100 Best Geography- Universe and Solar System MCQs
Q73). The planets that have no natural satellites are …..
a).Mercury and Venus
b).Earth and Mars
c).Jupiter and Saturn
d).Uranus and Neptune
Correct Answer:
Mercury and Venus
Explaination:
Q74). The darkest part of the shadow during eclipse is
a).Halo
b).Umbra
c).Penumbra
d).Black Hole
Correct Answer:
Umbra
Explaination:
Q75). The sunspots cause …………
a).Aurora borealis and aurora australis
b).Magnetic storms on the surface of the sun
c).Polar auroras
d).All of these
Correct Answer:
All of these
Explaination:
Q76). Which of these is a dwarf planet ?
a).Neptune
b).Titan
c).Eris
d).Hydra
Correct Answer:
Eris
Explaination:
Q77). The altitudes of heavenly bodies appear to be greater than they actually are. This is due to …..
a).Vertical motion of these heavenly bodies
b).Motions of the earth
c).Atmospheric refraction
d).These are visible because of light of the sun reflected from their surface
Correct Answer:
Atmospheric refraction
Explaination:
Q78). The planet amongst the following (other than saturn) that shows a faint ring is ………
a).Earth
b).Jupiter
c).Mars
d).Pluto
Correct Answer:
Jupiter
Explaination:
Q79). Comets are celestial bodies moving about the solar system in
a).Elliptical or hyperbolic orbits, usually accompanied by a shining tail
b).Elliptical orbits usually accompanied by a long shining tail
c).Hyperbolic orbit always accompanied by a shining head
d).Hyperbolic orbit without projecting any tail or head
Correct Answer:
Elliptical orbits usually accompanied by a long shining tail
Explaination:
Q80). The period of one revolution of sun around the centre of galaxy is called ……..
a).Parsec
b).Astronomical year
c).Cosmic year
d).Light year
Correct Answer:
Cosmic year
Explaination: