Current Affairs & MCQs
Latest Questions, Daily Updates & More

Environment & Ecology MCQs - 2026-04-06

21.
Which of the following is a direct consequence of permafrost thaw on Arctic infrastructure?
A Improved stability of buildings and roads
B Damage to buildings, roads, and pipelines
C Increased accessibility for transportation
D Enhanced insulation properties of the ground
22.
What is a potential, though low-probability, risk associated with the release of ancient microbes from permafrost?
A Increased agricultural productivity
B Emergence of novel zoonotic diseases
C Accelerated decomposition of modern organic matter
D Enhanced soil fertility for Arctic flora
23.
Besides greenhouse gases, what else is being released from thawing permafrost according to recent studies?
A Ancient human artifacts
B Volcanic ash
C Ancient microbes (bacteria and viruses)
D Radioactive isotopes
24.
What is permafrost?
A A type of Arctic vegetation
B Ground that has remained frozen for at least two consecutive years
C A migratory bird species found in the Arctic
D A geological formation unique to the Arctic Ocean floor
25.
What is 'Arctic amplification'?
A The slowing down of ocean currents in the Arctic
B The phenomenon of the Arctic region warming at a rate significantly faster than the global average
C The increase in polar bear populations due to melting ice
D The formation of new ice sheets in the Arctic
26.
The National Green Hydrogen Mission aims to decarbonize which sectors?
A Only the power generation sector
B Primarily the agricultural sector
C Hard-to-abate sectors like heavy industry and transportation
D Exclusively the residential sector
27.
What is a key economic benefit expected from the National Green Hydrogen Mission?
A Increased reliance on imported fossil fuels
B Creation of millions of green jobs and boost to domestic manufacturing
C Reduction in renewable energy generation
D Decreased export potential for clean energy technologies
28.
Which of the following is NOT a major challenge for India's Green Hydrogen Mission?
A High cost of electrolyzers
B Availability of sufficient renewable energy capacity
C Development of hydrogen storage and transportation infrastructure
D Lack of government interest and policy support
29.
India launched its National Green Hydrogen Mission in which year?
A 2021
B 2022
C 2023
D 2024
30.
What is the primary method for producing green hydrogen?
A Steam methane reforming
B Coal gasification
C Electrolysis powered by renewable energy
D Biomass gasification