Environment & Ecology MCQs

61.

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

62.

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

63.

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

64.

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

65.

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

66.

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

67.

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

68.

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

69.

Which of the following are examples of products that can be made from captured CO2 using CCU technologies?

A Plastic waste and toxic chemicals

B Synthetic fuels, chemicals, and building materials

C Radioactive waste and heavy metals

D Ozone-depleting substances

70.

What is the primary goal of Carbon Capture and Utilization (CCU) technologies?

A To increase the release of CO2 into the atmosphere

B To capture CO2 emissions and convert them into valuable products

C To extract more fossil fuels from the earth

D To promote the use of carbon-based fuels

Environment & Ecology MCQs - 2026-04-01