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Environment & Ecology MCQs - 2026-04-02

1.
The economic implications of ocean deoxygenation are most directly felt by:
A The technology sector.
B The tourism industry.
C Fisheries and coastal communities.
D The aviation industry.
2.
Besides impacting marine life, ocean deoxygenation can also affect the global climate by:
A Increasing the ocean's capacity to absorb CO2.
B Potentially increasing emissions of nitrous oxide, a potent greenhouse gas.
C Cooling the planet's surface.
D Reducing the formation of clouds.
3.
What are the 'dead zones' in the ocean?
A Areas with extremely high oxygen concentrations.
B Areas with very low oxygen concentrations where marine life struggles to survive.
C Areas completely devoid of water.
D Areas with high levels of plastic pollution but sufficient oxygen.
4.
Which of the following are the main drivers of ocean deoxygenation?
A Increased volcanic activity and seismic shifts.
B Rising sea temperatures and nutrient runoff.
C Deforestation and desertification.
D Increased solar radiation and atmospheric pressure.
5.
What is the primary phenomenon referred to as 'ocean deoxygenation'?
A The increase of oxygen levels in the ocean.
B The decrease of oxygen levels in the ocean.
C The acidification of ocean waters.
D The warming of ocean currents.
6.
Failure to implement the GBF effectively could lead to:
A Increased availability of natural resources.
B Irreversible biodiversity loss and ecological instability.
C A decrease in global temperatures.
D Enhanced food security worldwide.
7.
The GBF emphasizes the importance of respecting the rights and livelihoods of:
A Large corporations.
B Indigenous peoples and local communities.
C International tourists.
D Government officials only.
8.
Which of the following is identified as a major challenge in implementing the GBF?
A Lack of scientific understanding of biodiversity.
B Securing adequate financial resources.
C Overabundance of protected areas.
D Low public interest in conservation.
9.
The '30x30' target within the GBF refers to:
A Reducing greenhouse gas emissions by 30% by 2030.
B Protecting at least 30% of land and sea by 2030.
C Restoring 30% of degraded ecosystems by 2030.
D Increasing global forest cover by 30% by 2030.
10.
What is the primary objective of the Kunming-Montreal Global Biodiversity Framework (GBF)?
A To promote industrial growth.
B To halt and reverse biodiversity loss by 2030.
C To regulate international trade.
D To develop new space exploration technologies.