Name the imaginary line passing round the earth midway between the North and South Poles.

Only continent which is crossed by equator, tropic of cancer and tropic of Capricorn

Among the following present day continents which one was not a part of the Gondwanaland the ancestral supercontinent?

The land cultivated in a year is termed net sown area. Approximately, what percentage of geopraphical area of India constitutes total net sown area of the country?

The polar radius of our earth is nearly 6357 km. Aproximately, how much longer is its equatorial diameter?

Among the various longitudes passing through India which one forms the basis of the Indian Standard Time?