This quiz works best with JavaScript enabled. Home > Science > Environmental Sciences – Quiz 284 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Environmental Sciences Quiz 284 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. This what protects Earth from harmful solar radiation A) Methane. B) Ozone layer. C) Fossil fuels. D) Volcanoes. Show Answer Correct Answer: B) Ozone layer. 2. The study of behavior-good/bad or right/wrong is called ..... A) Ethics. B) Culture. C) Worldview. D) Interpretations. Show Answer Correct Answer: A) Ethics. 3. When a community is stable with little to no change, what level of ecological succession is taking place? A) Primary succession. B) Secondary succession. C) Tertiary succession. D) Climax community. Show Answer Correct Answer: D) Climax community. 4. ..... :groups of trees which exhibit uniformity in size, age, structure and arrangement. A) Pre-commercial thinning. B) Prescribed burns. C) Silviculture. D) Stands. Show Answer Correct Answer: D) Stands. 5. It is the smallest unit of matter that retains all of the chemical properties of an element. A) Element. B) Molecule. C) Nucleus. D) Atom. Show Answer Correct Answer: D) Atom. 6. The worm grew by 2 centimetres. A) Qualitative. B) Quantitative. Show Answer Correct Answer: B) Quantitative. 7. Which zone of an aquatic ecosystem tend to have more life-both producers and consumers? A) Aphotic zone. B) Photic zone. C) Benthic zone. D) All have roughly the same amount of life. Show Answer Correct Answer: B) Photic zone. 8. During the period of human history known as the ....., human populationsgrew rapidly because of advances in farming methods. A) Industrial revolution. B) Agricultural revolution. C) Tragedy of the commons. D) Hunter-gatherer period. Show Answer Correct Answer: B) Agricultural revolution. 9. The average salinity of seawater by weight is A) .35 percent. B) 3.5 percent. C) 35 percent. D) None of these. Show Answer Correct Answer: B) 3.5 percent. 10. Is the following concept true or false? "Contaminants are chemical substances, physical and biological factors that when present in the environment are higher than the allowed threshold, causing the environment to be polluted." A) Correct. B) Sai. Show Answer Correct Answer: A) Correct. 11. Air pollution is a consequence of fossil fuel burning by motor vehicles, factories, aircraft and rockets. A) Product. B) Example. C) Harm. D) Result. Show Answer Correct Answer: D) Result. 12. Frank has researched how solar technology can help save energy. Which group should Frank approach to share his findings? A) SERI/NREL. B) IPCC. C) EPA. D) NOAA. Show Answer Correct Answer: A) SERI/NREL. 13. The NOAA is A) Environmental protection agency. B) Department of energy. C) National Oceanic and atmospheric administration. D) United states geological survey. Show Answer Correct Answer: C) National Oceanic and atmospheric administration. 14. Which of these phenomenon is not directly cased by plate tectonics A) Volcanic eruptions. B) Earthquakes. C) Tsunamis. D) Landslides. Show Answer Correct Answer: D) Landslides. 15. Which of the following are nonrenewable resources: A) Fossil Fuels. B) Trees. C) Pollution. D) All of the above. Show Answer Correct Answer: A) Fossil Fuels. 16. Which country releases the greatest quantity of carbon dioxide into the atmosphere overall? A) China. B) The USA. C) Russia. D) Germany. Show Answer Correct Answer: A) China. 17. Which of the following is a Nitrate? A) Type. B) Storm. C) Na. D) Nah. Show Answer Correct Answer: A) Type. 18. What is the 5th step in the treatment of urban/suburban wastewater? A) Raw sewage is collected. B) Solid objects are removed with screens. C) A primary clarifier removes oils, greases, and solids. D) A secondary clarifier removes remaining oils, greases, and solids. Show Answer Correct Answer: D) A secondary clarifier removes remaining oils, greases, and solids. 19. As nutritional energy passes trough the food chain, energy ..... A) Is lost as heat. B) Is gained as heat. C) Remains constant. D) Increases, then decreases. Show Answer Correct Answer: A) Is lost as heat. 20. What is the beginning of all food chains or webs? A) The moon. B) Primary consumers. C) The sun. D) Secondary consumers. Show Answer Correct Answer: C) The sun. ← 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