CDS GK Questions 2026

The retina is the light-sensitive layer at the back of the human eye; it is not a part of any microscope.

The Benguela current flows along the west coast of southern Africa, off Namibia and South Africa, not North Africa, so this statement is the incorrect one.

Solid carbon dioxide is called dry ice because it turns straight into gas without melting into a liquid, so it leaves nothing wet behind.

Swami Sahajanand Saraswati was elected president of the All India Kisan Sabha when it was founded at Lucknow in April 1936.

Defining acids and bases by the H⁺ and OH⁻ ions they release in water is exactly the theory Svante Arrhenius gave in 1884.

Tritium gives out beta particles, not alpha particles, and a water molecule is bent, not linear, so these two statements are wrong.

The port of call was Salalah in Oman, so the host service was Oman's own navy.

This is the expansion given for MAHASAGAR, the vision that Lokayan-2026 is said to advance as INS Sudarshini sails through international waters as an ambassador of India, winning goodwill and building maritime partnerships.

The sail training ship called at Salalah from 14 to 17 October 2026 and sailed from there to continue Lokayan-2026, the transoceanic deployment that has now reached its tenth month.

INS Sudarshini belongs to the Indian Navy and is rigged with three masts, and her role is to train officers and sailors at sea rather than to fight.

In 5 seconds the sound travels to the mountain and back, a total of 340 × 5 = 1,700 m, so the mountain is half of that, 850 m or 0.85 km, away.

Ghiyasuddin Balban, who ruled from 1266 to 1287, broke the power of the Turkan-i-Chihalgani, the group of forty Turkish nobles.

Under Article 100, the Speaker or the person acting as such does not vote in the first instance, but has a casting vote when votes are equally divided.

The shortest rail route from Bengaluru reaches Delhi from the south through Agra and Mathura, which lie on the western side of the Yamuna, so the train never has to cross that river.

In the standard division of India's population history, the three decades from 1921 to 1951 are called the period of steady population growth.

In the Battle of Colachel in 1741, the forces of Marthanda Varma of Travancore defeated the Dutch East India Company.

Both are pure forms of carbon, but their atoms are arranged differently, which gives them opposite physical properties. Diamond and graphite are allotropes of carbon.

The mission's thematic area is Urban Planning, Green Cover and Biodiversity, because the mission is about cities, not villages.

Weight is the gravitational force with which the Earth pulls an object towards its centre. Weight is given by W = mg, where m is the mass and g is the acceleration due to gravity, about 9.8 m/s² near the Earth's surface.

The ploughed field at Kalibangan lies below the Harappan city and belongs to the Early Harappan (pre-Harappan) phase, about 2800 BCE.