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Environment & Ecology MCQs - 2026-04-01

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101.
For the success of global coral reef restoration efforts, what is considered crucial?
A Sole reliance on technological advancements
B A coordinated global response encompassing science, policy, and community engagement
C Increased fishing activities to stimulate reef growth
D Focusing solely on the Great Barrier Reef
102.
The concept of 'assisted evolution' in coral restoration aims to:
A Introduce new species of algae to the reef ecosystem
B Develop corals better adapted to warmer waters
C Create artificial coral structures that mimic natural formations
D Increase the reproductive rate of existing coral populations
103.
The role of healthy coral reefs in coastal protection is described as:
A Enhancing the impact of tsunamis
B Acting as natural barriers against storm surges and erosion
C Increasing the salinity of coastal waters
D Promoting the growth of invasive seaweed species
104.
Emerging technologies in coral reef monitoring mentioned include the use of:
A Submarines equipped with sonar
B Satellite imagery with advanced spectral analysis
C Drones
D Acoustic sensors deployed in deep trenches
105.
Which of the following is considered a root cause of ocean warming, according to the text?
A Increased solar radiation
B Deforestation of coastal mangroves
C Mitigation of greenhouse gas emissions
D Aggressive mitigation of greenhouse gas emissions
106.
The IPCC has warned that a global temperature rise of 1.5°C poses a severe threat to:
A The majority of coral reefs worldwide
B Arctic sea ice extent
C Amazon rainforest biodiversity
D Desertification in arid regions
107.
According to the provided text, what is a significant economic implication of coral reef degradation?
A Increased demand for synthetic building materials
B Reduced opportunities for tourism and fisheries
C A surge in the aquaculture industry
D Decreased reliance on renewable energy sources
108.
The Coral Triangle is highlighted for its:
A Abundance of deep-sea hydrothermal vents
B High concentration of polar bear populations
C Exceptional marine biodiversity
D Significant oil and gas reserves
109.
The 'coral gardening' technique mentioned in the context of coral reef restoration involves:
A Planting artificial coral structures on the seabed
B Growing coral fragments in nurseries before transplanting them
C Using genetically modified corals to resist bleaching
D Creating artificial reefs using recycled materials
110.
Which of the following is a primary driver for the accelerated global efforts in coral reef restoration observed in early 2026?
A Increased volcanic activity in oceanic regions
B Escalating ocean temperatures and coral bleaching events
C Discovery of new coral species with medicinal properties
D A decline in global fishing quotas
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