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MCQs - 2026-03

2471.
Which region is mentioned as actively deploying heat-resilient corals in restoration projects?
A Arctic Ocean
B Sahara Desert
C Great Barrier Reef
D Amazon Rainforest
2472.
Ocean acidification is a threat to coral reefs primarily due to its impact on:
A Coral reproduction rates
B The ability of corals to build their skeletons
C The symbiotic relationship with algae
D The color of the coral polyps
2473.
Which of the following is NOT mentioned as a persistent challenge to coral reef survival?
A Climate change
B Pollution from land-based sources
C Unsustainable fishing practices
D Overpopulation of coral predators
2474.
The '30x30' ocean protection target aims to conserve what percentage of the world's oceans by 2030?
A 10%
B 20%
C 30%
D 50%
2475.
The economic value of healthy coral reefs is estimated to be:
A Millions of dollars annually
B Billions of dollars annually
C Trillions of dollars globally
D Primarily based on scientific research value
2476.
Community-based conservation initiatives for coral reefs aim to:
A Restrict all human access to reef areas
B Empower local communities in monitoring and management
C Replace traditional fishing with aquaculture
D Focus solely on scientific research without local involvement
2477.
Microfragmentation is a technique used in coral reef restoration that:
A Breaks corals into smaller pieces for faster growth
B Attaches coral fragments to biodegradable frames
C Uses sound waves to stimulate coral growth
D Filters microplastics from reef waters
2478.
The technique of 'coral gardening' involves:
A Planting coral fragments directly onto the seabed
B Growing coral fragments in nurseries before transplanting
C Using artificial structures to attract coral larvae
D Breeding corals in laboratories for mass release
2479.
What is a key scientific advancement in coral reef restoration mentioned in the text?
A Developing heat-resistant coral strains
B Introducing genetically modified algae
C Creating artificial sunlight sources
D Increasing ocean salinity
2480.
Which international body has repeatedly highlighted the vulnerability of coral reefs to climate change?
A World Health Organization (WHO)
B Intergovernmental Panel on Climate Change (IPCC)
C United Nations Environment Programme (UNEP)
D International Union for Conservation of Nature (IUCN)