This quiz works best with JavaScript enabled. Home > Science > Earth > Environmental Sciences – Quiz 523 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Environmental Sciences Quiz 523 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. 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. 2. 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. 3. 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. 4. 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. 5. 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. 6. 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. 7. What kind of energy is coal? A) Renewable. B) Non renewable. Show Answer Correct Answer: B) Non renewable. 8. 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. 9. 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. 10. 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. 11. Consumers that only eat other animals (meat). A) Producers. B) Herbivores. C) Carnivores. D) Omnivores. Show Answer Correct Answer: C) Carnivores. 12. 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. 13. This young icon spent three hours every day fetching water as a young girl in Burkina Faso, where almost half the country lives without clean water. She launched a foundation in 2015, which has made water accessible to over 100, 000 people by building wells in local communities in Burkina Faso. A) Stella Voolis. B) Ramona Kaswan. C) Georgie Badiel. D) Varshini Prakash. Show Answer Correct Answer: C) Georgie Badiel. 14. Which of the following is evaporation of water from plants? A) Precipitation. B) Nitrification. C) Transpiration. D) Uplift. Show Answer Correct Answer: C) Transpiration. 15. How much percentage of nitrogen consist in Earth's Atmosphere? A) 25%. B) 12%. C) 92%. D) 78%. Show Answer Correct Answer: D) 78%. 16. Which profession would you go to if you needed legal advice related to your property plot (including trees, roads, boundary lines, deeds and surveys)? A) Marine Biologist. B) Computer Software Engineer. C) Economist. D) Lawyer. Show Answer Correct Answer: D) Lawyer. 17. When the sun warms plants, it causes water to evaporate out of the leaves through the small openings. This process is called A) Collection. B) Transpiration. C) Absorption. D) Run off. Show Answer Correct Answer: B) Transpiration. 18. Environmental studies are multidisciplinary in nature. A) True. B) False. Show Answer Correct Answer: A) True. 19. Which of the following is NOT a factor that impacts ecological tolerance? A) Temperature. B) PH. C) Humidity. D) Level of biodiversity. Show Answer Correct Answer: D) Level of biodiversity. 20. If there is excess hydrogen ions, the solution will be ..... A) Acidic. B) Basic. Show Answer Correct Answer: A) Acidic. ← 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