RRB Group D GK Questions 2026

The Tehri Dam stands on the Bhagirathi in the Tehri Garhwal district of Uttarakhand, just below the point where the Bhilangana joins the river.

Gamma rays sit at the far end of the electromagnetic spectrum, with the shortest wavelength and therefore the highest frequency and energy.

The fusion of a male gamete with a female gamete is called fertilisation, and the single cell it produces is the zygote.

Guava is the classic jam fruit because it is rich in both pectin and acid, the two things a jam needs to set into a firm gel.

This is the strand of the campaign in which young volunteers take the warning against substance abuse into their own communities, speaking in their own languages and using their own forms of creative expression, and it was praised for exactly that reason.

Volunteers of these two bodies work alongside schools, colleges, universities and various social and spiritual organisations to run pledge ceremonies and awareness programmes under the campaign, and the competitions that feed it are hosted on the MY Bharat platform.

The campaign against drugs and substance abuse among the young has been designed as a sustained drive of that length, so that awareness work continues instead of ending with a single day or a single week of events.

The Home Minister said the railways burnt 293 crore litres of diesel in 2015-16 and that the quantity had come down to 108 crore litres by 2024-25, a fall he linked to the spread of electric traction and one he felt received little notice.

The engine put into service at Sabarmati is a twin-section machine of that rating, and it can pull on its own a load that would otherwise need roughly 600 trucks.

The correct answer is Rs 1,472 crore, the combined worth of the works opened and the foundation stones laid at Sabarmati on the day the first LNG-powered train was flagged off.

The first train in India to run on liquefied natural gas was sent on its way from Sabarmati Railway Station in Ahmedabad, Gujarat, by the Union Home and Cooperation Minister, who described the step as useful for protecting the environment.

Lead and mercury are in fact the poorest conductors of heat among the metals, so calling them the best is wrong.

Epithelium covers the body and lines its organs, so it is the protective tissue. It forms the outer layer of the skin, the lining of the mouth, stomach, intestine, blood vessels and kidney tubules.

Silk comes from the cocoon spun by the caterpillar of a moth. The common silk moth is Bombyx mori, and rearing it is called sericulture.

CFCs release chlorine in the stratosphere, and that chlorine destroys ozone. CFCs were used as refrigerants, in aerosol sprays and in foam.

Barium compounds such as barium nitrate give fireworks and signal flares a bright green flame. The colour comes from a flame test.

This pair is wrong, because tomato contains oxalic acid, along with some citric and malic acid. Formic acid, or methanoic acid, is the acid of an ant sting and a bee sting, and its name comes from the Latin word for ant.

Urea is made industrially by reacting ammonia with carbon dioxide under high pressure. The process runs in two steps: ammonia and carbon dioxide first form ammonium carbamate, which then loses a water molecule to give urea.

Scientific management of municipal solid waste has been a core objective of the mission since that launch, and as the mission grew, organic waste came to be treated as a resource for clean energy rather than as rubbish.

At the Bowenpally Vegetable Market roughly ten tonnes of vegetable and fruit waste is collected each day, and since an on-site biogas plant came up almost all of it is used rather than sent to landfill.