This quiz works best with JavaScript enabled. Home > Science > Environmental Sciences – Quiz 525 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Environmental Sciences Quiz 525 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Why is the increase in greenhouse gasses an issue A) It causes climate change and increase in the global temperature. B) It can lead to a major increase in greenhouses. C) It leads to more factories. D) It causes a moajor decrease in people. Show Answer Correct Answer: A) It causes climate change and increase in the global temperature. 2. What type of growth is the human population experiencing today? A) Exponential growth. B) Zero population growth. C) Slight decreases in growth. D) Slight increases in growth. Show Answer Correct Answer: A) Exponential growth. 3. When people began to grow crops, raise domestic animals, and live in villages A) Hunter-gatherer. B) Agricultural revolution. C) Industrial revolution. D) Farming revolution. Show Answer Correct Answer: B) Agricultural revolution. 4. In 2000, the level of ammonia in a river was 63ppm. In 2004, the level was 112ppm. what is the percent increase since 2000? A) 77%. B) 0.77%. C) -77%. D) -0.77%. Show Answer Correct Answer: A) 77%. 5. In December 1970, EPA Agency officially opened in D.C. A) True. B) False. C) I do not know. D) All of the above. Show Answer Correct Answer: A) True. 6. In a negative feedback loop, each action creates a consequence that ..... the other action. A) Decreases. B) Has no effect on. C) Amplifies. D) None of above. Show Answer Correct Answer: A) Decreases. 7. Pest populations that damage plants A) Breed more slowly in hot climates. B) Include only insects and small rodents. C) Attack wild plants with greater success than crops. D) Become resistant to pesticides via natural selection tagsSEV4. Show Answer Correct Answer: D) Become resistant to pesticides via natural selection tagsSEV4. 8. Which aquatic ecosystem is adversely affected by runoff? A) Rivers. B) Oceans. C) Estuaries. D) All of the above. Show Answer Correct Answer: D) All of the above. 9. Number of organisms per unit area/volume A) Carrying capacity. B) Limiting factor. C) Total population. D) Population density. Show Answer Correct Answer: D) Population density. 10. Fill in the missing phrase in the concept below: "..... is material emitted from production, business, services, living or other activities" A) Pollution factor. B) Hazardous waste. C) Waste. D) Pollutant. Show Answer Correct Answer: C) Waste. 11. A glacier is ..... A) A large river that slowly flows towards the ocean. B) A cave inside a mountain that contains stalactites and stalagmites. C) A large body of ice that does not move across the earth's surface. D) A large body of ice and snow that slowly moves towards the ocean. Show Answer Correct Answer: D) A large body of ice and snow that slowly moves towards the ocean. 12. It is a vast desert ecosystem, important for its unique plant and animal species. A) Sahara Desert. B) Arabian Desert. C) Atacama Desert. D) Gobi Desert. Show Answer Correct Answer: D) Gobi Desert. 13. Sea otters eat sea urchins and prevent them from eating all of the kelp. This kelp provides food and shelter for many other organisms in the ecosystem. The sea otter can be referred to as what? A) An invasive species. B) A keystone species. C) An endemic species. D) An indicator species. Show Answer Correct Answer: B) A keystone species. 14. The Biotic factors of an ecosystem include ..... A) Plants and animals that are reproducing. B) Things that are living, moving and growing. C) Microorganisms. D) All of the above. Show Answer Correct Answer: D) All of the above. 15. What kind of energy is coal? A) Renewable. B) Non renewable. Show Answer Correct Answer: B) Non renewable. 16. Wetland that is dominated by woody plants, flood-tolerant trees and shrubs A) Marsh. B) Swamps. C) Estuary. D) Salt Marshes. Show Answer Correct Answer: B) Swamps. 17. Species has central role to ecosystem survival A) Native species. B) Keystone species. C) King of the jungle. D) Endangered species. Show Answer Correct Answer: B) Keystone species. 18. Rachel's book Silent Spring is about ..... A) A quiet spring. B) How harmful DDT is. C) Birds dying due to pesticides and the spring being silent without their song. D) Birds losing their voices because of the pesticides being sprayed by farmers. Show Answer Correct Answer: C) Birds dying due to pesticides and the spring being silent without their song. 19. Consumers that only eat other animals (meat). A) Producers. B) Herbivores. C) Carnivores. D) Omnivores. Show Answer Correct Answer: C) Carnivores. 20. Naturally replenished over a short time like fruits and grains. A) Nonrenewable natural resources. B) Renewable natural resources. C) Sustainable. D) Fossil Fuels. Show Answer Correct Answer: B) Renewable natural resources. ← 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