NDA GK Questions 2026

The OPCW is the independent global body that implements the Chemical Weapons Convention; it is not an organ of the European Union.

The pact invited the Congress to the Round Table Conference, withdrew the emergency ordinances and released non-violent prisoners, but it did not grant an enquiry into police excesses.

The equator crosses none of these three water bodies; in Africa it passes through Lake Victoria, not Lake Tanganyika.

Of the six countries listed, the Andes pass through Bolivia, Colombia, Ecuador and Venezuela, but not through Brazil or Paraguay.

Mallikarjun Mansur (1910–1992) of Dharwad was one of the leading Khayal singers of this gharana. The Jaipur-Atrauli gharana was founded by Ustad Alladiya Khan in the late nineteenth century.

This statement is wrong: the gravitational force between two bodies depends on their masses and on the distance between them.

Three parts of oxygen-16 and one part of oxygen-18 give an average of (3 × 16 + 1 × 18) ÷ 4 = 66 ÷ 4 = 16.5 u. Isotopes are atoms of the same element with the same atomic number but different mass numbers, because they have different numbers…

In boiling, bubbles of vapour form throughout the liquid; in evaporation, only molecules at the surface escape.

The All Parties Conference of 1928 set up a committee under Motilal Nehru, and its draft constitution is known as the Nehru Report.

Gypsum (calcium sulphate dihydrate) is not a raw material for glass; it is added to cement to slow down its setting.

Severability is a doctrine used by courts to interpret laws, not a writ. Under Article 32 the Supreme Court, and under Article 226 the High Courts, can issue five writs: habeas corpus, mandamus, prohibition, certiorari and quo warranto.

Bacteria turn the lactose in milk into lactic acid, a new substance, so souring is a chemical change that cannot be reversed.

One kilowatt-hour is the energy used by a 1 kW appliance running for one hour: 1000 W × 3600 s = 3.6 × 10⁶ J. The joule is too small for household bills, so electricity companies charge in kilowatt-hours, commonly called units.

The rocky planets are dense, the gas giants are light, and Saturn is the least dense planet of all. Earth is the densest planet in the Solar System at about 5.5 g/cm³, with Venus close behind at about 5.2 g/cm³; both are made of rock and metal.

This is the thermite reaction, which is highly exothermic: it gives out so much heat that the iron formed comes out molten.

Article 191(1)(a) disqualifies a person who holds an office of profit under the Government of India or the Government of any State.

X-rays have wavelengths from about 0.01 nm to 10 nm, so 1 nm lies well inside the X-ray band. In the electromagnetic spectrum, wavelength decreases from radio waves through microwaves, infrared, visible light and ultraviolet to X-rays and gamma rays.

Dadabhai Naoroji founded it in London in 1866 to put the Indian point of view before the British public and Parliament.

The element with atomic number 8 is oxygen, which gains two electrons to complete its octet and forms sodium oxide, Na₂O. Oxygen's electrons are arranged as 2, 6, so it needs two more to reach the stable arrangement 2, 8 of neon.

Chemical energy is the energy stored in the bonds that link atoms together in molecules. When a chemical reaction breaks old bonds and forms new ones, this stored energy is released or absorbed.