General Geography Compendium - Earth for Competitive Exams

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Shape of Earth can be best described as --- Geoid

Earth's rotational velocity at equator is -- 1690 km/hr

A solar day is greater than a sidereal day by -- 4 minute

Point in the orbit of Moon when it's farthest from Earth -- Apogee

Each degree of latitude equals -- 111 km

A person crossing International Date Line from East to West -- loses one day

The sun is vertically overhead at the equator on -- March 21st (spring equinox)

Prime cause behind Earthquakes -- Dislocation along fault

Elements constituting Earths crust -- Oxygen (46.1%), Silicon (28%), Aluminium (8%), Iron (5%)

Mumbai is 18.55 degree north of equator.

Distance wise it equals -- 2059 km

Point on Earth's surface vertically above the seismic focus -- Epicenter

Circum-Pacific belt is called Ring of Fire because -- 80% of volcanic activity of Earth is there

When it's noon in London, the local time for a place 90 degree west of it will be -- 6 am

Lighthouse of the Mediterranean -- Mt. Stromboli

Earth's interior has a layered structure because of -- density differentiation

The intensity of earthquake wave is recorded by -- seismograph

Continental Drift Theory was given by -- Alfred Wegenor

Meridian accepted as the Indian Standard Time -- 82 1/2 degree east

A meteoric crater lake found in India -- Lohar in Maharashtra

Mohorovicic discontinuity separates -- Crust and Mantle

Gigantic seismic sea-waves are called -- Tsunami

Earth's tilted axis causes -- Season

Hardest mineral -- Diamond, and softest mineral -- talc

Theory that considers Earth's lithosphere as fractured along several faults -- Tectonic Plate

Seismic wave transverse in nature which do not pass through molten outer core -- s wave

Gutenberg discontinuity separates -- mantle and core

Theory that explains Earthquakes -- elastic rebound theory

Earth's magnetic north and south poles are located on -- Prince of Wales Island in North Canada

Layer beneath the lithosphere capable of flowing under stress -- Asthenosphere

IST is ahead of GMT by -- 5 hrs 30 minutes

Line joining places that experienc earthquake at the same time -- Homoseismal line

The only active volcano in India -- Barron, Andaman and Nicobar

Seismic wave that cause maximum destruction -- L wave

The antipodal point of 10 degree North 125 degree East is -- 10 degree South 55 degree West

The equatorial bulge on Earth is due to -- centrifugal force

Magnitude of an earthquake is measured on -- Richter Scale

Earth is round was first theorised by -- Plato

The recent earthquake in Gujarat occurred due to -- dislocation along all Allahbund fault in Sindh,

Pakistan