This quiz works best with JavaScript enabled. Home > Science > Environmental Sciences – Quiz 349 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Environmental Sciences Quiz 349 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. I believe the number of lemons produced by a lemon tree increases when the tree receives more water. This statement is A) A hypothesis. B) A law. C) A variable. D) A conclusion. Show Answer Correct Answer: A) A hypothesis. 2. On a hot day, people turn on their air conditions. The air conditions are run with electricity which is generated in a power plant by burning natural gas. The exhaust from the power plant is CO2. With more CO2, the atmosphere heats up more and people turn their air conditions up. A) Positive Feedback Loop. B) Negative Feedback Loop. Show Answer Correct Answer: A) Positive Feedback Loop. 3. How many people are anticipated to be living on Earth in 2050? A) 2. B) 2.6 Billion. C) 7 Billion. D) 9.5 Billion. Show Answer Correct Answer: D) 9.5 Billion. 4. Defined by a low concentration of salts A) Marine. B) Swamp. C) Freshwater. D) None of above. Show Answer Correct Answer: C) Freshwater. 5. Which of these statements accurately describes the climate period the Earth is currently in? A) A glacial period within an ice age. B) An interglacial period within an ice age. C) The Earth is currently not in an ice age. D) None of above. Show Answer Correct Answer: B) An interglacial period within an ice age. 6. An unwanted outcome A) False. B) Chances. C) Risk. D) None of above. Show Answer Correct Answer: C) Risk. 7. Which of the following is not one or the major human contributions to extinction? A) Destruction of habitats. B) Introduction of keystone species. C) Pollution. D) Overharvesting. Show Answer Correct Answer: B) Introduction of keystone species. 8. What is the most common tree species in Poland? A) Pine. B) Oak. C) Larch. D) None of above. Show Answer Correct Answer: A) Pine. 9. ..... has a backbone, and grows hair at some point during its life. A) Reptiles. B) Insects. C) Mammals. D) Amphibians. Show Answer Correct Answer: C) Mammals. 10. If you're wanting to put together a team of professionals, and your goal is to study how organisms interact with their environment, which person do you need to make sure is on your team? A) Politician. B) Ecologist. C) Wastewater Engineer. D) Web Developer. Show Answer Correct Answer: B) Ecologist. 11. Spreading environmental awareness can be the role of- A) Pollution control board. B) Non Governmental Organisation. Show Answer Correct Answer: B) Non Governmental Organisation. 12. New species can become "invasive" within an ecosystem A) True. B) False. Show Answer Correct Answer: A) True. 13. What is a cost of using incinerators? A) Produces air pollution. B) High-level radioactive waste is disposed of unsafely. C) Difficult to get it approved. D) All of these are costs of incinerators. Show Answer Correct Answer: A) Produces air pollution. 14. What is an organism that makes their own food? A) Consumer. B) Producer. C) Stomata. D) Vegetarian. Show Answer Correct Answer: B) Producer. 15. A case of listeria has broken out within a community and source tracing has begun. Which professional is responsible for documenting that food and beverage service industries are abiding by all safety and sanitation regulations set by local, state and federal government? A) Health Inspector. B) Archaeologist. C) Wastewater Specialist. D) Veterinarian. Show Answer Correct Answer: A) Health Inspector. 16. The EPA is A) Environmental protection agency. B) Department of energy. C) National Oceanic and atmospheric administration. D) United states geological survey. Show Answer Correct Answer: A) Environmental protection agency. 17. Needles for food production A) Coniferous. B) Rain. C) Deciduous. D) None of above. Show Answer Correct Answer: A) Coniferous. 18. The production of ..... involves heat and pressure to convert plant material to Peat and finally Anthracite. A) Oil. B) Natural gas. C) Uranium. D) Coal. Show Answer Correct Answer: D) Coal. 19. What two compounds is photochemical smog formed from? A) Acidic and basic compounds. B) Nitrogen compounds. C) Oxygen and Flouride. D) VOCs and nitrogen oxides. Show Answer Correct Answer: D) VOCs and nitrogen oxides. 20. The Moon revolves around Earth once every 29.5 days. It takes the Moon the same amount of time for it to complete one rotation. Because of this phenomenon, the same side of the Moon always faces Earth. Which BEST explains what makes the timing of the revolution and rotation of the Moon equal? A) The lack of water on the Moon. B) The lack of atmosphere on the Moon. C) The pull of gravity on the Moon by Earth. D) The large distance between Earth and the Moon. Show Answer Correct Answer: C) The pull of gravity on the Moon by Earth. ← 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