world physical geography section 3 MCQ Questions & Answers Detailed Explanation

Answer: (a)

1. Isobars are lines on a weather map joining together places of equal atmospheric pressure.
2. A line drawn on a map connecting points, having equal rainfall at a certain time or for a stated period is called Isohyet.
3. Isotherms, lines connecting points of equal air temperature are used to map the geographic pattern of temperature across the earth’s surface. The spacing of isotherms depicts the temperature gradient across a portion of the Earth’s surface.
4. Isohel is a line on a map connecting places with an equal period of sunshine.

Answer: (a)

According to the latest research, the driest location on Earth lies in the Atacama Desert, Chile. The location is called Maria Elena South (MES).

The site has a mean atmospheric relative humidity (RH) of 17.3 per cent and a soil RH of a constant 14 per cent at a depth of one meter

Answer: (b)

With the height of 4,411 meters above sea level, the Daocheng Yading Airport has become the highest civil airport in the world. It is located in Daocheng County of the Tibetan Autonomous Prefecture of Garze, Southwest China’s Sichuan Province.

Answer: (b)

When two rigid slabs of lithospheric, known as plate collid with an another. The plate made of heavier material is tend to below the plate made of lights material (SIAG).

Answer: (a)

In geology, the term Torridonian is the informal name for the Torridonian Supergroup, a series of Mesoproterozoic to Neoproterozoic arenaceous and argillaceous sedimentary rocks, which occur extensively in the Northwest Highlands of Scotland.

The Caledonian orogeny was a mountain-building era recorded in the northern parts of Ireland and Britain, the Scandinavian Mountains, Svalbard, eastern Greenland and parts of north-central Europe. The Caledonian orogeny encompasses events that occurred from the Ordovician to Early Devonian, roughly 490–390 million years ago (Ma).

It was caused by the closure of the Iapetus Ocean when the continents and terranes of Laurentia, Baltica and Avalonia collided.

The Variscan or Hercynian orogeny is a geologic mountain-building event caused by the Late Paleozoic continental collision between Euramerica (Laurussia) and Gondwana to form the supercontinent of Pangaea.

Answer: (b)