Geography Previous Year Questions (PYQ) with Answers – Page 42

When salt crystals grow inside the pores and cracks of a rock, they push the grains apart and break the rock mechanically, without changing its minerals.

The Big Bang theory is the accepted explanation of how the universe itself began, while the other options try to explain only the solar system.

The South Atlantic Drift is part of the West Wind Drift, the cold eastward flow that circles Antarctica in the belt of the westerlies, around 40° to 50° south.

Barley is sown in the cool, dry season after the monsoon and harvested in spring, which makes it a rabi crop in the northern states.

Mica is a non-metallic mineral, a silicate that splits into thin, clear, flexible sheets, and no metal is extracted from it.

Eratosthenes of Cyrene first used the word "geographia", from the Greek "geo" (earth) and "graphe" (description), so geography means a description of the Earth.

The Sun's surface is about 6,000 °C, so most of its energy reaches the Earth as short-wave radiation: visible light and near (short wavelength) infrared, with a small share of ultraviolet.

Jute needs a hot and humid climate, heavy rainfall and the fresh alluvial soil that river floods renew every year, conditions found in the Ganga–Brahmaputra delta and the plains of eastern India.

In the hills of Uttarakhand the river is called the Kali (or Mahakali); it takes the name Sarda (Sharda) only after it reaches the plains.

Lands with a Mediterranean climate are the world's great orchards of oranges, lemons, grapes and olives. The Mediterranean climate has hot, dry, sunny summers and mild, rainy winters, the rain coming from westerly winds.

The Jhelum was called the Vitasta in the Rig Veda and in later Sanskrit texts. The rivers of the Punjab region carried Vedic names: Vitasta for the Jhelum, Asikni for the Chenab, Parushni for the Ravi, Vipasha for the Beas and Shutudri for the Satluj.

The Tamraparni rises in the Agasthyamalai hills of the Western Ghats and flows east through Tirunelveli and Thoothukudi districts of Tamil Nadu into the Gulf of Mannar.

Sand is a minor mineral, and the states both grant concessions for minor minerals and make the rules for them, including rules against illegal mining.

The inner planets are the four that orbit the Sun inside the asteroid belt: Mercury, Venus, Earth and Mars. The asteroid belt between Mars and Jupiter divides the solar system into two groups.

The southernmost of India's major ports is V. O. Chidambaranar Port, long known as Tuticorin, which lies on the Gulf of Mannar in the Thoothukudi district of Tamil Nadu.

Expressed as women per men, Asia has a low sex ratio, because several of its large countries have fewer women than men.

South India has an equable, maritime climate, not an extreme one, because it lies close to the equator and is surrounded by the sea on three sides.

The doldrums are the equatorial belt of calm and light, variable winds, and the belt shifts with the seasons; they have nothing to do with the roaring forties.

Bhopal, the capital of Madhya Pradesh, is not built on a river bank; it is known instead as the City of Lakes.

Chhattisgarh lies in the heart of the country and is surrounded only by other Indian States. Chhattisgarh was carved out of Madhya Pradesh in November 2000.