Railway GK Questions 2026

The Mariana Trench lies in the western Pacific, east of the Mariana Islands, and its deepest part, the Challenger Deep, is close to eleven kilometres below sea level.

The Pacific covers a greater area than all the land on earth put together and is also the deepest ocean, holding the Challenger Deep in the Mariana Trench, the deepest known point on the planet.

The Jama Masjid was built under Shah Jahan in the seventeenth century in red sandstone and white marble, opposite the Red Fort in Shahjahanabad, and its vast courtyard makes it the largest mosque in India.

NH 44 runs roughly north to south from Srinagar to Kanyakumari, about 3,745 kilometres, and is the longest national highway in India.

Hemis lies in eastern Ladakh, in high cold desert country, and is the largest national park in India by area.

These three rivers meet near the head of the Bay of Bengal and drop an enormous load of silt, building the Sundarbans, the largest delta in the world, shared between India and Bangladesh.

The Tehri dam stands on the Bhagirathi in the Tehri Garhwal region of Uttarakhand and rises to about 260 metres, which makes it the highest dam in India.

Majuli lies in the Brahmaputra in Assam and is the largest river island in India. It is inhabited, it has been made a district of Assam, and it is famous for the satras, the Vaishnava monasteries founded in the tradition of Srimanta Sankardeva.

Wular Lake lies in the Kashmir valley in the union territory of Jammu and Kashmir, is fed by the Jhelum and is the largest freshwater lake in India.

Rajasthan is the largest state of India by area, holding the Thar desert in its west and the Aravalli range running across it from the south-west to the north-east.

Anamudi stands 2,695 metres high in the Idukki district of Kerala, in the Anaimalai hills of the Western Ghats, close to Eravikulam National Park, which protects the Nilgiri tahr.

Kangchenjunga rises to 8,586 metres on the border of Sikkim with Nepal and is the third highest mountain in the world after Mount Everest and K2.

Ravi Shankar played the sitar, the long-necked fretted instrument with a gourd resonator and sympathetic strings that ring on their own.

The nadaswaram is a long double reed wind instrument, the loudest of the classical wind instruments, and in Tamil Nadu it is played as a pair with the thavil, a barrel drum struck with one hand and a stick, at temple processions and weddings.

The ravanahatha is an ancient spike fiddle with a coconut shell resonator, played with a horsehair bow that usually carries small bells, and it belongs to the folk musicians of Rajasthan, where it accompanies the ballad of Pabuji.

The bansuri is the bamboo transverse flute, a sushira vadya with no reed, in which the player changes notes by covering the finger holes.

The chenda is a cylindrical drum hung from the shoulder and struck with curved sticks, and it carries the sound of Kerala's temple festivals, of the percussion ensemble called Chenda Melam, and of Kathakali and Theyyam.

The ghatam is a clay pot with nothing stretched across its mouth. The player strikes the body of the pot with fingers, palms and wrists, and changes the tone by moving the mouth of the pot against the stomach.

The sarod is a plucked instrument with a metal fingerboard and no frets, which lets a player slide continuously between notes and gives it its deep, singing tone.

The santoor is a trapezoid wooden box carrying many strings over small bridges, struck with a pair of light curved mallets.