Environment & Ecology MCQs

21.

The use of SAFs contributes to reducing the aviation sector's:

A Noise pollution

B Carbon footprint

C Operational costs

D Safety record

22.

Which of the following is NOT mentioned as a driver for SAF adoption?

A Regulatory pressures

B Corporate sustainability goals

C Decreasing demand for air travel

D Growing consumer demand for greener travel

23.

The long-term vision for SAFs is for them to become:

A A supplementary fuel source

B The primary fuel source for aviation

C A fuel for ground transportation

D An experimental fuel for space travel

24.

Governments are implementing what measures to accelerate SAF adoption?

A Increased taxes on SAFs

B Incentives and mandates

C Restrictions on renewable energy use

D Reduced funding for research

25.

What is considered a significant challenge in meeting the aviation industry's demand for SAFs?

A The need to scale up SAF production

B A surplus of conventional jet fuel

C A decline in air travel

D The low cost of SAFs

26.

Which of the following are exploring novel feedstocks and advanced production pathways for SAFs?

A Fossil fuel companies

B Research and development efforts

C Traditional agricultural practices

D Mining operations

27.

What is a major challenge for SAFs despite their growing adoption?

A Lack of demand from airlines

B Higher cost compared to conventional jet fuel

C Limited availability of renewable feedstocks

D Incompatibility with existing aircraft

28.

What is a key advantage of SAFs for use in existing aircraft?

A They require significant engine modifications

B They can be blended with conventional jet fuel and used without major changes

C They are significantly cheaper than conventional jet fuel

D They are only suitable for short-haul flights

29.

Which of the following are examples of renewable feedstocks used to produce SAFs?

A Crude oil and natural gas

B Used cooking oil, agricultural waste, and forestry residues

C Coal and nuclear waste

D Synthetic plastics

30.

What are Sustainable Aviation Fuels (SAFs) primarily recognized as in early 2026?

A A replacement for all forms of transportation fuel

B A critical pathway to decarbonize the aviation sector

C A niche fuel for experimental aircraft

D A source of increased greenhouse gas emissions

Environment & Ecology MCQs - 2026-04-01