NDA GK Questions 2026

Sound needs a material medium to travel, and in air its particles vibrate back and forth along the direction the wave moves.

In a metal, the outer electrons of the atoms are not tied to any one atom and drift through the lattice when a voltage is applied, carrying the current.

Cultural cooperation is not one of the five principles of Panchsheel. Panchsheel, the Five Principles of Peaceful Coexistence, was set out in the agreement on trade and intercourse between India and the Tibet region of China, signed on 29 April 1954 by Jawaharlal Nehru's government and Zhou Enlai's. The five…

Easy credit from banks and a good transport network were both among the reasons Britain became the first country to industrialise.

The Lahore session of December 1929, presided over by Jawaharlal Nehru, adopted Purna Swaraj, complete independence, as the Congress goal.

A compound microscope magnifies more when both its lenses have short focal lengths. In a compound microscope the objective forms a real, enlarged image, and the eyepiece magnifies it further like a simple magnifier.

The Anglo-Indian teacher of Hindu College, Calcutta, inspired the radical student group known as Young Bengal in the late 1820s. Derozio taught at Hindu College from 1826 to 1831.

Ramanuja, the eleventh-twelfth century teacher of Sriperumbudur, taught Vishishtadvaita or qualified non-dualism. Vishishtadvaita holds that Brahman is the only reality, but souls and matter are real parts of Brahman, as the body is to the soul, and that devotion to Vishnu leads to liberation.

The Polar Front Theory explains how temperate or extra-tropical cyclones are born and grow. The theory was put forward by the Norwegian meteorologists Vilhelm and Jacob Bjerknes around the end of the First World War.

Stalactites, stalagmites and pillars form inside limestone caves from minerals left behind by water seeping underground. Rainwater with dissolved carbon dioxide dissolves limestone and hollows out caves; this is called karst topography.

This statement is false: biogas is an excellent fuel with a high heating capacity. Biogas is mostly methane, about 50 to 75 percent, with carbon dioxide and small amounts of other gases.

Sayyid Ahmad Khan founded the college at Aligarh, and he drew support for it from people of every faith. Sayyid Ahmad Khan started the Muhammadan Anglo-Oriental College at Aligarh in 1875 to give Indian Muslims a modern, Western-style education alongside Islamic learning; it became Aligarh Muslim University in 1920.

Cinnabar is mercury sulphide, HgS, the chief ore from which mercury is obtained. Cinnabar is a bright red mineral.

He founded the Khudai Khidmatgar movement among the Pathans of the North-West Frontier Province in 1929. The Khudai Khidmatgars, meaning Servants of God, were a non-violent volunteer body pledged to social reform and to the freedom struggle.

The crust is brittle, but the mean thickness of the oceanic crust is about 5 km, not 15 km. The crust is the outermost solid shell of the Earth.

Raniganj in West Bengal is known for coal mining, not for making iron and steel. The Raniganj coalfield in the Damodar valley is the oldest coalfield of India, where commercial coal mining began in 1774.

The six freedoms of Article 19(1) are not absolute, because clauses (2) to (6) let the State place reasonable restrictions on them.

Assam touches Bhutan and Bangladesh abroad and all the other six north-eastern states plus West Bengal at home. Assam's international borders are with Bhutan in the north and Bangladesh in the south-west, along the Barak valley and Dhubri side.

All three statements describe the Rowlatt Act and the protest against it correctly. The Act, based on the Sedition Committee chaired by Justice Sidney Rowlatt, was rushed through the Imperial Legislative Council in March 1919 although every elected Indian member opposed it; Jinnah resigned in protest.

Agricultural density measures how many farm people depend on each unit of land that can actually be farmed. Geographers use three densities.