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MCQs - 2026-04

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5281.
The 'Bonn Challenge' is a global effort aimed at restoring:
A 35 million hectares of degraded and deforested land by 2030
B 350 million hectares of degraded and deforested land by 2030
C 1 billion hectares of degraded and deforested land by 2050
D 500 million hectares of degraded and deforested land by 2040
5282.
What is the primary emphasis of global reforestation efforts in early 2026?
A Planting monocultures of fast-growing exotic species
B Planting diverse native species for biodiversity and climate resilience
C Focusing solely on timber production
D Clearing existing forests for agricultural expansion
5283.
The conversion of captured CO2 into synthetic fuels is often done in conjunction with:
A Coal combustion
B Renewable hydrogen
C Natural gas extraction
D Nuclear fission
5284.
What are some of the challenges that remain for CCU technologies?
A Low energy intensity and readily available markets
B High cost of CO2 capture and lack of demand for products
C Energy intensity of some processes and the need for scaling up
D Abundant supply of renewable hydrogen
5285.
What is essential for the long-term sustainability of CCU technologies?
A A decline in the demand for CO2-derived products
B The development of robust markets for CO2-derived products
C Increased government subsidies for fossil fuels
D A reduction in research and development funding
5286.
What is considered key to maximizing the climate benefits of CCU?
A Integration with fossil fuel extraction
B Integration with renewable energy sources
C Reducing the efficiency of CO2 capture
D Limiting the production of CO2-derived products
5287.
What is a crucial aspect to ensure the overall environmental benefit of CCU is positive?
A Ignoring the energy inputs of the process
B Focusing solely on the captured CO2
C Conducting Life Cycle Assessments (LCAs)
D Increasing the use of fossil fuels in the process
5288.
Which industrial sectors are identified as 'hard-to-abate' and could benefit significantly from CCU?
A Agriculture and healthcare
B Cement, steel, and chemicals
C Information technology and finance
D Tourism and hospitality
5289.
The utilization of CO2 in the production of concrete offers a dual benefit of:
A Increased pollution and resource depletion
B Carbon sequestration and resource efficiency
C Higher energy consumption and waste generation
D Reduced demand for renewable energy
5290.
Recent breakthroughs in CCU include the development of:
A Less efficient sorbent materials for CO2 capture
B More efficient and cost-effective sorbent materials for CO2 capture
C Processes that increase CO2 emissions
D Technologies that solely focus on CO2 storage