Green Tech Innovations: Quiz on Cutting‑Edge Climate Solutions
Published Jun 29, 2026 · Updated Jul 16, 2026 · Editorial Team
Test your knowledge of the latest green technologies shaping the fight against climate change.
❓ 10 Questions
⏱️ 5 Minutes
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Question 1 of 100 correct
⏱️ 05:00
QUESTION 1
Which renewable energy source saw the largest percentage increase in global installed capacity in 2023?
All Questions in This Quiz
Here is every question waiting for you in this 10-question Science & Tech quiz. Play it in the interactive player above to lock in your answers, see your score and read the explanations.
Which renewable energy source saw the largest percentage increase in global installed capacity in 2023?
- A. Solar photovoltaics
- B. Onshore wind
- C. Hydropower
- D. Geothermal
What is the primary advantage of perovskite solar cells over traditional silicon cells?
- A. Higher theoretical efficiency above 30%
- B. Lower manufacturing cost due to solution processing
- C. Longer operational lifetime
- D. Better performance at low temperatures
Which technology captures CO₂ directly from the atmosphere and converts it into a solid building material?
- A. Carbon Capture and Storage (CCS)
- B. Direct Air Capture (DAC) with mineralization
- C. Biochar production
- D. Blue hydrogen synthesis
What is the main environmental benefit of using green hydrogen produced by electrolysis powered with renewable electricity?
- A. Zero water consumption
- B. Elimination of CO₂ emissions from hydrogen production
- C. Higher energy density than fossil fuels
- D. No need for storage infrastructure
Which of the following smart‑grid technologies helps balance variable renewable generation by shifting demand in real time?
- A. Frequency regulation via pumped hydro
- B. Time‑of‑use tariffs
- C. Demand‑response automation
- D. Voltage sag mitigation
In ocean‑based carbon removal, what role do seaweed farms play?
- A. They absorb CO₂ and can be harvested for biofuel
- B. They increase ocean alkalinity directly
- C. They reflect sunlight to cool surface waters
- D. They trap methane bubbles on the seafloor
Which material is being researched as a low‑cost, high‑performance alternative to rare‑earth magnets in wind turbine generators?
- A. Ferrite composites
- B. Aluminium‑copper alloys
- C. Carbon‑nanotube composites
- D. Silicon‑iron steel
What is a key advantage of using solid‑state batteries in electric vehicles for climate mitigation?
- A. They can be charged in seconds
- B. They use abundant sodium instead of lithium
- C. Higher energy density reduces vehicle weight and thus energy use
- D. They are fully recyclable with current infrastructure
Which emerging agricultural practice reduces methane emissions from rice paddies while maintaining yields?
- A. Continuous flooding
- B. Alternate wetting and drying (AWD)
- C. Increasing nitrogen fertilizer rates
- D. Planting deep‑water rice varieties
What is the purpose of “grid‑forming inverters” in renewable energy systems?
- A. To convert DC to AC at higher voltages
- B. To allow solar and wind farms to operate without a traditional utility grid
- C. To store excess energy in batteries
- D. To provide frequency modulation for fossil‑fuel plants
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Editorial Team
Editorial Team
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