8Environmental Sciences Quiz 9Environmental Sciences Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books