MCQ Type Exam Semester II -Energy Systems

Question 1: Which of the following is not a renewable energy source?
a) Solar
b) Natural Gas
c) Wind
d) Biomass
Answer: b) Natural Gas

Question 2: What is the primary source of energy for photosynthesis in plants?
a) Wind
b) Geothermal
c) Solar
d) Fossil Fuels
Answer: c) Solar

Question 3: Which energy system is based on the conversion of kinetic energy from moving air into electrical energy?
a) Hydroelectric
b) Nuclear
c) Wind
d) Biomass
Answer: c) Wind

Question 4: In a nuclear power plant, what is the primary source of energy used to generate electricity?
a) Chemical reactions
b) Fossil Fuels
c) Nuclear reactions
d) Geothermal energy
Answer: c) Nuclear reactions

Question 5: Which fossil fuel is the most carbon-intensive and has the highest CO2 emissions when burned?
a) Coal
b) Natural Gas
c) Oil
d) Peat
Answer: a) Coal

Question 6: In a hydroelectric power plant, what is used to generate electricity?
a) Water vapor
b) Solar panels
c) Falling water
d) Wind turbines
Answer: c) Falling water

Question 7: Which type of energy storage technology stores electrical energy in the form of chemical potential energy?
a) Batteries
b) Capacitors
c) Flywheels
d) Supercapacitors
Answer: a) Batteries

Question 8: What is the major greenhouse gas produced from burning fossil fuels?
a) Oxygen
b) Methane
c) Carbon Dioxide (CO2)
d) Nitrogen
Answer: c) Carbon Dioxide (CO2)

Question 9: What is the term for the process of converting organic materials into biofuels or biogas?
a) Photosynthesis
b) Fermentation
c) Sublimation
d) Carbonization
Answer: b) Fermentation

Question 10: Which energy source harnesses the Earth’s internal heat for electricity generation?
a) Solar
b) Geothermal
c) Tidal
d) Oil
Answer: b) Geothermal

Question 11: What is the primary energy source for the Earth’s weather and climate systems?
a) Nuclear Fusion
b) Solar Energy
c) Geothermal Energy
d) Tidal Energy
Answer: b) Solar Energy

Question 12: Which energy system utilizes the gravitational pull of the moon to generate electricity?
a) Tidal Energy
b) Biomass Energy
c) Nuclear Energy
d) Fossil Fuel Energy
Answer: a) Tidal Energy

Question 13: Which of the following is not a part of the electromagnetic spectrum used for solar power generation?
a) Ultraviolet (UV) light
b) Infrared (IR) radiation
c) X-rays
d) Visible light
Answer: c) X-rays

Question 14: What is the process by which nuclear fusion generates energy in the sun and stars?
a) Fission
b) Combustion
c) Gravity
d) E=mc²
Answer: a) Fission

Question 15: Which renewable energy source involves harnessing the kinetic energy of ocean waves to generate electricity?
a) Tidal Energy
b) Wave Energy
c) Solar Energy
d) Hydroelectric Energy
Answer: b) Wave Energy

Question 16: What is the primary greenhouse gas produced by agricultural practices, including livestock?
a) Methane (CH4)
b) Nitrous Oxide (N2O)
c) Carbon Dioxide (CO2)
d) Ozone (O3)
Answer: a) Methane (CH4)

Question 17: Which energy storage system uses spinning rotors to store kinetic energy?
a) Flywheels
b) Supercapacitors
c) Batteries
d) Compressed Air Energy Storage
Answer: a) Flywheels

Question 18: In nuclear power plants, what material is used as a moderator to slow down neutrons and maintain the nuclear chain reaction?
a) Graphite
b) Water
c) Lead
d) Uranium
Answer: b) Water

Question 19: What is the term for the energy associated with an object’s motion?
a) Potential Energy
b) Kinetic Energy
c) Thermal Energy
d) Radiant Energy
Answer: b) Kinetic Energy

Question 20: Which type of fossil fuel is a liquid hydrocarbon often used for transportation fuels?
a) Coal
b) Natural Gas
c) Oil
d) Peat
Answer: c) Oil

Question 21: What is the main function of a photovoltaic (PV) cell in a solar panel?
a) Store electrical energy
b) Convert sunlight into electricity
c) Generate thermal energy
d) Reflect sunlight
Answer: b) Convert sunlight into electricity

Question 22: What is the term for the process of converting sunlight into thermal energy for space heating and electricity generation?
a) Photovoltaics
b) Solar Concentrating
c) Solar Heating
d) Solar Cooling
Answer: c) Solar Heating

Question 23: Which of the following is not an example of a renewable energy system?
a) Geothermal Heat Pump
b) Coal-fired Power Plant
c) Solar Photovoltaic (PV) System
d) Hydroelectric Dam
Answer: b) Coal-fired Power Plant

Question 24: What is the most abundant greenhouse gas in Earth’s atmosphere?
a) Methane (CH4)
b) Nitrous Oxide (N2O)
c) Water Vapor (H2O)
d) Carbon Dioxide (CO2)
Answer: c) Water Vapor (H2O)

Question 25: Which energy source is primarily responsible for the Earth’s magnetic field and plate tectonics?
a) Geothermal
b) Solar
c) Wind
d) Biomass
Answer: a) Geothermal

