This quiz works best with JavaScript enabled. Home > Desertification > Desertification And Its Control – Quiz 3 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Desertification And Its Control Quiz 3 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The process of the desert expanding into areas that had formerly been farmland is called A) Deforestation. B) Defarmlandification. C) Desertification. D) Resanding. Show Answer Correct Answer: C) Desertification. 2. What destroyed the grassland and forests that were once found in the Sahel? A) Years of heavy flooding. B) The development of factories. C) Continuous farming and over-grazing. D) Repeated use by nomads and camel caravans. Show Answer Correct Answer: C) Continuous farming and over-grazing. 3. What best describes Desertification? A) Land degradation in dry areas. B) Increased rainfall in a region. C) Frequent and prolonged sandstorms. D) When tropical climates see increases in humidity. Show Answer Correct Answer: A) Land degradation in dry areas. 4. Which of the following provinces / regions has the highest percentage of desertified area? A) Inner Mongolia. B) Ningxia. C) Xinjiang. D) Gansu. Show Answer Correct Answer: C) Xinjiang. 5. Desertification can cause a humanitarian crisis because ..... A) Large amounts of humanity may be at risk from a lack of food and resulting malnutrition. B) The increase in deserts will cause a lack of fresh, clean water. C) Expansion of the desert can lead to a loss of homes and farmland, resulting in a refugee crisis. D) All of the above. Show Answer Correct Answer: D) All of the above. 6. Why does overgrazing lead to desertification? A) Loss of grass destroys the soil. B) Loss of grass causes droughts. C) Increase in vegetation destroys the soil. D) Increase in vegetation protects against droughts. Show Answer Correct Answer: A) Loss of grass destroys the soil. 7. What is millet? A) A fish that swims in the Nile. B) A type of grain. C) A farming method. D) A way to rotate crops. Show Answer Correct Answer: B) A type of grain. 8. The CAUSES of desertification are: A) Drought. B) Flooding. C) Human environment interaction. D) All of the above. Show Answer Correct Answer: D) All of the above. 9. Which of the following is NOT a human activity that causes desertification? A) Cutting down trees. B) Drawing out water from wells. C) Climate change. D) Overgrazing. Show Answer Correct Answer: C) Climate change. 10. Desertification is: A) A naturally occurring event due to continual droughts. B) Both natural and a man made activity caused by lack of precipitation and continual overuse of the land and its resources. C) Is man made but the impact on Earth is very limited. D) Is permanent and nothing can be done to prevent the causes or effects. Show Answer Correct Answer: B) Both natural and a man made activity caused by lack of precipitation and continual overuse of the land and its resources. 11. A growing population can lead to the need for more food, which ultimately can lead to the need for: A) Loose top soil. B) Debrine. C) Desalination. D) None of above. Show Answer Correct Answer: C) Desalination. 12. The effects of desertification include ..... A) More food. B) More water. C) More famine. D) More visitors. Show Answer Correct Answer: C) More famine. 13. Desertification impacts: A) Less than 10% of Earth's land. B) Is limited to the area around Africa's Sahara and Kalahari deserts. C) Is greater than 75% of Earth's land. D) Approximately 1/3 of land on Earth. Show Answer Correct Answer: D) Approximately 1/3 of land on Earth. 14. ..... is considered one of the results of desertification. A) Destroying a tropical rain forest around Lake Chad in the southern edge of the Sahel. B) Pollution. C) Trade Barrirer. D) Water Pollution. Show Answer Correct Answer: A) Destroying a tropical rain forest around Lake Chad in the southern edge of the Sahel. 15. An underground water source that provides vegetation and well watered land, in a desert is called an ..... A) Oasis. B) Spout. C) River. D) Ocean. Show Answer Correct Answer: A) Oasis. 16. Which isn't part of the nutrient cycle A) Soil. B) Biomass. C) Litter. D) Weather. Show Answer Correct Answer: D) Weather. 17. With desertification, without the plants that held it in place, the fertile topsoil would be ..... A) Given new life. B) Washed away. C) Allowed to have new growth. D) Multiplied. Show Answer Correct Answer: B) Washed away. 18. What are the two reasons why safe, clean water is hard to find? A) Dead bird and whales. B) Air pollution and fog. C) Water pollution and unequal access to water. D) None of above. Show Answer Correct Answer: C) Water pollution and unequal access to water. 19. How is desertification linked to Population Pressure? A) Animals eat vegetation so no grass cutting is needed. B) Land is protected by more people so desertification is avoided. C) More people and animals leads to greater use of subsistence farming. D) Population increase can result in land close to edge of deserts being overgrazed, more animals eating vegetation leads to destroyed land. Show Answer Correct Answer: D) Population increase can result in land close to edge of deserts being overgrazed, more animals eating vegetation leads to destroyed land. 20. Which of the following are effects (results) of desertification? A) Overpopulation, poor sanitation, parasites. B) Starvation, poverty, migration. C) Dams, irrigation, transportation. D) Logging, settlement, agriculture. Show Answer Correct Answer: B) Starvation, poverty, migration. ← PreviousNext →Related QuizzesDesertification And Its Control Quiz 1Desertification And Its Control Quiz 2Desertification And Its Control Quiz 4Desertification And Its Control Quiz 5 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books