Environment & Ecology MCQs

1.

What is a key strategy for managing invasive alien species?

A Encouraging their introduction for ecological novelty

B Strengthening biosecurity measures and rapid response systems

C Allowing them to spread freely to achieve natural balance

D Focusing solely on the conservation of endangered species

2.

Which of the following is a significant impact of invasive alien species on ecosystems?

A Increased genetic diversity of native species

B Outcompeting native species and disrupting food webs

C Enhancing the resilience of native ecosystems

D Reducing the rate of natural selection

3.

How does climate change exacerbate the threat of invasive alien species?

A By making native species more resistant to invasion

B By creating more favorable conditions for IAS to establish and spread, and weakening native ecosystems

C By reducing the overall number of species globally

D By increasing the rate of natural selection for native species

4.

What are 'invasive alien species' (IAS)?

A Native species that have become overpopulated

B Organisms introduced into an environment outside their natural range that cause harm

C Species that have gone extinct in their native habitat

D Genetically modified organisms developed for agriculture

5.

What defines a 'biodiversity hotspot'?

A An area with a high concentration of human population

B A region with exceptionally high levels of endemic species that is also under significant threat

C An area with abundant natural resources for economic exploitation

D A region with a stable and unchanging climate

6.

The 'Storage' component of CCUS typically involves:

A Releasing CO2 back into the atmosphere

B Storing CO2 underground in geological formations

C Converting CO2 into solid carbon nanoparticles

D Dissolving CO2 in large bodies of freshwater

7.

Which of the following is NOT a common application for the utilization of captured CO2?

A Production of sustainable fuels

B Manufacturing of building materials

C Enhancing agricultural yields through direct atmospheric application

D Creation of industrial chemicals

8.

What is 'Direct Air Capture' (DAC) in the context of CCUS?

A Capturing CO2 directly from the exhaust of vehicles

B Capturing CO2 directly from the ambient atmosphere

C Capturing CO2 from underground natural gas reserves

D Capturing CO2 during the process of burning biomass

9.

Which of the following is a primary source from which CO2 is captured in traditional CCUS systems?

A Volcanic eruptions

B Power plants and industrial facilities

C Oceanic outgassing

D Photosynthesis by plants

10.

What does CCUS stand for in the context of climate change mitigation?

A Carbon Conversion, Utilization, and Sequestration

B Carbon Capture, Utilization, and Storage

C Climate Control, Utility, and Sustainability

D Combustion Control, Upgrading, and Supply

Environment & Ecology MCQs - 2026-04-07