UPSC GK Questions 2026

By mass, an adult human body has the most oxygen, then carbon, hydrogen and nitrogen. Oxygen makes up about 65 percent of body mass, carbon about 18 percent, hydrogen about 10 percent and nitrogen about 3 percent.

The Great Himalayan area in Himachal Pradesh is a national park, not a biosphere reserve. The Great Himalayan National Park lies in Kullu district of Himachal Pradesh.

Near the horizon, sunlight crosses a much thicker layer of air, and scattering removes most of the blue light before it reaches us.

The glass of a glowing bulb is heated mainly by radiation from the white-hot filament, not by convection. Conduction passes heat through a solid from particle to particle, convection carries heat by the actual movement of a fluid, and radiation sends heat as electromagnetic waves that need no medium.

The sub-prime crisis was the collapse of risky American home loans in 2007 and 2008 that set off the worldwide Great Recession.

A normal demand curve slopes downward from left to right, so its slope is negative. The law of demand says that, other things remaining the same, the quantity demanded of a good rises when its price falls and falls when its price rises.

Both the North Atlantic Drift and the Brazil Current carry warm water from low latitudes towards higher latitudes. As a rule, currents that flow from the equator towards the poles are warm, and those that flow from the poles towards the equator are cold.

Mercury, Venus, Earth and Mars are called terrestrial planets because, like the earth, they are made of rock and metal.

The Ten Degree Channel, which runs along roughly the 10° North parallel, separates the Andaman group from the Nicobar group.

. Insurance is in the Union List of the Seventh Schedule, so the statement that it is not there is incorrect.

Dhamma is Ashoka's moral code, not one of the seven limbs of the state listed in Kautilya's Arthashastra. Kautilya, the minister of Chandragupta Maurya, compared the state to a body with seven limbs, or angas.

Structural unemployment arises when the structure of the economy changes, through new technology or a lasting shift in what people buy, and workers' skills no longer match the jobs available.

Statements 1 and 4 are true, while 2 and 3 are false. After the Gandhi-Irwin Pact of March 1931, Gandhi attended the Second Round Table Conference in London (September to December 1931) as the sole Congress representative.

All three factors shape the general circulation of the atmosphere, which is why UPSC's official key gives D. Planetary winds are the trade winds, the westerlies and the polar easterlies.

Joining a program to the library routines it calls is the job of a linker, a separate system utility, not of the operating system.

The Kuroshio is a warm current that flows north-east along the east coast of Japan, carrying warm tropical water from the North Equatorial Current.

Chalk is a soft, white limestone built up from the tiny calcium carbonate shells of marine micro-organisms, so it is an organically formed sedimentary rock.

South-east China has a warm, humid subtropical climate with rain in every season, and its natural vegetation is broadleaf evergreen forest of the subtropics.

This statement is false: GPS was built by the United States for its military, but it has been open to civilian users worldwide for decades.

Statements 1 and 2 are correct, but statement 3 is wrong because the convection cells that drive plate movement lie in the mantle, not in the crust.