1.
Which
planet in our Solar System is nearly as big as the Earth?
Option
A. Mercury
Option
B. Mars
Option
C. Venus
The
answer is, Option C. Venus
2.
Where is
the asteroid belt located between?
Option
A. Earth and Mars
Option
B. Mars and Jupiter
Option
C. Neptune and Saturn
The
answer is, Option B. Mars and Jupiter
3.
Name the
point in the orbit of the Moon at which it is farthest from the Earth?
Option
A. Apogee
Option
B. Perigee
Option
C. Solstice
The
answer is, Option A. Apogee
4.
Which planet in our solar system
is known for having the most extensive ring system?
Option
A. Jupiter
Option
B. Saturn
Option
C. Uranus
The
answer is, Option B. Saturn
5.
Which
planet is made up of thick white and yellowish clouds of sulfuric acid?
Option
A. Neptune
Option
B. Uranus
Option
C. Venus
The
answer is, Option C. Venus
6.
Which one
of the following planets has the shortest day?
Option
A. Mercury
Option
B. Earth
Option
C. Mars
The
answer is, Option B. Earth
7.
Which
among the following planets is also known as Veiled Planet?
Option
A. Venus
Option
B. Mars
Option
C. Jupiter
The
answer is, Option A. Venus
8.
“Hippocamp”
is, Moon of which planet?
Option
A. Jupiter
Option
B. Neptune
Option
C. Uranus
The
answer is, Option B. Neptune
9.
Which of
the following dwarf planets lies in the main asteroid belt?
Option
A. Eris
Option
B. Haumea
Option
C. Ceres
The
answer is, Option C. Ceres
10.
Which
planet has the largest number of natural satellites?
Option
A. Saturn
Option
B. Jupiter
Option
C. Neptune
The
answer is, Option A. Saturn
Option A. Mercury
Option B. Venus
Option C. Earth
Mercury is the closest
planet, to the Sun.
12.
There are 8 recognized planets
in the Solar System. How many of them are Gas Giants?
Option A. Three
Option B. Four
Option C. Five
There are four gas giants
in our Solar System.
13.
Which planet has the highest
mountain in the Solar System?
Option A. Venus
Option B. Earth
Option C. Mars
Mars has the highest
mountain in the solar system, called Olympus Mons
14.
What is the hottest terrestrial
planet?
Option A. Mercury
Option B. Venus
Option C. Earth
Venus is the hottest
terrestrial planet.
15.
Which planet could float in
water because of its low density?
Option A. Earth
Option B. Jupiter
Option C. Saturn
Saturn could float in
water because of its low density.
16.
What planet orbits the Sun on
its side?
Option A. Saturn
Option B. Uranus
Option C. Neptune
Uranus orbits the Sun on
its side.
17.
What is the farthest Gas Giant
from the Sun?
Option A. Uranus
Option B. Neptune
Option C. Pluto
The farthest gas giant
from Sun is, Neptune
18.
Comets have two tails. One is a
dust tail comprises of particles from its surface. What is the other tail
called?
Option A. Plasma tail
Option B. Stream
Option C. Double tail
The answer is, plasma tail,
which comprises electrons and ions that are ionized by the sun's ultraviolet
radiation.
19.
Which of these is not usually
characteristic of a comet’s orbit?
Option A. Retrograde orbit
Option B. Eccentric to
ecliptic
Option C. Circular orbit
The answer is, Circular
orbit. Comets go around the Sun in a highly elliptical orbit.
20.
The area that meteor showers
originate from in the sky is called?
Option A. Ecliptic
Option B. Zenith
Option C. Radiant
The area that meteor
showers originate from in the sky is called Radiant point
21. What is the object that falls into Earth's atmosphere leaving a lit trail behind it?
Option A. Meteor
Option B. Meteoroid
Option C. Meteorite
Meteor is the object that falls into Earth's
atmosphere leaving a lit trail behind it.
22.
Long term comets are thought to
originate in what area of the solar system?
Option A. Asteroid Belt
Option B. Kuiper Belt
Option C. Oort Cloud
The long term comets tend
to have orbits that are randomly oriented, and not necessarily anywhere near
the ecliptic. They are thought to originate in the Oort cloud.
23.
The nucleus of a comet is
surrounded by what?
Option A. A Tail
Option B. A Coma
Option C. A Full Stop
A cometary nucleus is
composed of rock, dust, and frozen gases. When heated by the Sun, the gases
sublime and produce an atmosphere, surrounding the nucleus known
as the coma.
24.
Meteorites are made of what?
Option A. Rock or Iron
Option B. Ice or Rock
Option C. Cheese or Onion
Meteorites have
traditionally been divided into three broad categories: stony meteorites are
rocks, mainly composed of silicate minerals; iron meteorites that are largely
composed of metallic iron-nickel; and, stony-iron meteorites that contain large
amounts of both metallic and rocky material.
