This quiz works best with JavaScript enabled. Home > Science > Earth > Environmental Sciences – Quiz 230 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Environmental Sciences Quiz 230 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The conversion of light energy, water and carbon dioxide into glucose and oxygen. A) Photosynthesis. B) Nitrogen Fixation. C) The Phosphorus Cycle. D) The Water Cycle. Show Answer Correct Answer: A) Photosynthesis. 2. Which laws work to prevent water pollution? A) Clean Air Act. B) Resource Conservation and Recovery Act (RCRA). C) Clean Water Act. D) Endangered Species Act. Show Answer Correct Answer: C) Clean Water Act. 3. The place where an organism lives within an ecosystem is its- A) Habitat. B) Niche. C) Biome. D) Ecosystem. Show Answer Correct Answer: A) Habitat. 4. What is the process by which plants make their own food in the presence of sunlight? A) Respiration. B) Digestion. C) Photosynthesis. D) Fermentation. Show Answer Correct Answer: C) Photosynthesis. 5. What chemical hazard do children often get tested for because of paint and pipes in buildings? A) Lead poisoning. B) Carbon monoxide poisoning. C) Asbestos exposure. D) Mercury poisoning. Show Answer Correct Answer: A) Lead poisoning. 6. A remora is attaching itself to a shark for a free ride and to eat the scraps dropped by the shark without affecting the shark is an example of ..... A) Mutualism. B) Parasitism. C) Predation. D) Commensalism. Show Answer Correct Answer: D) Commensalism. 7. The biggest taxonomy category, and is the most inclusive. A) Domain. B) Kingdom. C) Species. D) Genus. E) Class. Show Answer Correct Answer: A) Domain. 8. Using the law of supply and demand, if the oil supply declined, but the demand stayed the same: A) Oil prices would drop. B) Oil prices would increase. C) Oil usage would drop. D) Oil usage would increase. Show Answer Correct Answer: B) Oil prices would increase. 9. Theory or Law? Is a DESCRIPTION of what a scientists expects to happen every time under a certain set of conditions. A) Law. B) Theory. Show Answer Correct Answer: A) Law. 10. A hippo has no natural predators. It would be considered a(n) A) Primary producer. B) Primary consumer. C) Secondary consumer. D) Tertiary consumer. E) Apex predator. Show Answer Correct Answer: E) Apex predator. 11. The number of organisms ..... with each successive (higher) trophic level. A) Increases. B) Decreases. Show Answer Correct Answer: B) Decreases. 12. What is gray water? A) Wastewater from all sources except toilets. B) Toilet water. C) Purified water. D) Spring water. Show Answer Correct Answer: A) Wastewater from all sources except toilets. 13. Which is NOT an example of effects humans are having on wetlands A) Growing more trees. B) Draining for farmland. C) Clearing for housing. D) Using for landfills. Show Answer Correct Answer: A) Growing more trees. 14. A scientific law is? A) A well-tested and widely accepted explanation of a phenomenon. B) A well-tested and widely accepted description of a law. C) A well-tested and widely accepted description of an observation. D) A well-tested and widely accepted explanation of a law. Show Answer Correct Answer: C) A well-tested and widely accepted description of an observation. 15. Countries that have lower average income, higher population growth rates, and mainly agricultural economies are A) Developed. B) Developing. Show Answer Correct Answer: B) Developing. 16. Choose the correct statement about feedback loops: A) Negative feedback loops destabilize a system and are rare in natural systems. B) Negative feedback loops stabilize a system and are rare in natural systems. C) Positive feedback loops destabilize a system and are rare in natural systems. D) Positive feedback loops destabilize a system and are common in natural systems. Show Answer Correct Answer: C) Positive feedback loops destabilize a system and are rare in natural systems. 17. How would you write 4.3756 x 104 in standard form? A) 437, 560, 000. B) 0.00043756. C) 43, 756. D) 4, 3756. Show Answer Correct Answer: C) 43, 756. 18. If waste materials contaminate the source of drinking water which of the following diseases will spread? A) Scurvy. B) Typhoid. C) Malaria. D) Dengue. Show Answer Correct Answer: B) Typhoid. 19. A scientist makes a graph showing population growth rates for the future of 10 countries. Which is a necessary source of error in his graph? A) Population growth differs from one country to another. B) Scientists often disagree with one another. C) No one can predict future trends accurately. D) The countries he chose may not be the best for his purpose. Show Answer Correct Answer: C) No one can predict future trends accurately. 20. In which biogeochemical cycles are humans most affecting the natural greenhouse affect? A) Carbon, Nitrogen, and Water cycles. B) Carbon and Phosphorous cycles. C) Phosphorus and Nitrogen cycles. D) Sulfur and Nitrogen cycles. E) Sulfur and Water cycles. Show Answer Correct Answer: A) Carbon, Nitrogen, and Water cycles. ← 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