UPSC CAPF GK Questions 2026

Dhaka, famous for its fine muslin, lost its trade and population after the mid-eighteenth century as the East India Company's rule and cheap British cloth destroyed its textile industry.

A bus is the shared set of electrical lines on the motherboard that carries data, addresses and control signals between the CPU, memory and input-output devices.

SONAR sends out pulses of high-frequency sound, above 20 kHz, which travel well through water and bounce back from objects.

Lithuania is a Baltic state to the north of Belarus, and Belarus lies between it and Ukraine, so the two never touch.

NLP is the branch of artificial intelligence that lets computers understand, interpret and produce human language. Artificial intelligence covers systems that perform tasks normally needing human intelligence, such as learning, reasoning and understanding speech or text.

The investment multiplier equals 1 ÷ (1 − MPC), so the smaller the share of extra income people spend, the smaller the multiplier.

Tax Inspectors Without Borders is a joint initiative of the United Nations Development Programme and the Organisation for Economic Co-operation and Development.

Released by IBM in 1957, Fortran is the oldest of the four and is often called the first widely used high-level programming language.

When calcium carbide reacts with water it gives acetylene (ethyne) gas and calcium hydroxide, not hydrogen. The reaction CaC₂ + 2H₂O → C₂H₂ + Ca(OH)₂ is the old method of making acetylene, once burnt in miners' lamps and still used for welding and for ripening fruit illegally.

The quantity demanded falls by 50% while the price rises by 50%, and 50 divided by 50 gives a price elasticity of 1.

All four are high-performance computing systems built or installed in India for research, weather forecasting and artificial intelligence. PARAM Siddhi-AI was built by C-DAC under the National Supercomputing Mission and is installed at C-DAC, Pune.

Both beams carry conventional current in the same direction, north to south, and parallel currents in the same direction attract each other.

Petroleum ether is a solvent and petroleum jelly is spread on metal surfaces as a protective coating, while the uses given for petroleum wax and white spirit have been swapped around.

The team worked out that the structure responsible had to be rotating together with the pulsar, and the stream fits that description: as it swings between the pulsar and the observing satellite, the direct radiation from the pulsar weakens while the light re-emitted by the stream strengthens, producing the variation…

In such pairs the companion is a massive star that sheds a strong wind, and the pulsar ordinarily feeds on that wind as it passes, so an orderly disk of matter is not expected.

The group examined four secondary emission lines from the system and concluded that the structure causing those lines to vary must be turning along with the pulsar, which pointed them to the accretion stream and therefore to a disk feeding it.

All three statements correctly describe the Sanyasi and Faqir risings in late 18th-century Bengal and Bihar. After the Battle of Plassey and the grant of Diwani in 1765, heavy revenue demands and the terrible Bengal famine of 1770 hurt peasants and wandering ascetics alike.

Article 371G protects the ownership and transfer of land in Mizoram, not of natural resources in general. Article 371G was added by the 53rd Amendment Act, 1986, when Mizoram became a state after the Mizo Peace Accord.

A monopolist restricts output and charges a higher price, so it does not produce the efficient level of output. A monopoly is a single seller of a product with no close substitutes and strong barriers to entry.

The Good Governance Index (GGI) was designed by the Government of India to compare governance across States and Union Territories.