This quiz works best with JavaScript enabled. Home > Environment > Environmental Science – Quiz 29 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Environmental Science Quiz 29 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. An increase in the amount of nutrients, such as nitrates, in a marine or aquatic ecosystem is A) Benthos. B) Nekton. C) Eutrophication. D) Plankton. Show Answer Correct Answer: C) Eutrophication. 2. An example of abiotic in an environment includes A) Plants. B) Sunlight. C) Trees. D) Animals. Show Answer Correct Answer: B) Sunlight. 3. According to the Law of Supply and Demand, if the amount of oil extracted worldwide were to increase and the demand stayed the same, the price of oil should ..... A) Increase. B) Decrease. C) Remain stable. D) Fluctuate randomly. Show Answer Correct Answer: B) Decrease. 4. Humans play an important role in maintaining our environments. The act of maintaining the earth for the generations after us is called what? A) Pollution. B) Contamination. C) Deforestation. D) Sustainability. Show Answer Correct Answer: D) Sustainability. 5. What percentage of the atmosphere is composed of oxygen? A) 12. B) 21. C) 58. D) 78. Show Answer Correct Answer: B) 21. 6. .....is the percentage of the total volume of rock that has spaces (pores). A) Recharge zone. B) Aquifer. C) Porosity. D) Pathogens. Show Answer Correct Answer: C) Porosity. 7. Principles or standards we consider important are known as A) Models. B) Morals. C) Values. D) Data. Show Answer Correct Answer: C) Values. 8. In a controlled experiment, how many variables can be worked with at a time? A) One. B) None. C) Two or more. D) How ever many makes sense. Show Answer Correct Answer: A) One. 9. Mr. K is studying the effects of low calorie diets on lifespan. He wants to know if a diet under 1500 calories will increase life span. What is the Dependent variable in this statement? A) Calories. B) Lifespan. C) Humans. D) Mr. K. Show Answer Correct Answer: B) Lifespan. 10. What is the main source of thermal pollution? A) Gardening. B) Batteries. C) Power Plants. D) Radioactive landfills. Show Answer Correct Answer: C) Power Plants. 11. Plants both trying to get sunlight are A) Commensalism. B) Mutualism. C) Compeition. D) Parasitism. Show Answer Correct Answer: C) Compeition. 12. A resource that can be replaced relatively quickly by natural processes. A) Renewable Resource. B) Non Renewable Resource. C) Biodegradable. D) Non Biodegradable. Show Answer Correct Answer: A) Renewable Resource. 13. A poorly planned development that spreads a city's population over a wider and wider geographic area is A) Industrialization. B) Urban sprawl. C) Urbanization. D) Metropolitan area. Show Answer Correct Answer: B) Urban sprawl. 14. What is the palm oil crisis? A) Its not a cris. B) A crisis that destroys wildlife. C) A crisis that kills animals in the process of burning down wildlife for palm oil. D) A crisis that kills animals in the process of burning down wildlife for olive oil. Show Answer Correct Answer: B) A crisis that destroys wildlife. 15. Using economic considerations of resource use, the law of supply and demand describes A) 'the availability of abundant resources. B) 'the relationship between the availability and the worth of resources. C) 'the worth of nonrenewable resources. D) Reduced demand resulting from a lack of available resources. Show Answer Correct Answer: B) 'the relationship between the availability and the worth of resources. 16. Which of the following determines whether a resource is a renewable or nonrenewable resource? A) The cost for obtaining and using the resource. B) The effect of the resource on the environment. C) Whether the resource is used to generate energy or is made into products. D) The rate at which the resource can be replaced. Show Answer Correct Answer: D) The rate at which the resource can be replaced. 17. Which of the following is the diverse study of life and organisms and their personal attributes? A) Chemistry. B) Ornthology. C) Biology. D) Earth Science. Show Answer Correct Answer: C) Biology. 18. Which statement is an accurate interpretation of the outcome in an ecosystem when a major predator is removed? A) The remaining community adjusts and quickly becomes stable. B) The diversity of the ecosystem actually increases. C) The diversity of the ecosystem decreases and the prey population increases. D) None of above. Show Answer Correct Answer: C) The diversity of the ecosystem decreases and the prey population increases. 19. The very bottom of a body of water is the A) Benthic zone. B) Photic zone. C) Aphotic zone. D) Stream. Show Answer Correct Answer: A) Benthic zone. 20. Which of the following would cause the greatest increase on your ecological footprint? A) Your car's gas mileage. B) How many miles you drive each year. C) International flights. D) Eating chicken 3 times per week. Show Answer Correct Answer: C) International flights. ← PreviousNext →Related QuizzesEnvironmental Science Quiz 1Environmental Science Quiz 2Environmental Science Quiz 3Environmental Science Quiz 4Environmental Science Quiz 5Environmental Science Quiz 6Environmental Science Quiz 7Environmental Science Quiz 8Environmental Science Quiz 9Environmental Science Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books