RRB Group D GK Questions 2026

This site in the Kashmir valley is the type site of the northern Neolithic, where people dug pits into the ground, roofed them and lived inside, made tools of bone and antler, and buried dogs with their human dead, a custom found nowhere else in the Indian Neolithic.

Bagor lies on the Kothari river in the Bhilwara region of Rajasthan and is the largest Mesolithic settlement known in India, with thousands of microliths, stone floors, human burials and bones of sheep, goat and cattle that give the earliest Indian evidence of animal keeping.

A geologist with the Geological Survey of India, he picked up a stone hand axe at Pallavaram near Madras in 1863, the first recorded Palaeolithic tool from the subcontinent, and his later surveys in the south earned him the name of the father of Indian prehistory.

The correct answer is D, because Jorwe is a Chalcolithic site in Maharashtra that gives its name to the Jorwe culture, not to the Malwa culture, which is named after its own region in Madhya Pradesh and is represented by Navdatoli, Eran and Nagda.

The north-western hill belt of the Sulaiman and Kirthar ranges holds Mehrgarh in the Bolan valley, the earliest village of the subcontinent, where wheat and barley were grown and cattle, sheep and goat were kept about eight thousand years ago.

At this Chalcolithic settlement on the Ghod river in Maharashtra the dead were buried within the habitation area, laid out straight with the head pointing north, and pots with food and water were placed beside them.

The rock shelters of Bhimbetka in the Raisen district of Madhya Pradesh were occupied from the Lower Palaeolithic onwards, and their lower layers have yielded hand axes and cleavers along with the earliest of their paintings.

The Palaeolithic or Old Stone Age is the first and by far the longest phase of prehistory, the time of hunting and food gathering, of hand axes, cleavers, flakes and burins, and of people who had neither agriculture nor pottery.

The water at the bottom warms, becomes lighter and rises, while cooler water sinks to take its place, and these convection currents carry heat through the pot.

Digestion begins in the mouth, where saliva adds salivary amylase to the food as it is chewed. Salivary amylase, also called ptyalin, starts breaking starch into maltose while food is still in the mouth.

The stinging hairs on nettle leaves inject methanoic acid, also called formic acid, into the skin, which causes the burning pain.

Kadaknath is a poultry breed of the Jhabua and Dhar region of western Madhya Pradesh, reared by tribal households, and its black flesh, bones and blood make it distinctive enough to have been given a geographical indication tag.

The correct answer is C, because the gains were not spread evenly: they were concentrated in the assured irrigation belt of Punjab, Haryana and western Uttar Pradesh, and later in parts of Andhra Pradesh and Tamil Nadu, while the rain fed districts of central and eastern India gained far less.

Jute is called the golden fibre for the colour of its retted fibre, so the programme to raise its output and improve its processing is named the golden fibre revolution, and it matters most in West Bengal, Bihar and Assam.

Apiculture is bee keeping for honey and beeswax, and it is counted among the allied activities because it needs almost no land and raises the yield of nearby crops through pollination.

The Central Marine Fisheries Research Institute, which studies the stocks, breeding and farming of sea fish along the Indian coast, has its headquarters at Kochi in Kerala.

This goat of the cold Changthang plateau grows a very fine soft undercoat in winter, and that fibre, combed out in spring, is the pashmina from which Kashmiri shawls are woven.

Murrah, from the Rohtak and Hisar belt of Haryana, is the best known milk buffalo of India, recognised by its tightly curled horns and heavy milk yield, and it has been used to improve buffalo stock in many states and abroad.

He organised the milk producers of the Kaira district into the cooperative known by the brand Amul, designed the three tier Anand pattern, headed the National Dairy Development Board and led Operation Flood, which is why the growth of Indian dairying is credited to him.

Operation Flood was launched by the National Dairy Development Board in 1970 to build a national milk grid on the Anand pattern of cooperatives, and it ran in three phases until 1996, by which time village societies in most states were selling milk to the big cities.