25.
Which
planet is called Red planet due to its rock Iron Oxides?
Option
A. Uranus
Option
B. Mercury
Option
C. Mars
Mars is known as the red
planet due to the presence of iron oxide on its surface. The iron oxide gives
the planet a reddish hue, which can be easily observed from Earth with a
telescope
26.
Stars appear to move from?
Option
A. West to East
Option
B. East to West
Option
C. North to South
Because of how the Earth
rotates, it appears like the stars are moving from east to west. Around its
axis, the Earth revolves from west to east. Therefore, Stars seem to move from
east to west.
27.
Which two planets of the solar
system have no natural satellites?
Option
A. Mercury and Mars
Option
B. Mercury and Venus
Option
C. Venus and Mars
Earth has one moon, and
Mars has two minor moons. Mercury and Venus have no moons at all. The ice
giants Uranus and Neptune, as well as the gas giants Jupiter and Saturn, all
possess several moons.
28.
Which part of the Sun is
visible to humans?
Option
A. Core
Option
B. Atmosphere
Option
C. Photosphere
Photosphere is the
part of the Sun is visible by human. The boundary between the Sun's interior
and the solar atmosphere is called the photosphere. It extends up to around 400
kilometres above the visible surface near the solar disk's core.
29.
Sun rises in the west and sets
in the east in which of the following planets?
Option
A. Venus
Option
B. Mars
Option
C. Uranus
In contrast to the
majority of the planets in our solar system, Venus spins on its axis backward.
This reveals that, contrary to what we observe on Earth, the Sun rises in the
west and sets in the east.
30.
Which among the following takes
the shortest time to revolve around the Sun?
Option
A. Earth
Option
B. Venus
Option
C. Mercury
Mercury takes the shortest
period of time to revolve around the Sun, about 88 days.
31.
Which of the following is the
Sun predominantly made up of?
Option
A. Helium
Option
B. Hydrogen
Option
C. Oxygen
The answer is, Hydrogen.
The Sun is a large sphere
of heated gas that is blazing. Roughly 70% of this gas is hydrogen, while about
28% is helium. 1.5% of matter is made up of carbon, nitrogen, and oxygen, while
the remaining 0.5% is made of other elements.
32.
The largest circular storm in
our solar system is on the surface of which of the following planets?
Option
A. Jupiter
Option
B. Venus
Option
C. Uranus
The answer is, Jupiter.
The largest storm, which
is ever seen in solar system is in Jupiter. Jupiter is the largest planet
in our solar system. It is the planet which is also called the gas giant.
33.
The rapidly moving stream of
charged particles that is being driven away from the sun is known as what?
Option
A. Photon
Option
B. Solar Wind
Option
C. Sun Spot
The answer is, Solar Wind.
The solar
wind is a stream of extremely hot, charged particles that are thrown out
from the upper atmosphere of the sun.
34.
One Jupiter day is equal to
which of the following?
Option
A. 30 Hrs 40 Min
Option
B. 9 Hrs 50 Min
Option
C. 3 Hrs 20 Min
The answer is, 9 Hrs 50 Min.
Jupiter's day varies from
9 hours and 56 minutes around the poles to 9 hours and 50 minutes close to the
equator.
35.
The time interval between two
successive occurrences of a specific type of alignment of a planet or the moon
with the sun and the earth is referred to as?
Option
A. Sidereal Period
Option
B. Opposition
Option
C. Synodic Period
The answer is, Synodic Period.
The time interval between two successive occurrences of a particular type
of lineup of a planet with the Sun and the Earth is called the synodic
period.
36.
How long the Sunspot cycle?
Option
A. 3 Years
Option
B. 11 Years
Option
C. 26 Years
The answer is, 11 Years.
Sunspots can last for
weeks or even years before dissipating. The number of sunspots varies over a
multi-year cycle. Historical records going back to the 1700s reveal that this
sunspot cycle is roughly eleven years long — though sometimes it is
longer or shorter.
37.
In which following types of
galaxies, the Andromeda Galaxy belongs to?
Option
A. Elliptical
Option
B. Spiral
Option
C. Irregular
The answer is, Spiral.
Both the Milky
Way and the Andromeda galaxies belong to a subtype known
as barred spirals, which make up two-thirds of the group. Barred
spirals sport ribbons of stars, gas, and dust that cut across their centres.
Scientists think the presence of a bar indicates that a galaxy has reached full
maturity.
38.
Which unlucky Apollo lunar
landing was cancelled after an oxygen tank exploded?
Option
A. Apollo 12
Option
B. Apollo 11
Option
C. Apollo 13
The answer is, Apollo 13.
Apollo 13 was NASA's
third moon-landing mission, but the astronauts never made it to the lunar
surface. During the mission's dramatic series of events, an oxygen tank
explosion almost 56 hours into the flight forced the crew to abandon all
thoughts of reaching the moon.
