41.
The distance of the earth from the sun is about
A
1500 million km.
B
300 million km.
C
227 million km.
D
149 million km.
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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
The average distance from the sun to earth is
150mkm
57.8 million km
227.9 mkm
778.2 mkm
The approximate diameter of the earth is
4,200 km
6,400 km
12,800 km
15, 600 km
Summer Solstice in the Southern Hemisphere occurs in
22-Dec
23-Sep
21-Jun
21-Mar
Spring tides occur when
The moon is nearest to the earth
The moon is farthest from the earth
The moon, the sun and the earth are right angles with the earth are in the same line.
The moon, the sun and the earth are in the same line.
Primitive ape appeared in the
Palaeozoic era
Mesozoic era
Cenozoic era
Cretaceaus era
One degree of the circumference of the earth measures (approx)
100 km
111 km
151 km
175 km
One astronomical unit is the average distance between.
The Earth and the Sun
The Earth and the Moon
The Jupiter and the Sun
The Pluto and the Sun
On planet Earth, there is no centrifugal force at the
Equator
Tropic of Cancer
Tropic of Capricorn
Poles
Meteorites are the heavenly bodies
Between the Mars and the Jupiter
Between the Saturn and the Neptune
Between the Mars and the Venus
That burn brightly on entering the Earth atmosphere
Light-year measures which of the following ?
Intensity of light
Mass
Time
Distance
In the earliest days when life originated on earth, the atmospheric obtained
Free oxygen
No oxygen
Oxygen in fixed form
Oxygen bound to carbon
If a solar eclipse occurs when the moon is quite far from the earth, the eclipse would be likely to be
Total
Partial
Annular
None of these
How many kilometres and represented by 1ohm of latitude?
321 km
211 km
111 km
91 km
An eclipse of the sun, takes place
When the moon passes between the Sun and the Earth.
Once every five years
When the moon is full
When the Earth comes between the Sun and the moon
An ape like creature identified as man appeared in the
Pleistocene epoch
Pliocene epoch
Miocene epoch
Oligocene epoch
A difference of 1 degree in longitude at the Equator is equivalent to nearly
101 km
111 km
121 km
125 km