This quiz works best with JavaScript enabled. Home > Agriculture > Environment > General > Environmental Science – Quiz 7 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Environmental Science Quiz 7 (30 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which is a primary energy source used by power plants to generate electricity? A) Batteries. B) Coal. C) Wood. D) Gasoline. Show Answer Correct Answer: B) Coal. 2. A chemical fog produced by the reaction of sunlight and air pollutants is called ..... . A) Global warming. B) Acid rain. C) Smog. D) Fossil fuel. Show Answer Correct Answer: C) Smog. 3. In the United States, most of the fresh water we use-about 74 percent of it-comes from A) Aquatic supplies. B) Surface water sources. C) Aquifers. D) The ocean. Show Answer Correct Answer: B) Surface water sources. 4. A feeding step within an ecosystem is also known as a..... A) Pyramid. B) Trophic level. C) Habitat. D) None of above. Show Answer Correct Answer: B) Trophic level. 5. Which statement about changes in scientific thought is correct? A) Changes in scientific thought are usually rapid and drastic. B) Scientific thought and interpretations can never change over time. C) Changes in scientific thought demonstrate a key strength of science: the ability to self-correct and improve. D) Changes in scientific thought show that the general public cannot rely on science. Show Answer Correct Answer: C) Changes in scientific thought demonstrate a key strength of science: the ability to self-correct and improve. 6. Motor vehicles using gasohol or ethanol made from corn are examples of A) Photovoltaic cells. B) Hydrogen fuel. C) Fuel cells. D) Biomass fuel. Show Answer Correct Answer: D) Biomass fuel. 7. The 1990 Oil Production Act requires that all A) Tankers in the US waterways be doubled hulled by the year 2015. B) Leaking underground storage facilities be repaired in 90 days. C) Underground storage facilities be constructed of composite materials. D) Oil used in the US be recycled. Show Answer Correct Answer: A) Tankers in the US waterways be doubled hulled by the year 2015. 8. Two types of plankton are microscopic plants called ..... and microscopic animals called ..... A) Zooplankton; algae. B) Phytoplankton; zooplankton. C) Phytoplankton; nekton. D) Zooplankton; phytoplankton. Show Answer Correct Answer: B) Phytoplankton; zooplankton. 9. Triveni consist of following A) Neem, Peepal, Bargad. B) Tulsi. Neem, Haldi. C) Haldi, Bargad, Kela. D) None of these. Show Answer Correct Answer: A) Neem, Peepal, Bargad. 10. Nuclear chain reactions, such as those in nuclear power plants, are controlled by introducing a material that will absorb..... A) Gamma radiation. B) Alpha particles. C) Neutrons. D) Light. Show Answer Correct Answer: C) Neutrons. 11. When experiments are impossible or unethical predictions are tested by looking at ..... A) Curiosisty. B) Maps. C) Correlations. D) You tube. Show Answer Correct Answer: C) Correlations. 12. Oil and natural gas result from A) The migration of complex carbohydrate molecules to nonporous rock formations. B) The decay of tiny marine organisms that accumulated on the ocean floor millions of years ago. C) The burning of high-sulfur, low-grade uranium. D) The decay of plants that lived in swamps hundreds of thousands of years ago. Show Answer Correct Answer: B) The decay of tiny marine organisms that accumulated on the ocean floor millions of years ago. 13. Carbon-neutrality approaches refer to: A) Reducing greenhouse gas emissions from fossil fuel combustion. B) Eliminating use of of all carbon-based compounds. C) Cap-and-trade efforts currently employed by global interprise. D) Adhering to the Montreal Protocol, purchasing carbon offsets, and employing ecosystem services. Show Answer Correct Answer: A) Reducing greenhouse gas emissions from fossil fuel combustion. 14. The land area that supplies water to a river system is called a A) Divide. B) Wetland. C) Watershed. D) Tributary. Show Answer Correct Answer: C) Watershed. 15. Ecologists tend to divide the photic zone of lakes and ponds based on distance from the A) Shore. B) Surface. C) Bottom. D) Ocean. Show Answer Correct Answer: B) Surface. 