RRB Group D GK Questions 2026

The Ministry set up the Swachh Bharat Test Bed and Innovation Centre at Durgapur in collaboration with CSIR-CMERI, and it is meant to serve as a national facility for research, product development, testing, validation, certification and capacity building in sanitation technologies.

The Ministry of Housing and Urban Affairs has identified 50 model cities under PRAGATI-50 to demonstrate a higher benchmark of Swachhata, and the Union Minister stated at the launch that these cities are spread across 24 states.

That leg, run by Train No. 64580, covers the distance in 2 hours 20 minutes, departing Saharanpur at 05:50 hrs and arriving at Meerut City at 08:10 hrs, making it the quickest of the four legs approved.

In the pair sanctioned for the Khurja section, Train No. 64573 runs from Khurja to Meerut City, leaving Khurja at 13:15 hrs and arriving at Meerut City at 17:20 hrs, a journey of 4 hours 5 minutes.

The two newly sanctioned MEMU services both begin or end at Meerut City: one pair links it with Khurja and runs as Train No. 64573/64574, and the other links it with Saharanpur and runs as Train No. 64580/64579.

The Union of Soviet Socialist Republics broke up in 1991: a failed coup against Mikhail Gorbachev in August that year destroyed the centre's authority, the republics declared independence one after another, and on 25 December 1991 Gorbachev resigned.

On 20 March 1927 Dr B R Ambedkar led thousands of Dalits to the Chavdar tank at Mahad in Maharashtra and drank its water, asserting the right of the depressed classes to use a public water source.

Zoji La, usually written Zojila, is the pass on the Srinagar–Kargil–Leh highway at about 3,528 metres in the Zanskar range, and it is the only road link between the Kashmir valley and Ladakh.

NATO is the military alliance of European and North American states, formed by the North Atlantic Treaty signed at Washington on 4 April 1949 by twelve founding members, and its membership has grown in rounds since then.

Bodo is the language of the Bodo people of the Brahmaputra valley and is spoken mainly in the Bodoland Territorial Region of western Assam.

Tropical evergreen forests need more than 200 cm of annual rainfall with a short dry season, and in India the western slopes of the Western Ghats get exactly that from the south-west monsoon.

Minerals that are washed out of their parent rock and settle in the sand and gravel of a river bed, flood plain or valley floor are called placer deposits.

In human beings the sperm meets and fuses with the egg inside the fallopian tube, also called the oviduct. The ovary releases one egg in a month, and the funnel shaped mouth of the fallopian tube collects it.

Hydra, starfish and planaria can all grow a lost or cut off part of the body back into a whole animal, and that ability is called regeneration.

Rajasthan supplies most of India's gypsum and almost all of its silver ore.

Shifting agriculture is called jhoom or jhum cultivation in India, especially in the north eastern hills. In this method a patch of forest is cleared and burnt, and the ash left behind manures the soil.

An ocean thermal energy conversion plant works only where the warm surface water is at least about 20 degrees Celsius hotter than the cold water drawn from the depths.

The Kolar Gold Fields lie in the Kolar district of Karnataka, on the Dharwar rocks of the peninsular plateau. Kolar was for a long time India's main source of gold and one of the deepest mines in the world, going down about three kilometres.

Hydra is the one animal in the list that reproduces both by budding and by regeneration. In budding, a bulge grows out from the body wall of the parent Hydra, develops a mouth and tentacles, and then breaks off as a small independent Hydra.

Collenchyma cells lay down extra cellulose and pectin at the corners of their walls, which makes the tissue strong and yet flexible.