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Earth System Quiz

Sr. #	Questions	Answers Choice
1	Heat received by earth from the sun is known as:	Solar heat Solar radiation Insolation Thermal radiation
2	The mean radius of the earth is approximately:	2800 kms 3000 kms 7600 kms 6400 kms
3	The time required for moon light to reach earth:	3 seconds 0.5 seconds 2 seconds 1.3 seconds
4	Days and Nights are caused by	Revolution of the earth around the sun Rotation of the earth on its axis Inclination of the earth's axis None of these
5	The earth rotates around its axis from:	North to South East to West North to East West to East
6	Which country is called :the land of rising sun"?	Italy Japan Canada United Kingdom
7	What is the maximum length of a day on the poles?	2 years 6 months 8 months 1 year
8	The orbit along which the earth revolves is:	Circular Elliptical Irregular None of these
9	The size of earth was first measured by:	Isaac Newton Kepler Eratosthenes Galelio
10	The distance between the earth and the sun is smallest in the month of:	March July August June