This quiz works best with JavaScript enabled. Home > Agriculture > Agriculture Environment > Ecology > Agriculture And Environment – Quiz 8 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Agriculture And Environment Quiz 8 (30 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. A pesticide is ..... if it does not break down easily or quickly in the environment. A) Domesticated. B) Persistent. C) Compost. D) Aquaculture. Show Answer Correct Answer: B) Persistent. 2. Which of the soil layers is composed of humus and detritus? A) O horizon. B) C horizon. C) A horizon. D) B horizon. Show Answer Correct Answer: A) O horizon. 3. Which trophic level would be able to feed the most people? A) Secondary consumers. B) Producers. C) Tertiary consumers. D) Primary consumers. Show Answer Correct Answer: B) Producers. 4. Which is not a reason for the inequality of resource use across the world? A) Social reasons. B) Political reasons. C) Economic reasons. D) Religious reasons. Show Answer Correct Answer: D) Religious reasons. 5. Hydroponics is ..... A) Is illegal. B) Growing with minerals. C) Must have soil. D) Soil less growing. Show Answer Correct Answer: D) Soil less growing. 6. One difference between subsistence and commercial agriculture is that in commercial agriculture A) A large % of the population is directly involved in agriculture. B) Less machinery is used. C) More extensive use is made of fertilizers. D) Crop yields are smaller. Show Answer Correct Answer: C) More extensive use is made of fertilizers. 7. Widespread malnutrition and starvation in an area due to food shortage A) Yield. B) Diet. C) Famine. D) Malnutrition. Show Answer Correct Answer: C) Famine. 8. Pastoral Nomadism can be characterized as A) Intensive Subsistence agriculture. B) Livestock Ranching. C) Shifting agriculture. D) Extensive Subsistence agriculture. Show Answer Correct Answer: D) Extensive Subsistence agriculture. 9. Salinization occurs when: A) Salt accumulates in soils. B) Salt is used to make vegetables more edible. C) Salt is used to kill weeds. D) Salt water is drawn up into a well. Show Answer Correct Answer: A) Salt accumulates in soils. 10. Which of these is false about the three staple crops? A) Rice is a staple crop. B) They make up the majority (about two-thirds) of human consumption. C) Corn (maize) is a staple crop. D) At least one of the staple crops is an animal product. Show Answer Correct Answer: D) At least one of the staple crops is an animal product. 11. The loss of a natural habitat is called? A) Pollution. B) Habitat destruction. C) Biodiversity. D) Habitat development. Show Answer Correct Answer: B) Habitat destruction. 12. ..... is the base geological material that will eventually become soil A) Water. B) Rock. C) Daughter. D) Parent. Show Answer Correct Answer: D) Parent. 13. The idea that land value, will decrease as one gets farther away from central markets is. A) Threshing. B) Bid Rent Theory. C) Proximity of Location. D) Von Thunen's Model. Show Answer Correct Answer: B) Bid Rent Theory. 14. Which of these is FALSE about modern (2nd gen) pesticides? A) They often kill natural predators. B) They become more effective over time. C) They may runoff into nearby aquatic systems. D) They promote genetic resistance. Show Answer Correct Answer: B) They become more effective over time. 15. Which statement BEST summarizes the Tragedy of the Commons? A) Self-interestsoutweigh public interest. B) Publicinterests outweigh self-interest. C) Itis all right to be selfish as long as you think of the big picture. D) Itis a tragedy when biodiversity disappears. Show Answer Correct Answer: A) Self-interestsoutweigh public interest. 16. The enormous menhaden catch is used entirely to A) Keep people aware of the aquatic problems they're causing. B) Produce feed and oil as bait for catching other fish. C) Give fish to the poor. D) Clear the ocean from all the aquatic pollutants. Show Answer Correct Answer: B) Produce feed and oil as bait for catching other fish. 17. Most coastal states require shrimping vessels to install TEDs (Turtle Excluder Devices), which allow sea turtles to pass safely through the net, while still allowing the net to catch shrimp. This is an example of A) State execution of the Endangered Species Act. B) The swampbuster provision of the Farm Bill of 1990. C) A bycatch reduction device. D) Managing fisheries for collapse. Show Answer Correct Answer: C) A bycatch reduction device. 18. Top-level predators often eat indirectly absorb toxins as a result of A) Biomagnification. B) Persistence. C) Overnutrition. D) Bioaccumulation. Show Answer Correct Answer: A) Biomagnification. 19. Which of the following crops did not emerge in the Americas? A) Beans. B) Potatoes. C) Corn. D) Wheat. Show Answer Correct Answer: D) Wheat. 20. The pesticide treadmill occurs when A) Predators of the pest species are killed by broadcast spraying. B) Constantly increasing doses of pesticides are needed to control pests. C) Constantly decreasing doses of pesticides are needed to control pests. D) A virus transfers pesticide resistance to a new species. Show Answer Correct Answer: B) Constantly increasing doses of pesticides are needed to control pests. 21. In the pesticide treadmill, pests are A) Migrating to new areas. B) Killing other pests. C) Decreasing in population. D) Increasing resistance. Show Answer Correct Answer: D) Increasing resistance. 22. The most important factor in soil formation is the A) Climate. B) Vegetation type. C) Topography. D) Rock type. Show Answer Correct Answer: A) Climate. 23. Which does not result in soil erosion? A) Slash and burn agriculture. B) Monocropping. C) Rotating crops. D) Yearly plowing/tilling. Show Answer Correct Answer: C) Rotating crops. 24. Which soil layer is mostly clay? A) Regolith. B) Topsoil. C) Bedrock. D) Subsoil. Show Answer Correct Answer: D) Subsoil. 25. Which of the following is an example of how people use land? A) To harvest wood. B) To grow crops. C) To preserve native species. D) All of the choices are examples of how people use land. Show Answer Correct Answer: D) All of the choices are examples of how people use land. 26. The number of different species in an area is referred to as its ..... A) Population. B) Biodiversity. C) Niche diversity. D) Genetic diversity. Show Answer Correct Answer: B) Biodiversity. 27. The largest cause of soil erosion and removal of topsoil is/are A) Strong wind. B) Flowing water. C) Industrial monooculture. D) Clear-cutting forests. Show Answer Correct Answer: B) Flowing water. 28. Which type of irritation results in the greatest amount of water lost to evaporation?I. Flood irrigationII. Drip irrigationIII. Low-pressure central pivot irrigation A) I only. B) II only. C) III only. D) II and III. Show Answer Correct Answer: A) I only. 29. Which soil has the highest water holding capacity? A) Sandy soil. B) Clayey soil. C) Loam. D) None of the above. Show Answer Correct Answer: C) Loam. 30. Which of the following best describes a hormone free chicken? A) Broad-spectrum chemical free chickens. B) Chickens with no exposure to chemical pesticides. C) Most all of the chickens on the market are hormone free in the first place. It's an advertising gimmick. D) The chickens in Scurry County. Show Answer Correct Answer: C) Most all of the chickens on the market are hormone free in the first place. It's an advertising gimmick. ← PreviousNext →Related QuizzesAgriculture Environment QuizzesAgriculture QuizzesAgriculture And Environment Quiz 1Agriculture And Environment Quiz 2Agriculture And Environment Quiz 3Agriculture And Environment Quiz 4Agriculture And Environment Quiz 5Agriculture And Environment Quiz 6Agriculture And Environment Quiz 7Agriculture And Environment Quiz 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books