GK/Everyday Science
The largest planet of the solar system is:
A.
Earth
B.
Mars
C.
Jupiter
D.
Saturn
Solar eclipse occurs when:
A.
Earth comes between sun and moon
B.
Moon is at right angle to earth
C.
Moon comes between sun and earth
D.
Sun comes between moon and earth
The solar wind is composed of:
A.
Outward stream of protons on the sun surface
B.
Ionized gas
C.
Plasma
D.
All of these
Which of the following planets is at the farthest distance from the earth?
A.
Neptune
B.
Mercury
C.
Mars
D.
None of these
If there is no sun, the colour of the sky would be:
A.
Orange
B.
Blue
C.
Yellow
D.
None of these
The smallest planet is:
A.
Venus
B.
Mercury
C.
Neptune
D.
Uranus
Which of the following gases is most predominant in the sun?
A.
Helium
B.
Hydrogen
C.
Nitrogen
D.
Ozone
Which two planets of the solar system have no satellites?
A.
Mercury and Venus
B.
Venus and Mars
C.
Venus and Neptune
D.
None of these
The 'Solar Corona' mainly consists of:
A.
Cosmic rays
B.
Molten rays
C.
Molten Lava
D.
Gases
Lunar eclipse is caused when the:
A.
Moon comes between the sun and the earth
B.
Earth comes between the sun and the moon
C.
Sun comes between the earth and the moon
D.
None of these
Lunar Sea refers to:
A.
A small sea on the moon
B.
A sea on earth which experiences high tides due to gravitational attraction of the moon
C.
A dark plain on the moon
D.
A large water body illuminated by moonlight
The brightest star in the sky is:
A.
Hayes
B.
Praesepe
C.
Sirius
D.
Sun
The time required by moonlight to reach the earth is:
A.
One second
B.
1.3 second
C.
2 seconds
D.
3 seconds
Which of the following celestial bodies bear, 'The sea of Tranquillity' and 'The Ocean od Stroms'?
A.
Mars
B.
Venus
C.
Moon
D.
Sun
Lunar eclipse does not occur every month because:
A.
The sun's orbit is not always in the same plane as the moon
B.
The moon's orbit is not all the time in the same plane as the earth
C.
The moon revolves at a slower speed than the earth
D.
None of these
The distance of the nearest star besides the sum from the earth is:
A.
3 light-years
B.
4.24 light-years
C.
5 light-years
D.
6 light-years
"Parsec" is the unit of measurement of :
A.
Density of stars
B.
Orbital velocity of giant stars
C.
Astronomical distance
D.
None of these
The sunspots cause:
A.
Aurora australis and aurora borealis
B.
Magnetic storms on the surface of the sum
C.
Polar auroras
D.
All of these
The constellation of stars appears at different positions in the sky at different times dusring night mainly:
A.
Because earth rotates about its axis
B.
Because earth revolves arround the sum
C.
Because of optical illusion
D.
Because celestial bodies are changing their position
The light coming form stars gives the idea of their:
A.
Size
B.
Temperature
C.
Mass
D.
Density
The same side of the moon always faces the earth because:
A.
Moon and earth have gravitational force
B.
Moon connot change its position
C.
The period of rotation of the moon on its axis and period of revolution around the earth is almost the same
D.
None of these
Which of the following is concerned with the descripotion and mapping of the main features of the universe?
A.
Cosmology
B.
Cosmography
C.
Astronomy
D.
None of these
The period of one revolution of sun around the centre of galaxy is called:
A.
Cosmic year
B.
Astronomical year
C.
Light year
D.
Parsec
The altitudes of heavenly bodies appear to be greater than they actually are. This is due to:
A.
Atmospheric refraction
B.
Motions of the earth
C.
These are visible
D.
Vertical motions
The milky was extends through a distance of:
A.
One light-year
B.
10⁵ light-years
C.
8 light-years
D.
10¹˚ light-years