RRB Group D GK Questions 2026

This statement is false: diamond is an electrical insulator because it has no free electrons. In diamond, every carbon atom uses all four of its valence electrons to form strong covalent bonds with four other carbon atoms in a rigid three-dimensional network.

Speaking at the inauguration, the Railway Minister said work of roughly that value is in progress in Madhya Pradesh, spread over new lines, doubling, third and fourth lines and gauge conversion on stretches such as Lalitpur–Singrauli, Satna–Rewa, Katni–Singrauli, Jabalpur–Gondia, Bina–Bhopal–Itarsi, Ratlam–Khandwa and Indore–Dahod.

The Satna–Devendranagar line measures roughly 53 km and was built at that cost, the last 8 km between Phulwari and Devendranagar completing it.

Churhat lies in Sidhi district, and with the Rewa–Churhat line of about 65 km finished, residents of Sidhi gained the chance to travel on the national rail network.

Both the new sections, Satna–Devendranagar of about 53 km and Rewa–Churhat of about 65 km, were built under this project, which the Chief Minister of Madhya Pradesh put at about 541 km and described as a link between Uttar Pradesh and Madhya Pradesh covering Lalitpur, Chhatarpur, Panna, Satna, Rewa, Sidhi…

Sleeping sickness, or African trypanosomiasis, is caused by the protozoan parasite Trypanosoma brucei, which is spread by the bite of the tsetse fly.

At about 6 to 7 metres in an adult, the small intestine is by far the longest part of the alimentary canal.

A Lewis acid is a species that accepts a pair of electrons, and all three of these can do so.

Hydrogen shows 0, +1 or -1 depending on what it is bonded to. In the free element H2 its oxidation number is 0, as for every element in its uncombined state.

A rainbow forms because raindrops split white sunlight into its seven colours, and this splitting of light into colours is dispersion.

Isobars are atoms of different elements with the same mass number, and 18 + 22 gives a mass number of 40, the same as calcium.

A direction in space needs two angles, one in the horizontal plane and one in the vertical plane, and declination and inclination supply exactly these.

This is the fluid mosaic model of the cell membrane given by Singer and Nicolson in 1972. Each phospholipid has a water-loving (hydrophilic) phosphate head and two water-fearing (hydrophobic) fatty acid tails.

Dalton held that the atom is the smallest, indivisible particle of matter, so his theory cannot explain particles inside the atom.

The first fair of the series ended there on 19 October after nine days at the Dasara Exhibition Ground, and thousands of visitors came through it.

They are showing roughly 40 varieties of handloom and handicraft products at Farm Gate, Khanapara, in Guwahati, where the fair is open to the public from 11 in the morning to 9 at night and will continue until 28 October.

BHARAT-TULIP is aimed at marketing the products of artisans belonging to the target groups of the Ministry of Social Justice and Empowerment, using both physical outlets and e-commerce platforms so that a maker in a small town can reach a buyer anywhere.

The fair is its marketing-support initiative for artisans and beneficiaries tied to its three national corporations: the National Scheduled Castes Finance and Development Corporation, the National Safai Karamcharis Finance and Development Corporation and the National Backward Classes Finance and Development Corporation.

For a swinging pendulum, the component of the bob's weight along its path always pulls it back towards the lowest point, so gravity acts as a restoring force.

A shoot grows upward, away from the pull of gravity, so it is negatively geotropic. A tropism is a directional growth movement of a plant part in response to a stimulus: towards the stimulus is positive, away from it is negative.