World Geography
Which among the following countries is the largest producer of cotton?

India
Russia
China
US

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World Geography
Which among the following statements is/are correct about the Thermosphere?It lies upto an altitude of 80 km from the earth’s surface.It contains electrically charged particles known as ions.The temperature here starts increasing with heights.The International Space Station and other satellites orbit in this layer.Select the correct code from the options given below:

Only 2, 3 & 4
1, 2, 3 & 4
Only 1, 3 & 4
Only 3 & 4

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World Geography
Which among the following statements is/are correct about Population of the world?In the twentieth century itself the population has increased four times.Human population increased more than ten times in the past 500 hundred years.World population exploded in the eighteenth century after the Industrial Revolution.Select the correct code from the options given below:

Only 3
Only 2 & 3
Only 1
1, 2 & 3

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World Geography
The period of daylight

reaches a maximum of 24 hour in the polar zones in summer
is nearly constant near the equator
varies with latitude and the season
All of these

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