RRB Group D GK Questions 2026

The Harappan script uses about four hundred picture-like signs, and it was written in the boustrophedon style, that is from right to left in the first line and then from left to right in the next, turning like an ox ploughing a field.

Dholavira stands on Khadir island in the Rann of Kutch. Unlike the usual two-part Harappan town, it is divided into three: a citadel, a middle town and a lower town, all enclosed by stone walls.

The seal shows a figure seated in a yogic posture with horns on its head and animals around it, usually described as an elephant, a tiger, a rhinoceros and a buffalo, with deer below the seat.

Daimabad lies on the Pravara, a tributary of the Godavari, in the Ahmednagar district of Maharashtra, and it marks the southern limit of the Harappan world.

The Harappan Civilisation is a Bronze Age culture, and no iron object has been recovered from any of its levels.

Mesopotamian texts list Meluha among the lands that sent ships carrying carnelian beads, ivory, timber and copper, and the goods named there match what Harappan sites produced.

A Harappan burnt brick was four units long, two units broad and one unit thick, and the same proportion turns up at sites hundreds of kilometres apart.

Kalibangan stands on the dry bed of the Ghaggar in the Hanumangarh district of Rajasthan. A field there, belonging to the pre-Harappan level, carries two sets of furrows crossing each other at right angles, showing that two crops were grown in the same plot at the same time.

He dug at Harappa on the bank of the Ravi in 1921, and the finds from that season identified a wholly unknown urban culture, which was named after the site.

Lothal lies on the Bhogava, a tributary of the Sabarmati in Gujarat, and its eastern side holds a large brick basin connected to the river by a channel.

The Great Bath stands in the citadel of Mohenjo-daro in Sindh. It is a brick tank about twelve metres long and seven metres wide, with flights of steps at two ends, small rooms around it and a layer of natural tar below the floor to stop water from seeping away.

Ganymede is one of the four large moons of Jupiter first seen by Galileo, the others being Io, Europa and Callisto, and it is larger than the planet Mercury, which makes it the biggest satellite in the solar system.

On 21 June the northern hemisphere is tilted towards the Sun, whose rays fall vertically on the Tropic of Cancer at 23.5 degrees north.

In that year the International Astronomical Union adopted a formal definition of a planet: a body that orbits the Sun, is massive enough for its own gravity to pull it into a nearly round shape, and has cleared the neighbourhood around its orbit.

The Moon is on average about 384,400 kilometres from the Earth. Light covers about three lakh kilometres in a second, so it crosses that distance in a little over a second.

The asteroid belt is a broad band of rocky bodies, from dust-sized grains to bodies hundreds of kilometres across, going round the Sun between the orbit of Mars and that of Jupiter.

Saturn is a huge ball of hydrogen and helium spread over an enormous volume, and its average density is less than that of water.

The axis of the Earth is tilted about 23.5 degrees from the vertical and keeps pointing in the same direction throughout the year.

Almost every planet, the Earth included, rotates from west to east, which is why the Sun appears to rise in the east.

Jupiter is the fifth planet from the Sun and the largest of all by both diameter and mass; it is a gas giant of hydrogen and helium.