101.
The word used to describe the shape of earth is
A
Circle
B
Sphere
C
Oblate Spheroid
D
Flat
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The word used to describe the shape of earth is
Circle
Sphere
Oblate Spheroid
Flat
The total surface area of earth is
610 million sq. km
710 million sq. km
810 million sq. km
510 million sq. km.
The term syzygy is referred to when the
Earth is at apehelion and moon at apogee
Moon and Sun are at right angles with reference to the earth.
Moon, Sun and Earth lie along a straight line
Earth is at perihelion and moon at perigee
The Sun reaches its maximum angular distance from the equator at the
Solstice
Equinox
Noontime
Zenith
The south pole experiences continuous light at
Winter Solstice
Veinal equinox
no time
Summer solstice
The shortest day in Australia will be on
22-Dec
23-Sep
21-Mar
21-Jun
The planet that takes 88 days to make one revolution of the sun is
Mercury
Saturn
Jupiter
Mars
The permanent tilt of the earths axis and the revolution of the earth its orbit together cause
Day and night
Varying lengths of day and night at different times of the year
Differences in time between place on different meridian.
The deflection of wind.
The outermost layer of the Sun is called
Chromosphere
Photosphere
Corona
Lithosphere
The nuclear fuel in the sun is
Helium
Uranium
Hydrogen
Oxygen
The mean radius of the earth is
3200 km
6400 km
9600 km
12800 km
The largest planet in our solar system is
Mars
Jupiter
Butterfly
Saturn
The inexhaustible source of energy of the stars is due to
Conversion of Hydrogen to Helium
Conversion of Helium to Hydrogen
Decay of radioactive elements
Excess of oxygen that helps burning and release of energy
The first dinosaurs appeared in the
Permian period
Triassic period
Jurassic period
Cretaceous period
The earth rotates around an axis pointing towards
The moon
The pole star
The sun
Venus
The earth rotate around its axis from
North to south
East to west
South to north
West to east
The Earth makes one complete revolution in
365 days
360 days
365 1h days
1 day
The distance of the earth from the sun is about
1500 million km.
300 million km.
227 million km.
149 million km.
The difference in the duration of day and night increases as one moves from
West to East
East and west of the prime meridian
Poles to equator
Equator to poles
The blue moon phenomenon occurs
When two full moons occur in the same month
When four full moons appear in two consecutive months of the same calendar year
When two full moons appear in the same month thrice in a calendar year
None of the above