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MCQs 2026

671.
Which ministry in India is primarily responsible for the National Green Hydrogen Mission?
A Ministry of Power
B Ministry of Environment, Forest and Climate Change
C Ministry of New and Renewable Energy (MNRE)
D Ministry of Petroleum and Natural Gas
672.
What is the primary objective of India's National Green Hydrogen Mission as of early 2026?
A To increase coal-based power generation
B To make India a global hub for green hydrogen production and export
C To promote the use of natural gas in industries
D To reduce the reliance on solar energy
673.
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
674.
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
675.
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
676.
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
677.
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
678.
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
679.
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
680.
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