Q. The percentage of sun’s radiation reflected back into space is about

? 36 percent

Q. The progressive wave theory regarding of tides was put forth by

? William Whewell

Q. The platform and the basement rock together form

? Craton

Q. The planet with the maximum number of natural satellites (moons), so far discovered is

? Jupiter

Q. The river Jordan drains into the

? Dead Sea

Q. The ratio of land to ocean in the southern hemisphere is

? 1 to 4

Q. The polar diameter is ____ to the equatorial diameter.

? Less

Q. The ratio of the weight of water vapour to the total weight of air (including the water vapor) is called

? Specific humidity

Q. The process of soil development is called

? Pedogenesis

Q. The panama canal links

? North America with South America

Q. The Rhine river of northern Europe empties into

? The North sea

Q. The part of the earth and thin layer of air above its surface, which support life on earth, are referred to as

? Biosphere