This quiz works best with JavaScript enabled. Home > Science > Earth > Environmental Sciences – Quiz 636 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Environmental Sciences Quiz 636 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Why is composting important? A) It makes the yard look pretty. B) It helps reduce waste and creates healthy soil. C) It's a fun activity to do with friends. D) None of above. Show Answer Correct Answer: B) It helps reduce waste and creates healthy soil. 2. Why are there seasons on Earth? A) The Earth's axis flips. B) Increased solar activity. C) The Earth's axis is at a 23.5 degree tilt. D) The Earth moves closer to the sun. Show Answer Correct Answer: C) The Earth's axis is at a 23.5 degree tilt. 3. The ideal level for nitrites in an aquaponics system is ..... ? A) 0-0.25 ppm. B) 0.25-0.50 ppm. C) 0.50-1.0 ppm. D) 1.0-2.0 ppm. Show Answer Correct Answer: A) 0-0.25 ppm. 4. What is the ultimate source of energy for almost all organisms? A) Bacteria. B) Producers. C) The sun. D) Consumers. Show Answer Correct Answer: C) The sun. 5. When atmospheric nitrogen is assimilated into organic compounds A) Nitrogen cycle. B) Nitrogen fixation. C) Estuary. D) None of above. Show Answer Correct Answer: B) Nitrogen fixation. 6. Can lead to stress and high blood pressure A) Noise pollution. B) Air pollution. C) Light pollution. D) Asbestos. Show Answer Correct Answer: A) Noise pollution. 7. Which answer best defines condensation? A) The process of changing from a liquid to a gas, usually caused by energy from the sun. B) The process in which animals release water vapor. C) The process of changing from a gas to a liquid, such as water vapor changing into water. D) Water falling to the surface of the Earth in the form of rain, hail, sleet, or snow. Show Answer Correct Answer: C) The process of changing from a gas to a liquid, such as water vapor changing into water. 8. An input of photosynthesis is A) Carbon dioxide. B) Oxygen. C) Oxygen 2. D) Glucose. Show Answer Correct Answer: A) Carbon dioxide. 9. A common type of succession that occurs where an event such as a forest fire has occurred, or a farmer's field has been abandoned is called A) Common succession. B) Primary succession. C) Secondary succession. D) Quaternary succession. Show Answer Correct Answer: C) Secondary succession. 10. A linear series of feeding relationships of organisms. A) Phosphorous Cycle. B) Nitrogen Cycle. C) Food Web. D) Food Chain. Show Answer Correct Answer: D) Food Chain. 11. We can get this from leather? A) Milk. B) Eggs. C) Belt. D) None of above. Show Answer Correct Answer: C) Belt. 12. Which of the following organisms has an adaptation that will allow it to survive in the tundra? A) Mammals with thin fur that allows them to get rid of heat efficiently. B) Plants that have broad leaves to capture sunlight and long roots to capture water. C) Reptiles with long tongues with sticky pads for catching flying insects. D) Grasses with shallow roots and the ability to grow quickly when moisture is rarely present. Show Answer Correct Answer: D) Grasses with shallow roots and the ability to grow quickly when moisture is rarely present. 13. The organisms which gain energy indirectly, by eating other organisms are known as ..... A) Producers. B) Pioneers. C) Consumers. D) Trophic levels. Show Answer Correct Answer: C) Consumers. 14. Which of these issues prompted the first environmentally related legislation in the United States? A) Poaching. B) Deforestation. C) Air pollution. D) Water pollution. Show Answer Correct Answer: D) Water pollution. 15. Earthworms and bacteria are called A) Producers. B) Consumers. C) Decomposers. D) None of these. Show Answer Correct Answer: C) Decomposers. 16. This second layer of the atmosphere, contains the molecule ozone (O3) which absorbs harmful UV rays. A) Stratosphere. B) Troposphere. C) Mesosphere. D) Thermosphere. Show Answer Correct Answer: A) Stratosphere. 17. What is formed when extreme sudden subsidence occurs within a depleted aquifer? A) Sinkholes. B) Freshwater scarcity stress. C) Virtual water. D) Lowered water table. E) An impermeable layer that prevents recharge. Show Answer Correct Answer: A) Sinkholes. 18. Which one is the non-renewable source of energy? A) Hydroelectric power. B) Solar energy. C) Nuclear energy. D) Wind power. Show Answer Correct Answer: C) Nuclear energy. 19. The population size that an environment can sustain is known as its A) Density. B) Carrying capacity. C) Exponential growth. D) Dispersion. Show Answer Correct Answer: B) Carrying capacity. 20. What do you call all of the members of ONE species that live in a specific area? A) Community. B) Ecosystem. C) Habitat. D) Population. Show Answer Correct Answer: D) Population. ← 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