This quiz works best with JavaScript enabled. Home > Science > Environmental Sciences – Quiz 644 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Environmental Sciences Quiz 644 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. One gallon of fuel produces 5 lbs of CO2. Two cars drive 100 miles each. The first gets 10 MPG. The second gets 25 MPG. How much LESS CO2 is produced by the second car? A) 10 pounds. B) 50 pounds. C) 30 pounds. D) 15 pounds. Show Answer Correct Answer: C) 30 pounds. 2. The mass number of an atom is ..... A) The number of protons. B) The number of neutrons. C) The number of protons + neutrons. D) How radioactive the atom is. Show Answer Correct Answer: C) The number of protons + neutrons. 3. Greenhouse gases include all of the following EXCEPT: A) Nitrogen. B) Methane. C) Water vapor. D) Carbon dioxide. Show Answer Correct Answer: A) Nitrogen. 4. We used bioindicators to measure the quality of water. What is a bioindicator? A) Any living creature. B) Eutrophication. C) An organism sensitive to its environment. D) A turbidity tube. Show Answer Correct Answer: C) An organism sensitive to its environment. 5. The smallest level of ecological classification A) Population. B) Biome. C) Ecosystem. D) Organism. Show Answer Correct Answer: D) Organism. 6. Why is water scarce in some places when almost three-fourths of the Earth is covered by water? A) Most of it is salty. B) Most of it is underground. C) Most of it is frozen at the poles. D) Most of it is in the atmosphere. Show Answer Correct Answer: A) Most of it is salty. 7. Which practical method is used to measure the species diversity of soil invertebrates? A) Butterfly net. B) Light trap. C) Surber sampler. D) Tullgren Funnel. Show Answer Correct Answer: D) Tullgren Funnel. 8. The basic support systems needed to keep an economy going, including power, communications, transportation, sanitation, and education form a country's A) Urbanization. B) Infrastructure. C) Industrialization. D) Urban geography. Show Answer Correct Answer: B) Infrastructure. 9. In a particular habitat, owls eat mice and mice eat grass. If the owl population suddenly grows, then most likely A) The number of mice will decrease and the amount of grass will not change. B) The number of mice will increase and the amount of grass will increase. C) The number of mice will increase and the amount of grass will not change. D) The number of mice will decrease and the amount of grass will increase. Show Answer Correct Answer: D) The number of mice will decrease and the amount of grass will increase. 10. Underground stem that ensures a plant's survival despite grass fires. A) Runner. B) Sod-forming grasses. C) Tufts. D) Bunchgrasses. Show Answer Correct Answer: A) Runner. 11. Regions of the ocean are commonly referred to as what type of systems? A) Mountainous. B) Estuary. C) Marine. D) Desert. Show Answer Correct Answer: C) Marine. 12. How many ozone atoms can a single chlorine atom break down? A) 5, 000. B) 10, 000. C) 50, 000. D) 100, 000. E) 500, 000. Show Answer Correct Answer: D) 100, 000. 13. Cm =..... m A) 2400. B) 24. C) 2.4. D) 0.24. Show Answer Correct Answer: C) 2.4. 14. How much of the air is nitrogen in the atmosphere? A) 70%. B) 78%. C) 73%. D) None of above. Show Answer Correct Answer: B) 78%. 15. The deepest part of the ocean floor is in what ocean? A) Atlantic. B) Pacific. C) Arctic. D) Indian. Show Answer Correct Answer: B) Pacific. 16. A compound is A) Two or more of the same kind of atoms put together. B) Two or more different atoms put together. C) Not really a word. D) None of above. Show Answer Correct Answer: B) Two or more different atoms put together. 17. Enzymes need certain environmental conditions in order to function properly. What happens when enzymes are heated to a high temperature? A) They die. B) They denature (change shape). C) They change their amino acid sequence. D) They work better. Show Answer Correct Answer: B) They denature (change shape). 18. About 50% of our plants and animals live in the rainforest A) True. B) False. Show Answer Correct Answer: B) False. 19. Which of the following describes condensation? A) Ice becoming water when placed into a warm liquid. B) Water becoming ice in a freezer. C) Liquid water being heated until it turns into steam. D) Steam from a teapot turning into liquid water. Show Answer Correct Answer: D) Steam from a teapot turning into liquid water. 20. Which type of growth is seen in the graph below, where a population of mice has reached the carrying capacity? A) Logistic. B) Carrying capacity. C) Exponential. D) Populations. Show Answer Correct Answer: A) Logistic. ← 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