CSS - PMS - CCE - PCS - General Science
Earthquakes
Which instrument records ground motion from earthquakes?
A. Calorimeter
B. Hygrometer
C. Seismograph or seismometer
D. Barometer
Correct Answer: C
Seismometers detect and record seismic waves.
CSS - PMS - CCE - PCS - General Science
Earthquakes
What is the epicenter?
A. The point on Earth's surface directly above the focus
B. The deepest point in Earth
C. A fault that never moves
D. The center of a tectonic plate always
Correct Answer: A
The epicenter is the surface projection of the hypocenter.
CSS - PMS - CCE - PCS - General Science
Earthquakes
What is the focus or hypocenter of an earthquake?
A. The center of the ocean
B. Any seismic station
C. The point inside Earth where rupture begins
D. The point on the surface directly above it
Correct Answer: C
The focus is the subsurface origin of seismic rupture.
CSS - PMS - CCE - PCS - General Science
Earthquakes
What is an earthquake?
A. A type of cloud
B. Sudden ground shaking caused by rapid release of energy in Earth's crust
C. A daily ocean tide
D. Slow soil formation only
Correct Answer: B
Earthquakes generate seismic waves when stored elastic strain is released.
CSS - PMS - CCE - PCS - General Science
Renewable Energy Resources
Which renewable source is linked to predictable gravitational interactions involving the Moon and Sun?
A. Wind
B. Geothermal
C. Tidal energy
D. Biomass
Correct Answer: C
Tides are driven mainly by gravitational forces of the Moon and Sun.
CSS - PMS - CCE - PCS - General Science
Renewable Energy Resources
Why are renewable energy sources important for climate mitigation?
A. They create carbon from nothing
B. They always eliminate every environmental impact
C. They can provide energy with much lower operational greenhouse-gas emissions than fossil fuels
D. They increase coal use automatically
Correct Answer: C
Replacing fossil-fuel energy with low-carbon renewables can substantially cut emissions.
CSS - PMS - CCE - PCS - General Science
Renewable Energy Resources
Which technology can store surplus electricity for later use?
A. A thermometer
B. Battery energy storage
C. A barometer
D. A microscope
Correct Answer: B
Batteries can absorb electrical energy and discharge it when needed.
CSS - PMS - CCE - PCS - General Science
Renewable Energy Resources
What is one limitation of solar and wind power?
A. They require fossil fuel as the energy source
B. They produce no usable energy
C. Their output is variable and depends on weather and time
D. They can never generate electricity
Correct Answer: C
Variable renewable generation often requires grid flexibility, storage or complementary generation.
CSS - PMS - CCE - PCS - General Science
Renewable Energy Resources
Which renewable source relies on organic material such as crop residues or wood?
A. Biomass
B. Coal
C. Natural gas
D. Nuclear fission
Correct Answer: A
Biomass energy comes from recently living organic material.
CSS - PMS - CCE - PCS - General Science
Renewable Energy Resources
Which resource uses heat from Earth's interior?
A. Tidal energy
B. Wind energy
C. Solar photovoltaic
D. Geothermal energy
Correct Answer: D
Geothermal systems tap underground heat for electricity or direct heating.
CSS - PMS - CCE - PCS - General Science
Renewable Energy Resources
Which renewable source uses the energy of flowing or falling water?
A. Hydropower
B. Solar thermal
C. Wind
D. Geothermal
Correct Answer: A
Hydroelectric systems convert water's potential and kinetic energy into electricity.
CSS - PMS - CCE - PCS - General Science
Renewable Energy Resources
What drives wind energy?
A. Moving air caused largely by uneven solar heating and atmospheric pressure differences
B. Tides only
C. Earth's core alone
D. Radioactivity only
Correct Answer: A
Solar heating and Earth's rotation help create wind patterns.
CSS - PMS - CCE - PCS - General Science
Renewable Energy Resources
Which energy source converts sunlight directly into electricity using semiconductor cells?
A. Solar photovoltaic energy
B. Geothermal only
C. Hydropower
D. Biomass combustion
Correct Answer: A
Photovoltaic cells generate electric current from light.
CSS - PMS - CCE - PCS - General Science
Renewable Energy Resources
What is a renewable energy resource?
A. Only petroleum
B. An energy source replenished naturally on human time scales
C. Any fuel that can be burned once
D. Only coal
Correct Answer: B
Renewable resources are naturally renewed, such as sunlight, wind and flowing water.
CSS - PMS - CCE - PCS - General Science
Paris Climate Change
Which UN body provides the treaty framework under which the Paris Agreement operates?
A. Interpol
B. UNESCO
C. UNFCCC
D. ICAO
Correct Answer: C
The Paris Agreement is a treaty under the United Nations Framework Convention on Climate Change.
CSS - PMS - CCE - PCS - General Science
Paris Climate Change
When did the Paris Agreement enter into force?
A. 2015 before adoption
B. 2016
C. 1997
D. 2022
Correct Answer: B
The agreement entered into force on 4 November 2016 after its ratification threshold was met.
CSS - PMS - CCE - PCS - General Science
Paris Climate Change
What principle allows countries to set their own national climate contributions?
A. No reporting requirements
B. Private-company rule only
C. National determination within a common international framework
D. Identical emissions quotas for every country automatically
Correct Answer: C
The agreement combines nationally determined action with transparency and global review.
CSS - PMS - CCE - PCS - General Science
Paris Climate Change
What is the global stocktake?
A. A trade inventory only
B. A count of global companies
C. A periodic assessment of collective progress toward Paris Agreement goals
D. A census of oceans
Correct Answer: C
The global stocktake evaluates collective implementation and informs future actions.
CSS - PMS - CCE - PCS - General Science
Paris Climate Change
How often are countries expected to communicate new or updated NDCs under the Paris cycle?
A. Every five years
B. Every month
C. Every ten decades
D. Only once
Correct Answer: A
The Paris Agreement establishes a five-year ambition cycle.
CSS - PMS - CCE - PCS - General Science
Paris Climate Change
What are NDCs under the Paris Agreement?
A. Nuclear disarmament committees
B. National debt certificates
C. Nationally determined contributions outlining each country's climate actions
D. Natural disaster coordinates
Correct Answer: C
Countries submit and update NDCs describing mitigation and often adaptation actions.