This quiz works best with JavaScript enabled. Home > Science > Environmental Sciences – Quiz 365 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Environmental Sciences Quiz 365 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. A species when the very last individual dies A) Keystone species. B) Exotic species. C) Extinct species. D) Endangered species. E) Threatened species. Show Answer Correct Answer: C) Extinct species. 2. Which organism lives in coral, making coral reefs living and dead at the same time? A) Plankton. B) Whales. C) Algae. D) Jellyfish. Show Answer Correct Answer: C) Algae. 3. When we discuss greenhouse gases what is the main one we discuss? A) Methane (CH4). B) Carbon Dioxide (CO2). C) Nitrous oxide (N2O). D) Flourinated gases. Show Answer Correct Answer: B) Carbon Dioxide (CO2). 4. Vertebrates are organisms that have A) No backbone. B) A backbone. C) No skeletal structure. D) An exoskeleton. Show Answer Correct Answer: B) A backbone. 5. What is the second step in the treatment of wastewater in a septic system? A) Bacteria begins to break down wastes. B) Dense wastes sink to bottom and sludge is pumped out. C) Less dense wastes build up at the top of the tank. D) Water travels through gravel field. Show Answer Correct Answer: B) Dense wastes sink to bottom and sludge is pumped out. 6. What is a REACTIVE method to climate change? A) Predicting the impacts of climate change. B) Responding to the impacts of climate change after they have occurred. C) Adapting to the impacts of climate change before they occur. D) Ignoring the impacts of climate change. Show Answer Correct Answer: B) Responding to the impacts of climate change after they have occurred. 7. A metallic element that can cause brain damage A) Lead. B) Particulate matter. C) Ground-level ozone. D) Nitrogen oxides. Show Answer Correct Answer: A) Lead. 8. The central core of very atom, containing particles called protons and neutrons, is called a(n) A) Electron. B) Bond. C) Nucleus. D) Compound. Show Answer Correct Answer: C) Nucleus. 9. Which of the following is NOT an example of a criteria pollutant? A) Fine & coarse particulate matter. B) Sulfur dioxide. C) Nitrogen dioxide. D) CFCs. Show Answer Correct Answer: D) CFCs. 10. Biocentric ethics is concerned with A) Species numbers and their extinction. B) Rights of nature or species equivalence. C) Rights of animals. D) Factors that may facilitate extinction of a species. Show Answer Correct Answer: B) Rights of nature or species equivalence. 11. During which revolution did the production of machinery allow for advances in medicine, agriculture, and other technologies? A) Industrial. B) Agricultural. C) Hunter-Gatherer. D) Economical. Show Answer Correct Answer: A) Industrial. 12. ..... is located in the troposphere. A) Exosphere. B) Ionosphere. C) The ozone layer. D) Weather. Show Answer Correct Answer: D) Weather. 13. Which of the Earth's atmosphere layers is home to Earth's "ozone layer" A) Thermosphere. B) Stratosphere. C) Mesosphere. D) None of above. Show Answer Correct Answer: B) Stratosphere. 14. Precipitation that can carry pollutants from land into bodies of water A) Runoff. B) Marsh. C) Swamp. D) Arctic. Show Answer Correct Answer: A) Runoff. 15. Which of these layers is the largest? A) Lithosphere. B) Asthenosphere. C) Outer core. D) Mantle. Show Answer Correct Answer: D) Mantle. 16. Water is cooler than usual in the eastern Pacific Ocean A) The boy. B) The girl. C) DNA damage. D) Prevailing winds. Show Answer Correct Answer: B) The girl. 17. Loggers should replant trees after removing them for economic gain A) True. B) False. Show Answer Correct Answer: A) True. 18. Sick building syndrome A) Occurs most often in old buildings. B) Is a primary cause of lung cancer. C) Is a result of off-gassing. D) Can be prevented by renovations. E) Occurs most often in wet tropical areas. Show Answer Correct Answer: C) Is a result of off-gassing. 19. What is the percentage of nitrogen gas in the air? A) 1%. B) 0.03%. C) 20%. D) 78%. Show Answer Correct Answer: D) 78%. 20. When heating a solution in a test tube, a student should- A) Wear safety goggles. B) Look in the opening of the test tube. C) Hold the test tube at its opening with at least two fingers. D) Keep the test tube closed with a rubber stopper. Show Answer Correct Answer: A) Wear safety goggles. ← 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