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Best of luck!!  GED Practice Test - Social Science - Geography Facts  Average Score for this quiz: 46.5%  No of times this quiz has been taken: 49  No of people passing this quiz: 21  No of people failing this quiz: 28  Maximum score for this quiz: 73% Coverage : The GED Practice Test - Social Science - Geography is designed to test the knowledge of the test taker about important aspects related to Geography. This test covers various topics like Ecological system, Hydrological cycle, Pedology and changes in the structure of the earth. This question is based upon the figure shown below 1.  The map above uses Robinson projection. a. False b. True   This question is based upon the figure shown below 2.  The process of accumulation of water vapor in the air to form clouds that will do precipitation is called: a. Infiltration b. Run-Off c. Evaporation d. Condensation   This question is based upon the figure shown below 3.  What is the process of converting water, from its liquid state to a gaseous one called? a. Infiltration b. Run-Off c. Evaporation d. Condensation   This question is based upon the figure shown below 4.  The process where rain water soaks into the ground, through the soil and underlying rock layers is known as: a. Infiltration b. Run-Off c. Evaporation d. Condensation     This Question is based on the following passage:   Nitrogen is the major component of earth's atmosphere. It enters the food chain by means of nitrogen-fixing bacteria and algae in the soil. This nitrogen which has been 'fixed' is now available for plants to absorb. These types of bacteria form a symbiotic relationship with legumes--these types of plants are very useful because the nitrogen fixation enriches the soil and acts as a 'natural' fertilizer. The nitrogen-fixing bacteria form nitrates out of the atmospheric nitrogen which can be taken up and dissolved in soil water by the roots of plants. Then, the nitrates are incorporated by the plants to form proteins, which can then be spread through the food chain. When organisms excrete wastes, nitrogen is released into the environment. Also, whenever an organism dies, decomposers break down the corpse into nitrogen in the form of ammonia. This nitrogen can then be used again by nitrifying bacteria to fix nitrogen for the plants. 5.  What is the usefulness of nitrogen fixing bacteria? a. Creates aquifers thereby fulfilling the irrigational needs of crops b. Increase the fertility of soil c. Is a main supplier of oxygen to plants d. None of the Above     This Question is based on the following passage:   Nitrogen is the major component of earth's atmosphere. It enters the food chain by means of nitrogen-fixing bacteria and algae in the soil. This nitrogen which has been 'fixed' is now available for plants to absorb. These types of bacteria form a symbiotic relationship with legumes--these types of plants are very useful because the nitrogen fixation enriches the soil and acts as a 'natural' fertilizer. The nitrogen-fixing bacteria form nitrates out of the atmospheric nitrogen which can be taken up and dissolved in soil water by the roots of plants. Then, the nitrates are incorporated by the plants to form proteins, which can then be spread through the food chain. When organisms excrete wastes, nitrogen is released into the environment. Also, whenever an organism dies, decomposers break down the corpse into nitrogen in the form of ammonia. This nitrogen can then be used again by nitrifying bacteria to fix nitrogen for the plants. 6.  Humans have interfered with the nitrogen cycle by: a. Planting more and more trees b. Constructing bridges on waterways c. Burning fossil fuels and wood d. Dumping of untreated sewage     This Question is based on the following passage:   When we cause nitrogen overload in an ecosystem, there are many drastic effects. Dumping of raw sewage contains nitrogenous wastes, along with urban runoff. When large amounts of nitrogen collect in a water body, eutrophication can result. This is an accumulation of excess nutrients which causes an algae bloom. The algae rapidly deplete all of the oxygen in the water, making it inhospitable for fish and other aquatic organisms. Eutrophication also brings about the deadly red tides. When plant communities are saturated with nitrogen, the soil can become acidified. This makes the soil inhospitable. Burning fossil fuels and wood contributes to a large amount of nitric oxide in the atmosphere. Nitric oxide can combine with oxygen gas to for nitrogen dioxide, which reacts with water vapor to form a strong acid (nitric acid). This can precipitate out of the atmosphere in the form of the deadly acid rain. The acid can damage trees and kill fish. The use of inorganic fertilizers and depleting nitrogen resources by over harvesting legumes (which have nodules in their roots formed by a symbiotic bacteria that fix nitrogen) and over mining nitrogen also alter an ecosystem. 