This quiz works best with JavaScript enabled. Home > Science > Earth > Environmental Sciences – Quiz 663 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Environmental Sciences Quiz 663 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What conditions are developed in the aquatic ecosystem due to high levels of dissolved chlorides? A) Improved water clarity conditions. B) Enhanced biodiversity. C) Saline or brackish (salty) conditions. D) Reduced nutrient levels. Show Answer Correct Answer: C) Saline or brackish (salty) conditions. 2. A lack of water in an area is called ..... A) Water scarcity. B) Water footprint. Show Answer Correct Answer: A) Water scarcity. 3. Which process occurs inside the mitochondria of all eukaryotic cells, including plants and animals? A) Cellular Respiration. B) Photosynthesis. C) Chemosynthesis. D) None of above. Show Answer Correct Answer: A) Cellular Respiration. 4. Who created Earth Day? A) Sir John A. Macdonald. B) Gaylord Nelson. C) Ronald Mcdonald. D) Brothers Grimm. Show Answer Correct Answer: B) Gaylord Nelson. 5. Which two polutants cause the greatest risks to human health? are these primary or secondary pollutants? A) Troposphere-secondary, mesosphere-primary. B) Ozone-primary, particulates-secondary. C) Ozone-secondary, particulates-primary. D) None of above. Show Answer Correct Answer: C) Ozone-secondary, particulates-primary. 6. Which layer of the Earth is divided into tectonic plates? A) Inner core. B) Mesosphere. C) Lithosphere. D) Hydrosphere. Show Answer Correct Answer: C) Lithosphere. 7. What has to happen to rocks in order for them to transform into Metamorphic rocks? A) Heat and pressure. B) Cooling and hardening. C) Compaction and cementation. D) None of above. Show Answer Correct Answer: A) Heat and pressure. 8. What cause water pollution? A) People dump things in the countryside. B) Factories produce too much waste water and oil. C) Factories produce good products. D) Factories produce too much smoke. Show Answer Correct Answer: B) Factories produce too much waste water and oil. 9. Phosphorus cycles through the Earth"s ecosystems A) Extremely quickly. B) Very slowly. C) Only when activated by human activity. D) Quickly when humans burn large amounts of fossil fuels. Show Answer Correct Answer: B) Very slowly. 10. Person earns the respect and cooperation of employees to accomplish the organization's work. A) Dictator. B) Dog trainer. C) Weirdo. D) Leader. Show Answer Correct Answer: D) Leader. 11. Which type of environmental scientist is likely to study the interactions of gorillas? A) Hydrologist. B) Toxicologist. C) Environmental Veterinarian. D) Ecologist. Show Answer Correct Answer: D) Ecologist. 12. Which is a major cause of permanent habitat destruction due to human impact? A) A cause is forest fires caused by lightning strikes. B) A cause is forest fires caused by accidents. C) A cause is clearing land to grow food and build businesses and homes. D) A cause is overhunting a species to extinction. Show Answer Correct Answer: C) A cause is clearing land to grow food and build businesses and homes. 13. Which of the following is a level of government which takes part in regulation and legislation? A) Regional. B) Provincial. C) State. D) City. Show Answer Correct Answer: C) State. 14. A bird that eats food particles from a crocodile's teeth; thereby cleaning the crocs teeth is an example of ..... A) Commensalism. B) Parasitism. C) Predation. D) Mutualism. Show Answer Correct Answer: D) Mutualism. 15. This is where you'll find most of a the DNA in a eukaryotic cell A) Mitochondrion. B) Nucleolus. C) Golgi apparatus. D) Nucleus. E) Choanocyte. Show Answer Correct Answer: D) Nucleus. 16. What role does the ocean play in the Carbon Cycle? A) The ocean acts as a carbon sink, holding much more carbon than the atmosphere. B) The ocean acts as a carbon source, producing more carbon than any other component. C) The ocean acts as a carbon pit stop, transferring carbon to organisms within the ocean. D) The ocean acts as a carbon magnet, attracting components that produce a lot of carbon. Show Answer Correct Answer: A) The ocean acts as a carbon sink, holding much more carbon than the atmosphere. 17. Carbon monoxide, chloroform, formaldehyde, and asbestos are found in us homes A) True. B) False. Show Answer Correct Answer: A) True. 18. Earth's innermost compositional layer A) Deep zone. B) Core. C) World ocean. D) None of above. Show Answer Correct Answer: B) Core. 19. Have definite volume but not shape A) Solids. B) Liquids. C) Gases. D) Freedom. Show Answer Correct Answer: B) Liquids. 20. This is where water evaporates from solid objects like plants, mountains or clouds in the ground. A) Evaporation. B) Condensation. C) Precipitation. D) Transpiration. Show Answer Correct Answer: D) Transpiration. ← PreviousNext →Related QuizzesScience 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 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books