This quiz works best with JavaScript enabled. Home > Science > Earth > Environmental Sciences – Quiz 71 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Environmental Sciences Quiz 71 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. How are igneous rocks formed? A) By hardening and cementing of layers of sediments. B) By cooling and hardening of molten rocks from inside the Earth. C) When existing rocks change by heat and pressure into new kinds of rocks. D) None of above. Show Answer Correct Answer: B) By cooling and hardening of molten rocks from inside the Earth. 2. In which ecosystem would you likely find a squirrel on a maple tree? A) Boreal Forest. B) Tropical Seasonal Forest. C) Temperate Forest. D) Wetlands. Show Answer Correct Answer: C) Temperate Forest. 3. A society in which food is obtained primarily by raising and taking care of animals A) Pastoral. B) Agricultural. C) Horticultural. D) Industrial. Show Answer Correct Answer: A) Pastoral. 4. Maximum fresh water is available in A) River. B) Rain. C) Ground Water. D) Glacier and Ice caps. Show Answer Correct Answer: D) Glacier and Ice caps. 5. Why can't the top level contain a large number of organisms? A) As energy moves from the bottom to the top level, less and less energy is available to higher levels. B) The original energy from producers is the total energy available to all the organisms in the energy pyramid. C) Onlly about ten percent of the energy available at one level is transferred to the next level. D) All of the above. Show Answer Correct Answer: D) All of the above. 6. ..... observations are descriptive qualities and characteristics that are not numerical. A) Quantitative. B) Accuracy. C) Qualitative. D) Precision. Show Answer Correct Answer: C) Qualitative. 7. What are the components of an ecosystem? A) Biotic and abiotic factors. B) Weather and climate. C) Rocks and minerals. D) Plants and animals. Show Answer Correct Answer: A) Biotic and abiotic factors. 8. Most greenhouse gases are given off by trees. A) True. B) False. Show Answer Correct Answer: B) False. 9. The function of an environmental impact statement is A) To clarify the effect that a project would have on the environment. B) To generate a record of the ongoing impact to the environment of existing structures. C) To satisfy international legal requirements. D) To limit development to a bare minimum tagsSEV4SEV5. Show Answer Correct Answer: A) To clarify the effect that a project would have on the environment. 10. Biodiversity A) Allows animals to eat only one item. B) Increases at each level in a food chain. C) Helps populations adapt to changes in their ecosystems. D) Reduces insects in an ecosystem. Show Answer Correct Answer: C) Helps populations adapt to changes in their ecosystems. 11. Wetlands and estuaries purify water and filter out ..... A) Dead organisms. B) Waste products. C) Salt. D) Pollution. Show Answer Correct Answer: D) Pollution. 12. Criteria such as salinity, depth, and whether the water is flowing or standing are used by scientists to A) Classify aquatic ecosystems. B) Measure net primary productivity from terrestrial ecosystems. C) Distinguish aquatic ecosystems from terrestrial ecosystems. D) Determine the number of species in a body of water. Show Answer Correct Answer: A) Classify aquatic ecosystems. 13. What is the climate of the top of a mountain like as compared to the bottom of the mountain? A) Warmer. B) Cooler. C) Drier. D) Wetter. Show Answer Correct Answer: B) Cooler. 14. Small consumers that are hunted and eaten by larger consumers A) Producer. B) Prey. C) Predator. D) None of above. Show Answer Correct Answer: B) Prey. 15. What are some chemicals found hazards that can be found indoors? A) Water. B) Sunlight. C) Fresh air. D) Formaldehyde, radon, asbestos, lead, and carbon monoxide. Show Answer Correct Answer: D) Formaldehyde, radon, asbestos, lead, and carbon monoxide. 16. The largest part of the Earth is the A) Biosphere. B) Hydrosphere. C) Geosphere. D) Atmosphere. Show Answer Correct Answer: C) Geosphere. 17. Crop rotation improves A) Badgers. B) Soil nutrient levels. C) The farmer having to plough. D) Water pollution. Show Answer Correct Answer: B) Soil nutrient levels. 18. Conflicts that arise from sharing resources are described by A) Hunter-gatherer period. B) Industrial Revolution. C) The Tragedy of the Commons. D) Agricultural revolution. Show Answer Correct Answer: C) The Tragedy of the Commons. 19. Avoid extra flushes in the toilet A) True. B) False. Show Answer Correct Answer: A) True. 20. Northern coniferous forest that stretches in a broad band across the Northern Hemisphere A) Savanna. B) The obi. C) Desert. D) Tundra. Show Answer Correct Answer: B) The obi. ← 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