Defence GK Questions 2026

This department belongs to the Ministry of Jal Shakti, not to the Ministry of Home Affairs. The Ministry of Jal Shakti was formed in 2019 by merging the Ministry of Water Resources, River Development and Ganga Rejuvenation with the Ministry of Drinking Water and Sanitation.

Indian monsoon rain is shaped by relief, varies widely by region and season, and falls in heavy bursts, but its onset and withdrawal are not regular.

Lactobacillus turns the lactose sugar of milk into lactic acid, which sours the milk and makes it set into curd.

The lander of Chandrayaan-2 was named Vikram after Vikram Sarabhai, the father of India's space programme. Chandrayaan-2 was launched by ISRO on 22 July 2019 on a GSLV Mk III rocket from Sriharikota.

On heating, sodium bicarbonate releases carbon dioxide gas, whose bubbles make dough rise and turn cakes and bread soft and spongy.

Article 51A, the only article in Part IV-A, lists the Fundamental Duties of every citizen of India. The Fundamental Duties were added by the 42nd Amendment of 1976 on the recommendation of the Swaran Singh Committee, and the idea was borrowed from the Constitution of the former USSR.

The speed of sound in air increases, not decreases, as temperature rises, so statement B is the incorrect one. Sound in a gas travels faster when the gas is warmer, because its molecules move faster and pass the vibration on more quickly.

The bulb's resistance stays the same, and since power varies as the square of voltage, halving the voltage cuts the power to one-fourth.

Why Bharat Matters, published in 2024, was written by S. Jaishankar, who wrote it while serving as India's External Affairs Minister.

Strain is a ratio of two lengths (or two volumes), so its units cancel and it has no dimensions. When a force deforms a body, strain measures the fractional change in its shape or size.

BrahMos is indeed a joint DRDO-NPOM missile, but the IRRPL factory at Korwa is in Uttar Pradesh, not Madhya Pradesh.

The 52nd Amendment Act of 1985 added the Tenth Schedule, which holds the anti-defection law.

Going by their states, Uttarakhand lies furthest north, then Rajasthan, then Odisha, and Kerala lies furthest south.

Probiotics are live, helpful microbes taken in food or supplements to improve the balance of bacteria in the gut. The word means "for life", the opposite of antibiotic, "against life".

Gulbadan Begum, a daughter of Babur, wrote the Humayun Nama, an account of the life of her half-brother Humayun. Gulbadan Begum wrote the book in Persian at the request of her nephew Akbar, who wanted material for the official history of his reign, the Akbarnama of Abul Fazl.

Tavernier was a French gem merchant, not Dutch, so this pair is wrong. Jean Baptiste Tavernier travelled to India six times between about 1640 and 1667, during the reigns of Shah Jahan and Aurangzeb.

A positive power means a converging (convex) lens, and f = 1/P = 1/2 = 0.5 m. The power of a lens is the reciprocal of its focal length in metres: P = 1/f. Its SI unit is the dioptre (D), and 1 D is the power of a lens…

The Speaker does not vote in the first instance; under Article 100 the Speaker has only a casting vote when there is a tie.

Using kinetic energy = ½mv² with the mass in kilograms gives a speed of exactly 10 m/s. First convert the mass to SI units: 2000 g = 2 kg.

SONAR sends out ultrasonic pulses and times their echo from underwater objects. SONAR stands for Sound Navigation and Ranging.