RRB Group D GK Questions 2026

This describes geothermal energy. Molten rock pushed up from deep inside the Earth collects as hot spots at shallower depths, and groundwater trapped near them is heated until it becomes steam under high pressure.

Guru Gobind Singh, born at Patna in 1666, was the tenth and last human Guru of the Sikhs. In 1699 at Anandpur Sahib he founded the Khalsa, gave the Sikhs the five symbols known as the five Ks and added the names Singh and Kaur.

Bacteria are grouped by shape, and bacilli are the rod-shaped ones; the Latin word bacillus itself means a small rod or stick.

Patachitra is the traditional cloth-scroll painting of Odisha, closely tied to the Jagannath temple at Puri. The word comes from pata, meaning cloth, and chitra, meaning picture.

Vijaya Lakshmi Pandit was elected President of the United Nations General Assembly for its eighth session in 1953, becoming the first Indian and the first woman in the world to hold that office.

Thrust is the force acting perpendicular to a surface, and the thrust acting on unit area of that surface is called pressure, so pressure = thrust ÷ area.

The Ryder Cup is a team golf tournament, played between teams representing the United States and Europe. It began in 1927 and is named after Samuel Ryder, the English seed merchant who donated the trophy.

Work done in moving a charge through a potential difference is W = Q × V, so W = 2 × 12 = 24 joule.

Power is the rate of doing work, so power equals work divided by time. Here the work is 120 J and the time is 3 seconds, which gives 120 divided by 3, that is 40 watts.

The Lingaraja Temple stands in Bhubaneswar, the capital of Odisha, and is the largest temple in that city. It was built in the eleventh century, mainly under the Somavamshi ruler Jajati Keshari and completed by the Ganga rulers, and is dedicated to Shiva as Tribhuvaneshwara, the lord of three worlds.

In humans the digestion of starch begins in the buccal cavity, that is the mouth. The salivary glands pour out about 1.5 litres of saliva a day, and the enzyme in it, salivary amylase or ptyalin, breaks starch into the simpler sugar maltose.

The ozone layer lies in the stratosphere, roughly 15 to 35 km above the ground, with the thickest concentration near 20 to 25 km, and that belt is sometimes called the ozonosphere.

Fat is digested in the small intestine by these two secretions working together.

Red algae, the division Rhodophyta, live in water, mostly in warm and shallow sea water, with a few species in fresh water.

Pataliputra, today's Patna, stood where the Son joins the Ganga, and it was the capital of the Mauryan empire founded by Chandragupta Maurya in about 322 BCE with the help of Chanakya.

Granite is an igneous rock, not a sedimentary one. It forms when magma cools slowly deep inside the crust, so its crystals of quartz, feldspar and mica are large enough to see; because it cooled below the surface it is called an intrusive or plutonic rock.

The bronze medal of Tejaswin Shankar was praised on the ground that competing across such demanding events over two days calls for exceptional versatility, endurance and resolve, and he showed all three while finishing his campaign strongly.

Parul Chaudhary finished third in that race at the Asian Games and, on her way to the podium, clocked her personal best, which is the detail that made her bronze stand out.

Tejaswin Shankar finished third in the men's decathlon at the Asian Games and took the bronze medal, and the achievement was praised because the decathlon spreads demanding events across two days and asks for versatility, endurance and resolve together.

The first Vande Bharat Express was flagged off on 15 February 2019 on the New Delhi to Varanasi route. It was built at the Integral Coach Factory in Chennai and was known as Train 18 while under development.