REVISION 3

What is the shape of the Earth?

• Geoid

• Eclipse

• Round

• Cuboid

Which of the following processes is associated with the ejection of magma and other related materials from deep below the Earth onto the Earth's surface?

• Sedimentation

• Folding

• Metamorphism

• Vulcanicity

The steep-sided flat-floored valley in hot deserts through which occasional flash floods flow is known as

• A. bajada

• B. headland

• C. playa

• D. wadI

Which of the following conditions occur during equinox?

• The tropic of Cancer experiences longer day than the tropic of Capricon

• All places across the globe experience equal lengths of day and nights

• The length of day at the Equator is shorter than the tropic of Cancer

• The moon is star-shaped all through the night all over the world

The sea water thrown up the beaches by the breaking waves is called

• backwash

• shore

• undertow

• swash

31

Which type of rainfall occurs when two air masses of different temperature and other physical properties meet?

• Orographic

• Relief

• Cyclonic

• Convectional

Which of the following desert landforms is associated with wind deposition?

• Butte

• Yardang

• Wadi

• Barchan

Factors which influence the practice of irrigation include all except

• unreliable rainfall

• high rainfall

• need for more food

• presence of fertile soil

Which of the following is a service industry?

• Banking industry

• Food processing plant

• Cement factory

• Pharmaceutical industry

A negative effect of mineral exploitation is

• afforestation

• hydration

• pollution

• oxidation