This quiz works best with JavaScript enabled. Home > Agriculture Environment > Ecology > Agriculture And Environment – Quiz 12 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Agriculture And Environment Quiz 12 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Salinization occurs when: A) Salt is used to kill weeds. B) Salt accumulates in soils. C) Salt water is drawn up into a well. D) Salt is used to make vegetables more edible. Show Answer Correct Answer: B) Salt accumulates in soils. 2. Which of these is false about the three staple crops? A) They make up the majority (about two-thirds) of human consumption. B) Corn (maize) is a staple crop. C) Rice 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. 3. The loss of a natural habitat is called? A) Habitat development. B) Biodiversity. C) Pollution. D) Habitat destruction. Show Answer Correct Answer: D) Habitat destruction. 4. ..... is the base geological material that will eventually become soil A) Rock. B) Parent. C) Water. D) Daughter. Show Answer Correct Answer: B) Parent. 5. The idea that land value, will decrease as one gets farther away from central markets is. A) Proximity of Location. B) Threshing. C) Von Thunen's Model. D) Bid Rent Theory. Show Answer Correct Answer: D) Bid Rent Theory. 6. Which of these is FALSE about modern (2nd gen) pesticides? A) They often kill natural predators. B) They may runoff into nearby aquatic systems. C) They become more effective over time. D) They promote genetic resistance. Show Answer Correct Answer: C) They become more effective over time. 7. 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. 8. 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. 9. 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) A bycatch reduction device. B) State execution of the Endangered Species Act. C) The swampbuster provision of the Farm Bill of 1990. D) Managing fisheries for collapse. Show Answer Correct Answer: A) A bycatch reduction device. 10. Top-level predators often eat indirectly absorb toxins as a result of A) Bioaccumulation. B) Persistence. C) Overnutrition. D) Biomagnification. Show Answer Correct Answer: D) Biomagnification. 11. Which of the following crops did not emerge in the Americas? A) Beans. B) Wheat. C) Corn. D) Potatoes. Show Answer Correct Answer: B) Wheat. 12. The pesticide treadmill occurs when A) Constantly increasing doses of pesticides are needed to control pests. B) Predators of the pest species are killed by broadcast spraying. 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: A) Constantly increasing doses of pesticides are needed to control pests. 13. In the pesticide treadmill, pests are A) Increasing resistance. B) Decreasing in population. C) Killing other pests. D) Migrating to new areas. Show Answer Correct Answer: A) Increasing resistance. 14. The most important factor in soil formation is the A) Climate. B) Topography. C) Rock type. D) Vegetation type. Show Answer Correct Answer: A) Climate. 15. 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. 16. Which soil layer is mostly clay? A) Topsoil. B) Subsoil. C) Regolith. D) Bedrock. Show Answer Correct Answer: B) Subsoil. 17. 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. 18. The number of different species in an area is referred to as its ..... A) Population. B) Genetic diversity. C) Biodiversity. D) Niche diversity. Show Answer Correct Answer: C) Biodiversity. 19. The largest cause of soil erosion and removal of topsoil is/are A) Flowing water. B) Strong wind. C) Industrial monooculture. D) Clear-cutting forests. Show Answer Correct Answer: A) Flowing water. 20. 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. ← PreviousNext →Related QuizzesAgriculture Environment 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 8Agriculture And Environment Quiz 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books