16. As water is heated, it changes into gaseous state known as water vapor and rises into the atmosphere A) Water Evaporation. B) Water Condensation. C) Water Respiration. D) None of above. Show Answer Correct Answer: A) Water Evaporation. 17. What type of accident was Chernobyl, considered to be one of the worst of its kind? A) Nuclear meltdown. B) Spreading wildfire. C) Natural disaster. D) Act of terrorism. Show Answer Correct Answer: A) Nuclear meltdown. 18. How does the ozone layer benefit living things on Earth? A) Protects life from the sun's ultraviolet rays. B) Provides drinking water in the form of rain. C) Is necessary for most living things to breathe. D) Keeps Earth cool enough for life to survive. Show Answer Correct Answer: A) Protects life from the sun's ultraviolet rays. 19. Which of the following is NOT true about biostimulants? A) Biostimulants are products that reduce the need for fertilizers and increase plant growth, resistance to water and abiotic stresses. B) In small concentrations, these substances are efficient, favoring the good performance of the plant's vital processes, and allowing high yields and good quality products. C) Biostimulants are natural or synthetic substances that can be applied to seeds, plants, and soil. D) Biostimulants increase the need for fertilizers. Show Answer Correct Answer: D) Biostimulants increase the need for fertilizers. 20. The period of the earth's orbit around the sun is ..... A) 364 hours. B) 1 year. C) 1 day. D) 24 hours. Show Answer Correct Answer: B) 1 year. 21. What makes an estuary wildlife unique A) They are pretty. B) They can handle different levels of salinity. C) They grow to huge sizes. D) They eat lots of freshwater organisms. Show Answer Correct Answer: B) They can handle different levels of salinity. 22. Which of the following are considered part of the environment? A) Forest. B) People. C) Building. D) All of the above. Show Answer Correct Answer: D) All of the above. 23. Which of the following is a disadvantage of ocean thermal energy conversion? A) Not enough warm water. B) Not enough cold water. C) Can only be done in cold areas. D) Inefficient plants. Show Answer Correct Answer: D) Inefficient plants. 24. What is the original source of almost all the energy in most ecosystems? A) Carbon. B) Air. C) Sunlight. D) Water. Show Answer Correct Answer: C) Sunlight. 25. A good hypothesis is more than a guess because it A) Is based on intuition rather than observation. B) States what is likely to happen. C) Makes logical sense. D) Both (b) and (c). Show Answer Correct Answer: C) Makes logical sense. 26. Which is classified as an alternative energy resource? A) Crude oil. B) Geothermal heat. C) Mined coal. D) Natural gas. Show Answer Correct Answer: B) Geothermal heat. 27. ? is the source of energy for almost all living things on the planet. A) Water. B) Sun. C) Fod. D) Soil. Show Answer Correct Answer: B) Sun. 28. Things you can do to help decrease global warming include: A) Keep your freezer door open. B) Eat more ice cream. C) Turn off your lights when you're not using them. D) Keep your air conditioner on high. Show Answer Correct Answer: C) Turn off your lights when you're not using them. 29. Which of the following statements about hydrogen as a fuel source is correct? A) The amount of hydrogen on Earth is too small to meet our fuel needs. B) Hydrogen can be burned as a fuel or used to produce electricity chemically. C) When hydrogen is burned, it releases pollutants. D) Generating hydrogen by burning fossil fuels is inexpensive. Show Answer Correct Answer: B) Hydrogen can be burned as a fuel or used to produce electricity chemically. 30. What year was the outdoor code published in the scout handbook? A) 1856. B) 1942. C) 1955. D) 1938. Show Answer Correct Answer: C) 1955. ← PreviousNext →Related QuizzesEnvironment QuizzesAgriculture QuizzesEnvironmental Science Quiz 1Environmental Science Quiz 2Environmental Science Quiz 3Environmental Science Quiz 4Environmental Science Quiz 5Environmental Science Quiz 6Environmental Science Quiz 8Environmental Science Quiz 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books