Welcome to the Milky Way Galaxy MCQs with Answers. In this post, we are sharing Milky Way Galaxy Multiple Choice Questions and Answers in Astronomy section for various competitive exams in Pakistan. Each question offers a chance to enhance your knowledge regarding Milky Way Galaxy online MCQs Test.
What is the shape of the Milky Way Galaxy?
a) Elliptical
b) Irregular
c) Spiral
d) Lenticular
How many arms does the Milky Way Galaxy have?
a) Two
b) Four
c) Six
d) Eight
What is the approximate diameter of the Milky Way Galaxy?
a) 50,000 light-years
b) 100,000 light-years
c) 150,000 light-years
d) 200,000 light-years
What is the name of the central bulge of the Milky Way Galaxy?
a) Galactic Halo
b) Galactic Disk
c) Galactic Core
d) Galactic Bulge
Which of the following is located in the Milky Way Galaxy’s disk?
a) Open Clusters
b) Globular Clusters
c) Neutron Stars
d) Pulsars
What is the name of the supermassive black hole at the center of the Milky Way Galaxy?
a) Sagittarius A*
b) Andromeda A*
c) Cygnus X-1
d) Virgo A*
What is the Milky Way Galaxy’s classification in the Hubble sequence?
a) S0
b) Sb
c) Sc
d) Sa
Which arm of the Milky Way Galaxy is closest to the Solar System?
a) Perseus Arm
b) Orion Arm
c) Carina-Sagittarius Arm
d) Scutum-Centaurus Arm
Which type of stars are predominantly found in the Milky Way Galaxy’s halo?
a) Red Giants
b) Blue Supergiants
c) Old Stars
d) Young Stars
What is the Milky Way Galaxy’s rotational period around its center?
a) 100 million years
b) 200 million years
c) 250 million years
d) 500 million years
Which of the following is not a type of star cluster found in the Milky Way Galaxy?
a) Globular Clusters
b) Open Clusters
c) Quasar Clusters
d) Young Clusters
What is the approximate number of stars in the Milky Way Galaxy?
a) 100 billion
b) 200 billion
c) 300 billion
d) 400 billion
Which constellation contains the direction toward the Milky Way’s center?
a) Orion
b) Sagittarius
c) Andromeda
d) Cygnus
What is the main component of the Milky Way Galaxy’s halo?
a) Dark Matter
b) Nebulae
c) Pulsars
d) Molecular Clouds
Which phenomenon occurs when the Milky Way Galaxy’s disk collides with another galaxy?
a) Galactic Merger
b) Star Formation
c) Quasar Formation
d) Supernova Explosion
What is the approximate age of the Milky Way Galaxy?
a) 1 billion years
b) 5 billion years
c) 10 billion years
d) 13.8 billion years
Which of these structures is not a part of the Milky Way Galaxy?
a) Galactic Core
b) Galactic Disk
c) Galactic Ring
d) Galactic Halo
What is the primary method used to study the structure of the Milky Way Galaxy?
a) Infrared Observations
b) Radio Telescopes
c) Optical Telescopes
d) X-ray Telescopes
Which of the following is a characteristic feature of the Milky Way Galaxy’s spiral arms?
a) High-density star regions
b) Large gas clouds
c) Predominantly elliptical stars
d) Predominantly young stars
Which part of the Milky Way Galaxy is responsible for most of its star formation?
a) Galactic Core
b) Galactic Halo
c) Galactic Disk
d) Galactic Bulge
What is the name of the group of galaxies to which the Milky Way belongs?
a) Local Group
b) Virgo Cluster
c) Laniakea Supercluster
d) Andromeda Group
What is the main feature of the Milky Way Galaxy’s central bulge?
a) High density of old stars
b) Young star-forming regions
c) Large molecular clouds
d) Active star clusters
Which structure in the Milky Way Galaxy is composed of stars, gas, and dust arranged in a flat, rotating disk?
a) Galactic Halo
b) Galactic Core
c) Galactic Disk
d) Galactic Bulge
What type of star clusters are mainly found in the Milky Way’s halo?
a) Open Clusters
b) Globular Clusters
c) Star-forming Clusters
d) Binary Clusters
Which galaxy is located closest to the Milky Way Galaxy?