Question 26: What is the term for the process of converting organic materials into a solid form of carbon that can be used as a fuel or for other applications?
a) Gasification
b) Pyrolysis
c) Fermentation
d) Carbonization
Answer: d) Carbonization

Question 27: What is the primary function of a wind turbine’s rotor blades?
a) Generate electricity
b) Capture and convert wind energy
c) Maintain balance
d) Store energy
Answer: b) Capture and convert wind energy

Question 28: Which renewable energy source relies on the temperature difference between the Earth’s surface and the upper atmosphere for power generation?
a) Wind Energy
b) Biomass Energy
c) Geothermal Energy
d) Ocean Thermal Energy Conversion (OTEC)
Answer: d) Ocean Thermal Energy Conversion (OTEC)

Question 29: In the context of electricity generation, what does CHP stand for?
a) Combined Heat and Power
b) Carbon-Neutral Hydro Power
c) Concentrated Helium Production
d) Carbon-Neutral Hydrogen Production
Answer: a) Combined Heat and Power

Question 30: Which type of fossil fuel is primarily composed of partially decayed plant matter and often found in wetlands?
a) Coal
b) Natural Gas
c) Oil
d) Peat
Answer: d) Peat

Question 31: What is the term for the energy stored in the nucleus of an atom?
a) Thermal Energy
b) Kinetic Energy
c) Nuclear Energy
d) Gravitational Energy
Answer: c) Nuclear Energy

Question 32: Which renewable energy source relies on harnessing the energy from temperature differences in the ocean?
a) Tidal Energy
b) Ocean Thermal Energy
c) Wave Energy
d) Hydroelectric Energy
Answer: b) Ocean Thermal Energy

Question 33: What is the primary energy source for fossil fuels like coal, oil, and natural gas?
a) Geothermal Energy
b) Ancient Microorganisms
c) Solar Energy
d) Volcanic Activity
Answer: b) Ancient Microorganisms

Question 34: In a solar water heater, what is the primary function of the collector?
a) Convert sunlight into electricity
b) Store heat energy
c) Absorb and transfer heat to water
d) Generate steam
Answer: c) Absorb and transfer heat to water

Question 35: What is the term for the energy associated with an object’s position or height above the ground?
a) Potential Energy
b) Kinetic Energy
c) Thermal Energy
d) Radiant Energy
Answer: a) Potential Energy

Question 36: Which energy source is often used for base-load electricity generation and produces no direct greenhouse gas emissions?
a) Wind Energy
b) Natural Gas
c) Nuclear Energy
d) Solar Energy
Answer: c) Nuclear Energy

Question 37: What is the primary greenhouse gas associated with agriculture and fertilizer use?
a) Methane (CH4)
b) Nitrous Oxide (N2O)
c) Carbon Dioxide (CO2)
d) Ozone (O3)
Answer: b) Nitrous Oxide (N2O)

Question 38: Which energy storage system uses compressed air to store energy for later use?
a) Flywheels
b) Supercapacitors
c) Batteries
d) Compressed Air Energy Storage
Answer: d) Compressed Air Energy Storage

Question 39: Which of the following energy sources relies on the conversion of heat from the Earth’s core into electricity?
a) Geothermal
b) Solar
c) Tidal
d) Biomass
Answer: a) Geothermal

Question 40: In a hydroelectric power plant, what is used to convert the kinetic energy of falling water into electricity?
a) Waterwheels
b) Steam turbines
c) Photovoltaic panels
d) Wind turbines
Answer: a) Waterwheels

Question 41: What is the primary energy source for photosynthesis in plants?
a) Wind
b) Geothermal
c) Solar
d) Fossil Fuels
Answer: c) Solar

Question 42: Which energy system is based on the conversion of kinetic energy from moving air into electrical energy?
a) Hydroelectric
b) Nuclear
c) Wind
d) Biomass
Answer: c) Wind

Question 43: In a nuclear power plant, what is the primary source of energy used to generate electricity?
a) Chemical reactions
b) Fossil Fuels
c) Nuclear reactions
d) Geothermal energy
Answer: c) Nuclear reactions

Question 44: Which fossil fuel is the most carbon-intensive and has the highest CO2 emissions when burned?
a) Coal
b) Natural Gas
c) Oil
d) Peat
Answer: a) Coal

Question 45: In a hydroelectric power plant, what is used to generate electricity?
a) Water vapor
b) Solar panels
c) Falling water
d) Wind turbines
Answer: c) Falling water

Question 46: Which type of energy storage technology stores electrical energy in the form of chemical potential energy?
a) Batteries
b) Capacitors
c) Flywheels
d) Supercapacitors
Answer: a) Batteries

Question 47: What is the major greenhouse gas produced from burning fossil fuels?
a) Oxygen
b) Methane
c) Carbon Dioxide (CO2)
d) Nitrogen
Answer: c) Carbon Dioxide (CO2)

Question 48: What is the term for the process of converting organic materials into biofuels or biogas?
a) Photosynthesis
b) Fermentation
c) Sublimation
d) Carbonization
Answer: b) Fermentation

Question 49: What is the term for the process of converting organic materials into biofuels or biogas?
a) Photosynthesis
b) Fermentation
c) Sublimation
d) Carbonization
Answer: b) Fermentation

Question 50: Which energy source harnesses the Earth’s internal heat for electricity generation?
a) Solar
b) Geothermal
c) Tidal
d) Oil
Answer: b) Geothermal