This quiz works best with JavaScript enabled. Home > Ugc Net > Paper 1 > Environment > Soil Energy – Quiz 1 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Soil Energy Quiz 1 (30 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. MFC Operation and Usage-MFCs do not require energy input; instead, they generate a little amount of electrical power. MFCs are therefore regarded as a sustainable technology.This process is the ..... process in getting energy from soil A) 1st. B) 4th. C) 3rd. D) 2nd. Show Answer Correct Answer: C) 3rd. 2. Why is soil an important natural resource? A) Soil is used to make buildings. B) Soil comes from bedrock. C) Soil is full of mircobes. D) Soil can grow crops. Show Answer Correct Answer: D) Soil can grow crops. 3. It is the combustion of fossil fuels to generate energy also contaminates the air and water we breathe and drink. A) Cleaner Air and Water. B) Zero Carbon Emissions. C) A less expensive form of electricity. D) Renewable Energy Is Not Constantly Available. Show Answer Correct Answer: A) Cleaner Air and Water. 4. It means Solar and wind power are the cheapest sources of electricity in many regions of the world due to the tremendous expansion of renewable energy over the past decade. A) Cleaner Air and Water. B) Zero Carbon Emissions. C) A less expensive form of electricity. D) Renewable Energy Is Not Constantly Available. Show Answer Correct Answer: C) A less expensive form of electricity. 5. A renewable energy source is A) An energy source that can't be created from other materials. B) An energy source that will take a long time to be replaced. C) An energy source that will never be replaced. D) An energy source that can be replaced. Show Answer Correct Answer: D) An energy source that can be replaced. 6. Position that an organism occupies based on what it eats A) Consumer. B) Producer. C) Heterotroph. D) Trophic level. Show Answer Correct Answer: D) Trophic level. 7. This procedure can optimize carbon capture (BMPs) in soil A) Land Refill. B) Soil Management. C) Land Management. D) Soil Optimization. Show Answer Correct Answer: C) Land Management. 8. It is perhaps the most major advantage of renewable energy is that it does not produce greenhouse gases or other pollutants. A) Cleaner Air and Water. B) Zero Carbon Emissions. C) A less expensive form of electricity. D) Renewable Energy Is Not Constantly Available. Show Answer Correct Answer: B) Zero Carbon Emissions. 9. The texture of soil depends on A) Soil color. B) Particle size. C) Soil mass. D) How much water it can retain. Show Answer Correct Answer: B) Particle size. 10. What does an energy pyramid show? A) Energy flow in a community. B) Longest lifespans. C) The stronger animal the higher it is on the pyramid. D) None of above. Show Answer Correct Answer: A) Energy flow in a community. 11. Makes its own food A) Herbivore. B) Autotroph. C) Carnivore. D) Heterotroph. Show Answer Correct Answer: B) Autotroph. 12. It is is the capacity to perform labor and is necessary for all biological activities. A) Energy. B) Strength. C) Physics. D) Matter. Show Answer Correct Answer: A) Energy. 13. The major source of energy on earth is A) The moon's ability to reflect light from the sun. B) The sun's ability to produce light and heat. C) The wind's ability to blow things around. D) The water's ability to move things in it's way. Show Answer Correct Answer: B) The sun's ability to produce light and heat. 14. It is the usage of MFCs would result in the eradication of soil contaminants such as phenol, gasoline, and oil. This process is the ..... process in getting energy from soil A) 2nd. B) 3rd. C) 1st. D) 4th. Show Answer Correct Answer: A) 2nd. 15. You dig a small hole in the soil and the next day it rains. The hole fills with water, but does not empty even after several days of dry weather. What is the soil mostly made of? A) Clay. B) Sand. C) Humus. D) Silt. Show Answer Correct Answer: A) Clay. 16. It transform chemical energy from soil organic molecules into electricity via catalysis by soil source exoelectrogenic bacteria A) MFC. B) Exoelectrogenic bacteria. C) Biome. D) Soil Energy. Show Answer Correct Answer: A) MFC. 17. In a particular region, abundant growth of grasses covers the flat land surface. If overgrazing removes most of this vegetation, which weather phenomenon is most likely to occur? A) Dust storm. B) Hail storm. C) Snow storm. D) Rain storm. Show Answer Correct Answer: A) Dust storm. 18. It is nonrenewable on a human timescale and causing other potentially negative environmental repercussions. A) Soil Energy. B) Fossil Fuel. C) Solar Energy. D) Biomass. Show Answer Correct Answer: B) Fossil Fuel. 19. Soil forms over time by A) Rocks being broken down. B) Wind blowing the plants. C) Sunlight warming the plants. D) Water falling to the earth. Show Answer Correct Answer: A) Rocks being broken down. 20. What is the first stage of the plant life cycle? A) Flower/Fruit. B) Seedling. C) Seed. D) Mature Plant. Show Answer Correct Answer: C) Seed. 21. All are the process of getting energy from soil except ..... A) MFC Operation and usage. B) Knowing MFC signals. C) Checking of MFC Performance. D) Eradication of Soil Contaminants. Show Answer Correct Answer: C) Checking of MFC Performance. 22. Eats dead organisms and returns nutrients to soil A) Decomposer. B) Biomass. C) Carnivore. D) Autotroph. Show Answer Correct Answer: A) Decomposer. 23. It includes grown plant resources, including residues, oils, and grains, can be utilized to make ethanol or biodiesel for energy.-grown plant resources, including residues, oils, and grains, can be utilized to make ethanol or biodiesel for energy . A) Biomass. B) Water. C) Soil. D) Air. Show Answer Correct Answer: C) Soil. 24. It means Renewable energy sources are natural forces that are very weather-dependent. Therefore, renewable energy technologies such as solar cells will be less useful when the weather is poor. A) Renewable technologies have a low rate of efficiency. B) Renewable Energy Is Not Constantly Available. C) A less expensive form of electricity. D) Zero Carbon Emissions. Show Answer Correct Answer: B) Renewable Energy Is Not Constantly Available. 25. Eats other organisms A) Decomposer. B) Consumer. C) Producer. D) Autotroph. Show Answer Correct Answer: B) Consumer. 26. The electrical signals generated by the MFCs, such as peak voltage, number of electrons, and start-up time, might be used to monitor the pollutant toxicity and soil microbial activity. This process is the ..... process in getting energy from soil A) 1st. B) 4th. C) 3rd. D) 2nd. Show Answer Correct Answer: A) 1st. 27. Which of the following ways could a habitat be affected due to DISEASE? A) Animals would die. B) Could cause animal extinction. C) Could affect food chains. D) All of the above. Show Answer Correct Answer: D) All of the above. 28. Runoff from over-fertilized lawns and fields, oil from parking lots, soil erosion and animal waste are all A) Ways to conserve water. B) Part of the water cycle. C) Sources of water pollution. D) None of above. Show Answer Correct Answer: C) Sources of water pollution. 29. What is the Meaning of MFC? A) Micro fuel cells. B) Microbiol fuel cells. C) Microbial fuel cells. D) Microbil fuel cents. Show Answer Correct Answer: C) Microbial fuel cells. 30. The very top layer of soil is mostly made of A) Solid rock. B) Clay and mineral deposits. C) A mixture of minerals and organic material. D) Mostly organic material (humus). Show Answer Correct Answer: D) Mostly organic material (humus). 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