7.  The soil is acidified due to: a. Deficiency of nitrogen in plants b. Access of nitrogen in plants c. Access of oxygen in plants d. Access water vapors in plants     This Question is based on the following passage:   When we cause nitrogen overload in an ecosystem, there are many drastic effects. Dumping of raw sewage contains nitrogenous wastes, along with urban runoff. When large amounts of nitrogen collect in a water body, eutrophication can result. This is an accumulation of excess nutrients which causes an algae bloom. The algae rapidly deplete all of the oxygen in the water, making it inhospitable for fish and other aquatic organisms. Eutrophication also brings about the deadly red tides. When plant communities are saturated with nitrogen, the soil can become acidified. This makes the soil inhospitable. Burning fossil fuels and wood contributes to a large amount of nitric oxide in the atmosphere. Nitric oxide can combine with oxygen gas to for nitrogen dioxide, which reacts with water vapor to form a strong acid (nitric acid). This can precipitate out of the atmosphere in the form of the deadly acid rain. The acid can damage trees and kill fish. The use of inorganic fertilizers and depleting nitrogen resources by over harvesting legumes (which have nodules in their roots formed by a symbiotic bacteria that fix nitrogen) and over mining nitrogen also alter an ecosystem. 8.  Which of the following is not a cause of acid rain? a. Human activity b. Natural disasters c. Power Plants d. Volcanoes e. Lakes and streams   This question is based upon the figure shown below 9.  According to the above map the area which is least prone to earthquakes is the Midwestern United States. a. True b. False   This question is based upon the figure shown below 10.  The Nazca Plate is situated in the: a. West coast of South America b. East Coast of South America c. North Coast of South America d. None of the Above   This question is based upon the figure shown below 11.  The main cause of Riparian degradation in the Colorado Plateau is: a. Less Rainfall b. Overgrazing c. Dwindling forest cover d. Urban use of regions water supply   This question is based upon the figure shown below 12.  Which of the following statements regarding Damascus is true? a. An island of rocks and boulders b. An oasis on the fringe of a dessert c. An area of sand dunes d. An area of dense forests and animal habitat   This question is based upon the figure shown below 13.  Which of the following statements is proved by the information in the photograph? a. Current life on Earth could be sustained without the natural greenhouse effect b. Greenhouse effect makes the earth's climate cooler c. Current life on Earth could not be sustained without the natural greenhouse effect. d. Life on earth is endangered by the greenhouse effect     This Question is based on the following passage:   A productive and sustainable agricultural system depends on maintaining the integrity of biodiversity. Often small in size, diverse species are natural enemies of pests, degrade wastes, form soil, fix nitrogen, pollinate crops, etc. For example, in New York State on one bright, sunny day in July, the wild and other bees pollinate an estimated 6,000,000 million blossoms of essential fruits and vegetables. Humans have no technology to substitute for many of the services provided by diverse species in our environment. 14.  What is the central idea of the above passage? a. Loss of species increase agricultural productivity and sustainability b. Loss of species has a negative effect on agricultural productivity and sustainability c. Loss of species helps in maintaining a balanced ecosystem d. Loss of species enhances the economic wealth of the region   This question is based upon the figure shown below 15.  According to the map above the most likely vegetation type of Damascus is: a. Typical Mediterranean plants b. Mixed woods and forest c. Steppe d. Semi dessert and dessert e. Oasis   Think you know more about this quiz!   Please enter your Name and what you would like to tell everyone about GED Practice Test - Social Science - Geography  Name: Think you know more about GED Practice Test - Social Science - Geography and would like others to know too? Whether its a great fact, a joke, a personal experience or an interesting anecdote, please share it with all the human beings on planet earth. Your contribution will help keep QuizMoz a free site for all.    (Optional)  (average submission size - 5 to 10 lines) What others think about GED Practice Test - Social Science - Geography By: julius on Nov 2, 2008    great brain stimulator By: bigbody on Oct 15, 2008    word up   Home     About Us      Advertise     Terms of Service     Privacy Policy     Contact QuizMoz    FAQ     SiteMap Copyright © 2007.www.quizmoz.com. All rights are reserved.