Welcome to the Stars, Galaxies, and the Universe MCQs with Answers. In this post, we are sharing Stars, Galaxies, and the Universe Multiple Choice Questions and Answers in Everyday Science section for various competitive exams in Pakistan. Each question offers a chance to enhance your knowledge regarding Stars, Galaxies, and the Universe online MCQs Test.
Which of the following is the closest star to Earth?
a) Proxima Centauri
b) Sirius
c) Betelgeuse
d) Alpha Centauri A
What is the name of our galaxy?
a) Andromeda Galaxy
b) Milky Way Galaxy
c) Sombrero Galaxy
d) Triangulum Galaxy
Which force is responsible for the formation of stars?
a) Electromagnetic force
b) Nuclear force
c) Gravitational force
d) Weak force
What is the largest type of star in the universe?
a) Red dwarf
b) White dwarf
c) Supergiant
d) Neutron star
Which element is the primary fuel for stars during their main sequence?
a) Helium
b) Oxygen
c) Hydrogen
d) Carbon
What is a black hole?
a) A star that has exploded
b) A region in space where gravity is so strong that nothing, not even light, can escape
c) A dense star remnant
d) A type of galaxy
What is the term for a large group of stars, gas, and dust held together by gravity?
a) Galaxy
b) Nebula
c) Solar System
d) Supernova
What is the final stage in the life cycle of a massive star?
a) Red giant
b) White dwarf
c) Black hole
d) Neutron star
What type of galaxy is the Milky Way?
a) Elliptical galaxy
b) Spiral galaxy
c) Irregular galaxy
d) Lenticular galaxy
Which of the following is a method used to determine the distance to stars?
a) Parallax
b) Doppler shift
c) Redshift
d) Hubble’s law
What is a supernova?
a) A collapsing black hole
b) The explosion of a star
c) The formation of a new star
d) A cluster of galaxies
Which is the most abundant element in the universe?
a) Oxygen
b) Carbon
c) Helium
d) Hydrogen
What is the name of the closest galaxy to the Milky Way?
a) Andromeda Galaxy
b) Triangulum Galaxy
c) Large Magellanic Cloud
d) Small Magellanic Cloud
Which theory explains the origin of the universe?
a) Steady State Theory
b) Big Bang Theory
c) Nebular Theory
d) Oscillating Universe Theory
What is a neutron star primarily composed of?
a) Protons
b) Electrons
c) Neutrons
d) Photons
What type of galaxy is the Andromeda Galaxy?
a) Irregular
b) Elliptical
c) Spiral
d) Lenticular
What is the event horizon of a black hole?
a) The core of a black hole
b) The outer layer of a black hole
c) The boundary beyond which nothing can escape
d) The material orbiting a black hole
What is the name for a group of stars that appear close together in the sky?
a) Nebula
b) Galaxy
c) Constellation
d) Cluster
What is the fate of a star smaller than the Sun?
a) It will become a supernova
b) It will collapse into a black hole
c) It will form a white dwarf
d) It will form a neutron star
What is the cosmic microwave background?
a) Light from stars
b) Radiation left over from the Big Bang
c) Heat emitted by galaxies
d) Energy from black holes
Which galaxy is moving toward the Milky Way and may collide with it in the distant future?
a) Sombrero Galaxy
b) Large Magellanic Cloud
c) Andromeda Galaxy
d) Triangulum Galaxy
What is the approximate age of the universe according to current estimates?
a) 4.6 billion years
b) 10 billion years
c) 13.8 billion years
d) 20 billion years
What do astronomers use to study distant galaxies and stars?
a) Telescopes
b) Microscopes
c) Spectrometers
d) Cameras
What is dark matter?
a) Matter that emits light
b) Matter that interacts with electromagnetic radiation
c) Matter that does not emit or absorb light
d) Matter that forms black holes
Which planet in our solar system has the largest number of moons?
a) Earth
b) Saturn
c) Jupiter
d) Uranus
Which galaxy is known as the “Sombrero Galaxy” due to its shape?
a) M87
b) M31
c) M104
d) M81
What type of galaxy is most commonly found in the universe?
a) Spiral
b) Elliptical
c) Irregular
d) Lenticular
What is a white dwarf?
a) A newly formed star
b) A planet-like object
c) A small, dense star that remains after a low-mass star has exhausted its nuclear fuel
d) The center of a galaxy
What is the name of the most famous space telescope that has provided deep space images?
a) Chandra
b) Spitzer
c) Hubble
d) Kepler
What is the main difference between a star and a planet?
a) Stars emit their own light, while planets reflect the light of stars
b) Planets are larger than stars
c) Stars orbit planets
d) Planets are made of gas, and stars are made of rock
What is a pulsar?
a) A planet with a strong magnetic field
b) A rapidly spinning neutron star that emits beams of radiation
c) A type of black hole
d) A supernova remnant
What is the main component of a galaxy?
a) Stars
b) Black holes
c) Nebulae
d) Planets
What causes a star to twinkle when observed from Earth?
a) Its rapid rotation
b) Variations in its brightness
c) Atmospheric turbulence
d) Gravitational lensing
What is the phenomenon called when a star increases in brightness due to a sudden outburst?
a) Nova
b) Supernova
c) Quasar
d) Pulsar
What type of object is a quasar?
a) A distant, highly energetic active galactic nucleus
b) A nearby planet
c) A dying star
d) A comet orbiting a black hole
What is the term for the remnants of a supernova explosion?
a) Red giant
b) White dwarf
c) Nebula
d) Black hole
What do scientists believe is causing the acceleration of the universe’s expansion?
a) Dark energy
b) Gravitational pull
c) Black holes
d) Cosmic microwave background radiation
If you are interested to enhance your knowledge regarding Physics, Chemistry, Computer, and Biology please click on the link of each category, you will be redirected to dedicated website for each category.
