NDA GK Questions 2026

The speed of light in a medium is inversely proportional to its refractive index, so the ratio of speeds is the inverse ratio of the refractive indices.

The Tharu are a tribe of the Terai, the foothill belt along the Nepal border, and live mainly in Uttarakhand, Uttar Pradesh and Bihar, not in Madhya Pradesh.

At about 1,684 km, the Kolkata–Chennai arm along the east coast is the longest of the four sides of the Golden Quadrilateral.

Warm sea water, moist air and an unstable atmosphere are the conditions a tropical cyclone needs in order to be born.

Muhammad Husayn Kashmiri, the finest calligrapher at Akbar's court, was given the title "Zarrin Kalam", meaning Golden Pen. Calligraphy was the most honoured art at the Mughal court, and Akbar ran a large imperial workshop where manuscripts were copied, painted and bound.

The Mekong river ends in a vast delta in southern Vietnam, where it splits into many channels before entering the South China Sea.

Kandukuri Viresalingam saw education for all, including girls, as the base of social reform. Viresalingam (1848–1919) was the leading social reformer of Andhra in the nineteenth century and is often called the father of the Telugu renaissance.

Dolomite is a sedimentary rock, not an igneous one; it forms from layers of carbonate deposits laid down in water.

Among the four states given, Tamil Nadu has by far the longest coastline, stretching from Pulicat Lake in the north to Kanyakumari in the south.

He led the no-tax campaign of the peasants of Bardoli taluka in Gujarat against an unjust rise in land revenue.

India stretches across about 30 degrees of longitude, and every degree makes a difference of four minutes in local time.

Herbert Hope Risley, Home Secretary to the Government of India, wrote these words in an official note in December 1904.

Sulphur dioxide dissolves in rainwater to form sulphuric acid, a main cause of acid rain. Burning coal and oil in power stations, smelters and vehicles releases sulphur dioxide and oxides of nitrogen into the air.

The Congress did support the Khilafat movement, so this statement does not describe it. After the First World War, Indian Muslims feared that the Allies would strip the Ottoman Sultan, the Khalifa, of his power and of control over the holy places of Islam.

The first Administrative Reforms Commission recommended a Lokpal and Lokayuktas in its 1966 report. The first ARC, set up in 1966 under Morarji Desai and later chaired by K. Hanumanthaiya, submitted an interim report on the Problems of Redressal of Citizens' Grievances.

With the leaders in jail, people in several regions set up their own governments. The Quit India resolution was passed at the Bombay session of the Congress on 8 August 1942, with Gandhi's call of Do or Die.

Surya Sen was a schoolteacher in Chittagong, not a lawyer in Dhaka, so statement B is not correct. Surya Sen, called Masterda by his followers, taught mathematics at a school in Chittagong.

In it Ashoka says plainly that he has been a lay follower (upasaka) of the Buddha. Minor Rock Edict 1 is found at places such as Maski, Brahmagiri, Rupnath, Sasaram and Gujarra.

The Philosophy of the Bomb was drafted by Bhagwati Charan Vohra of the Hindustan Socialist Republican Association, and Yashpal worked on it with him.

Nagara temples belong to north India, but their shikhara is curvilinear, not pyramidal. The Nagara style spread over the land between the Himalayas and the Vindhyas, from Gujarat and Rajasthan to Odisha.