39.
There is only one planet in the
solar system has a day which lasts longer than its year. Which one?
Option
A. Venus
Option
B. Jupiter
Option
C. Saturn
The answer is, Venus.
The planet with the
longest day is Venus, which takes 5832 hours to complete one rotation
about its axis. One unique fact about Venus is that it completes the revolution
around the Sun faster than rotation about its axis. This means that the length
of a year in Venus is lesser than that of its day.
40.
Which spacecraft is the first
manned spacecraft?
Option
A. Sputnik 1
Option
B. Vostok 1
Option
C. Voyager 1
The answer is, Vostok 1.
Vostok 1 was the first
spacecraft to carry a human, Yuri A. Gagarin, into space, occurring 25 days
prior to the first U.S. suborbital flight. Because of concerns of adverse
reactions to due to experiencing weightlessness, the manual controls on the
spacecraft were locked prior to launch and the entire flight was under the
control of ground personnel.
41. Which star is nearest to the sun?
Option A. Vega
Option B. Proxima Centauri
Option C. Sirius
The answer is, PROXIMA CENTAURI.
Proxima Centauri is a small, low-mass star
located 4.25 light-years away from the Sun in the southern constellation of Centaurus.
Its Latin name means the 'nearest of Centaurus'. It was discovered in 1915 by
Robert Innes and is the nearest-known star to the Sun.
42. Which
gas is the main component of the atmosphere of Mars?
Option A. Nitrogen
Option B. Argon
Option C. Carbon Dioxide
The answer is, CARBON DIOXIDE.
Mars' atmosphere is 95% carbon
dioxide, 3% nitrogen, 1.6% argon, and it has traces of oxygen, carbon monoxide,
water, methane, and other gases, along with a lot of dust.
43. On
which day of the year does the summer solstice usually occur?
Option A. June 21
Option B. September 5
Option C. March 14
The answer is, JUNE 21.
The summer solstice occurs during the
hemisphere's summer. In the Northern Hemisphere, this is the June solstice (20
or 21 June) and in the Southern Hemisphere, this is the December solstice (21
or 22 of December).
44. Stars
made off with what?
Option A. Hot Gas
Option B. Hot Rock
Option C. Hot Chocolate
The answer is, Hot Gas.
Stars are giant balls of hot gas –
mostly hydrogen, with some helium and small amounts of other elements. Every
star has its own life cycle, ranging from a few million to trillions of years,
and its properties change as it ages.
45.
Where is the Sea of Tranquility?
Option A. Mars
Option B. Earth
Option C. Moon
The answer is, Moon.
Sea of Tranquility is a lunar mare that
sits within the Tranquillitatis basin on the Moon. It is the first
location on another celestial body to be visited by humans.
46.
How hot is the surface of the Sun?
Option A. 10000 °C
Option B. 5600 °C
Option C. 3500 °C
The answer is, 5600 °C.
The temperature at the surface of the Sun
is about 10,000 Fahrenheit that is, 5600 Celsius. The temperature rises
from the surface of the Sun inward towards the very hot center of the Sun where
it reaches about 27,000,000 Fahrenheit that is, 15,000,000 Celsius.
47.
What is the name of our galaxy?
Option A. Milky Way
Option B. Betelgeuse
Option C. Ganymede
The answer is, Milky Way.
Our galaxy is called the Milky
Way because it appears as a milky band of light in the sky when you see it
in a really dark area. The Milky Way is the galaxy that includes the Solar
System, with the name describing the galaxy's appearance from Earth: a hazy
band of light seen in the night sky formed from stars that cannot be
individually distinguished by the naked eye.
48.
Which woman astronaut has set the record for the
longest single spaceflight by a woman?
Option A. Peggy Whitson
Option B. Jessica Meir
Option C. Christina Koch
The correct answer is Christina Koch.
The longest-ever single spaceflight by a
woman was accomplished by NASA astronaut Christina Koch. She spent 328 days on
the ISS, surpassing the previous record set by fellow American Peggy Whitson.
49.
Which of the following space agencies uses a
spacecraft named Hayabusa?
Option A. NASA
Option B. JAXA
Option C. CNES
The answer is, JAXA. (Japan Aerospace
Exploration Agency)
Hayabusa is series of Japanese spacecraft
that explored asteroids. The first Hayabusa studied the asteroid Itokawa and
returned a sample container of dust grains to Earth in 2010.
50.
Who among the following was the first to explain
that the rotation of the earth on its axis accounts for the daily rising and
setting of the sun?
Option A. Aryabhata
Option B. Bhaskara
Option C. Varahamihira
The answer is, Aryabhata.
Aryabhatta, the famous Indian mathematician
who discovered zero was the one who declared that the Earth rotates on its own
axis. He also proved that the reason for the lunar eclipse is the shadow of the
Earth.
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