a) Triangulum Galaxy
b) Andromeda Galaxy
c) Large Magellanic Cloud
d) Small Magellanic Cloud
What causes the Milky Way Galaxy’s spiral arms to form?
a) Gravitational forces and density waves
b) Random star movements
c) Galactic collisions
d) Dark matter distribution
Which type of galaxy is the Milky Way most similar to in terms of structure?
a) Elliptical Galaxy
b) Irregular Galaxy
c) Lenticular Galaxy
d) Spiral Galaxy
What phenomenon can be observed as a result of the Milky Way Galaxy’s rotation?
a) Star formation in the disk
b) Black hole activity in the core
c) Supernova explosions in the halo
d) Dark matter interactions
Which astronomical object is not typically found in the Milky Way Galaxy’s halo?
a) Globular Clusters
b) Dark Matter
c) Open Clusters
d) Old Stars
What is the role of the Milky Way Galaxy’s central supermassive black hole?
a) It regulates star formation
b) It influences the galaxy’s rotation
c) It attracts nearby galaxies
d) It generates X-rays
Which region of the Milky Way Galaxy contains the most star-forming activity?
a) Galactic Halo
b) Galactic Bulge
c) Galactic Disk
d) Galactic Core
How many known major spiral arms does the Milky Way Galaxy have?
a) Two
b) Three
c) Four
d) Five
What is the Milky Way Galaxy’s primary method of detecting dark matter?
a) Observing galaxy rotation curves
b) Measuring star temperatures
c) Analyzing light from distant galaxies
d) Studying cosmic microwave background radiation
Which of the following galaxies is a satellite galaxy of the Milky Way?
a) Andromeda Galaxy
b) Large Magellanic Cloud
c) Triangulum Galaxy
d) Messier 87
What is the approximate mass of the Milky Way Galaxy?
a) 1 trillion solar masses
b) 100 billion solar masses
c) 500 billion solar masses
d) 10 trillion solar masses
Which feature of the Milky Way Galaxy’s disk contains the majority of its young stars?
a) The central bulge
b) The spiral arms
c) The halo
d) The galactic core
What type of galaxy is the Milky Way classified as in the Hubble sequence?
a) Sa
b) Sb
c) Sc
d) Sd
Which tool has been instrumental in mapping the Milky Way Galaxy’s structure?
a) Hubble Space Telescope
b) Very Large Array
c) Chandra X-ray Observatory
d) Sloan Digital Sky Survey
Which phenomenon is commonly observed in the Milky Way Galaxy’s spiral arms?
a) Supernovae
b) Quasars
c) Black holes
d) Gamma-ray bursts
What is the name of the small, irregular galaxies orbiting the Milky Way Galaxy?
a) Dwarf Galaxies
b) Satellite Galaxies
c) Companion Galaxies
d) Nebular Galaxies
What type of star clusters are primarily found in the Milky Way’s halo?
a) Open Clusters
b) Globular Clusters
c) Star-forming Clusters
d) Brown Dwarf Clusters
Which of the following is not a major component of the Milky Way Galaxy?
a) Dark Matter Halo
b) Stellar Halo
c) Galactic Core
d) Galactic Disk
Which region of the Milky Way Galaxy is characterized by a high density of old stars and globular clusters?
a) Galactic Disk
b) Galactic Bulge
c) Galactic Halo
d) Galactic Core
What is the primary component of the Milky Way Galaxy’s bulge?
a) Young stars
b) Molecular clouds
c) Old stars and black holes
d) Star-forming nebulae
What is the name of the structure that extends beyond the Milky Way’s disk and contains old stars and globular clusters?
a) Galactic Halo
b) Galactic Disk
c) Galactic Core
d) Galactic Bulge
Which of the following is true about the Milky Way Galaxy’s rotation?
a) It rotates in a counter-clockwise direction
b) It rotates around its core
c) Its rotation speed is constant across the disk
d) It has no rotation
What type of gas clouds are prevalent in the Milky Way Galaxy’s spiral arms?
a) Molecular Clouds
b) H II Regions
c) Dark Nebulae
d) Supernova Remnants
Which region of the Milky Way Galaxy is most associated with active star formation?
a) Galactic Halo
b) Galactic Bulge
c) Galactic Disk
d) Galactic Core
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