15 March 2026 Current Affairs MCQ Quiz

Research analyzing deep-sea sediment cores identified magnetic reversals lasting up to 70,000 years, which is much longer than the previously held belief of 2,000–12,000 years.

The Geodynamo is the process driven by the movement of molten iron in Earth's outer core, which generates the Earth's magnetic field.

The project at the Port of Brownsville is notable as it represents the first major new oil refinery to be constructed in the United States since 1977.

Light shale oil is a low-density, easily refinable crude trapped in tight formations at great depths, requiring horizontal drilling and hydraulic fracturing to extract.

ISA launched the Green Hydrogen and Storage Start-up Challenge 2026 to foster innovation in green hydrogen and energy storage solutions.

The 'climate penalty' refers to the situation where climate change-induced heat and rising temperatures accelerate the formation of pollutants like ground-level ozone, worsening air quality regardless of emission levels.

Surface ozone is formed at ground level when nitrogen oxides (NOx) react with Volatile Organic Compounds (VOCs) in the presence of strong sunlight and heat.

No-fault liability is a legal principle ensuring that individuals harmed by medical interventions receive relief without the burden of proving that the liable party was negligent.

Critics argue that bans lead to 'risk migration,' where children circumvent the restrictions or move to darker, unmonitored digital corners like gaming chats or encrypted platforms.

Cobalt is essential for modern technology, particularly in lithium-ion batteries for electric vehicles and mobile devices, as well as in aerospace superalloys.

The Congo River is a vital feature of the DRC and holds the distinction of being the only river in the world to cross the Equator twice.

Data indicates that train collisions are the second-largest anthropogenic cause of elephant mortality in India, following electrocution.

Nearly 80% of elephant-train accidents occur at night because elephant movement patterns coincide with periods where driver visibility is reduced.

Apollo-type asteroids are categorized as Near-Earth Asteroids because their orbital paths intersect with the orbit of the Earth.

The project utilizes microwave plasma pyrolysis, a method that splits methane into hydrogen and solid carbon without releasing CO2.

AI is integrated into the reactor system to monitor and optimize parameters in real-time, significantly increasing the yield and energy efficiency of the hydrogen production process.

BVOCs, such as isoprene and terpenes, are naturally emitted by plants and serve important roles in plant communication and responses to environmental stress.

Advanced carbon materials, such as diamond-graphene hybrid materials and carbon nanostructures, are high-value outputs of the plasma pyrolysis process that can improve project economics.

The Supreme Court linked the establishment of a no-fault compensation policy to the Right to Health, which is interpreted as a fundamental component of the Right to Life under Article 21.

Mandatory age-gating mechanisms are designed to create 'friction' that prevents minors from gaining unsupervised or automatic access to platforms, thereby increasing safety.