Welcome to the Dwarf Planets MCQs with Answers. In this post, we are sharing Dwarf Planets Multiple Choice Questions and Answers in Astronomy section for various competitive exams in Pakistan. Each question offers a chance to enhance your knowledge regarding Dwarf Planets online MCQs Test.
Which of the following is classified as a dwarf planet?
a) Mercury
b) Mars
c) Pluto
d) Venus
What defines a celestial body as a dwarf planet?
a) It must be larger than Earth
b) It must orbit the Sun and have sufficient mass for a nearly round shape but not clear its orbit
c) It must have moons
d) It must be located in the Kuiper Belt
Which dwarf planet is known for its large moon, Charon?
a) Eris
b) Haumea
c) Pluto
d) Ceres
What is the largest dwarf planet in the Solar System?
a) Haumea
b) Eris
c) Ceres
d) Pluto
Which dwarf planet is located in the asteroid belt between Mars and Jupiter?
a) Pluto
b) Ceres
c) Eris
d) Haumea
Which dwarf planet has an unusually elongated shape due to its rapid rotation?
a) Haumea
b) Eris
c) Pluto
d) Ceres
Which of the following dwarf planets is known for its reddish color and is located beyond Neptune’s orbit?
a) Eris
b) Ceres
c) Haumea
d) Pluto
Which dwarf planet was discovered in 2006 and is named after the Hawaiian goddess of fertility?
a) Haumea
b) Eris
c) Ceres
d) Pluto
Which of the following dwarf planets is the closest to the Sun?
a) Pluto
b) Eris
c) Haumea
d) Ceres
What characteristic is used to distinguish a dwarf planet from a planet?
a) The dwarf planet has a more elliptical orbit
b) The dwarf planet cannot clear its orbit of other debris
c) The dwarf planet must be located in the Kuiper Belt
d) The dwarf planet must have rings
Which dwarf planet has the most massive moon relative to itself?
a) Pluto
b) Haumea
c) Eris
d) Ceres
In which year was Pluto reclassified as a dwarf planet?
a) 1990
b) 2000
c) 2006
d) 2010
Which of the following dwarf planets was the first to be discovered?
a) Haumea
b) Pluto
c) Eris
d) Ceres
What is the name of the large crater on Ceres?
a) Occator Crater
b) Vesta Crater
c) Eris Crater
d) Charon Crater
Which dwarf planet is the farthest from the Sun?
a) Pluto
b) Haumea
c) Eris
d) Ceres
Which dwarf planet has a moon called Dysnomia?
a) Haumea
b) Eris
c) Pluto
d) Ceres
What is unique about the surface of Haumea?
a) It is covered in ice
b) It has a smooth, metallic surface
c) It has large, dark spots
d) It is covered in a reddish dust
Which dwarf planet was named after the Roman goddess of the underworld?
a) Haumea
b) Eris
c) Ceres
d) Pluto
What is the average diameter of Ceres?
a) About 940 km
b) About 1,200 km
c) About 1,600 km
d) About 2,000 km
Which dwarf planet is known for its bright spots in a large crater?
a) Eris
b) Haumea
c) Pluto
d) Ceres
Which dwarf planet has an equatorial ridge and two moons named Hi’iaka and Namaka?
a) Eris
b) Haumea
c) Pluto
d) Ceres
Which dwarf planet was discovered by the astronomer Clyde Tombaugh in 1930?
a) Haumea
b) Eris
c) Ceres
d) Pluto
Which dwarf planet is known for its unusually high albedo and bright surface?
a) Ceres
b) Haumea
c) Eris
d) Pluto
What discovery was made about Pluto’s atmosphere during the New Horizons mission?
a) It has a thin, hazy atmosphere
b) It has no atmosphere
c) It has a thick, nitrogen-rich atmosphere
d) It has a rapidly changing atmosphere
Which dwarf planet is known for its extreme axial tilt?
a) Haumea
b) Eris
c) Pluto
d) Ceres
What characteristic is used to determine the classification of Eris as a dwarf planet?
a) It orbits the Sun and has a nearly round shape but does not clear its orbit
b) It is the largest object in the Kuiper Belt
c) It has multiple moons
d) It has a highly elliptical orbit
Which dwarf planet is most known for its surface features resembling a mix of ice and rock?
a) Haumea
b) Eris
c) Pluto
d) Ceres
Which dwarf planet was found to have a blue color in its atmosphere, indicating methane presence?
a) Eris
b) Haumea
c) Pluto
d) Ceres
Which of these dwarf planets is located within the Kuiper Belt?
a) Ceres
b) Eris
c) Haumea
d) All of the above
What is the surface composition of Eris primarily composed of?
a) Ice and rock
b) Methane and nitrogen
c) Water ice and carbon dioxide
d) Sulfur dioxide and nitrogen
Which dwarf planet is notable for having the largest known moon-to-dwarf planet ratio?
a) Haumea
b) Eris
c) Pluto
d) Ceres
Which dwarf planet was named after the Greek goddess of chaos and discord?
a) Haumea
b) Eris
c) Ceres
d) Pluto
Which of the following dwarf planets has an elongated shape due to its fast rotation?
a) Haumea
b) Eris
c) Pluto
d) Ceres
Which dwarf planet has a surface marked by bright and dark patches that suggest a complex history of geological activity?
a) Pluto
b) Eris
c) Haumea
d) Ceres
What year did Ceres become recognized as a dwarf planet?
a) 1801
b) 2006
c) 2015
d) 2020
Which dwarf planet’s surface is characterized by large ice deposits?
a) Eris
b) Haumea
c) Pluto
d) Ceres
What is the surface feature of Pluto known for its heart-shaped region?
a) Sputnik Planitia
b) Occator Crater
c) Vesta Basin
d) Haumea Ridge
Which dwarf planet has been observed to have a reddish surface due to tholins?
a) Pluto
b) Haumea
c) Eris
d) Ceres
What is the primary component of the surface of Ceres?
a) Ice
b) Rock
c) Water
d) Methane
Which dwarf planet was discovered by Mike Brown and his team in 2005?
a) Haumea
b) Eris
c) Ceres
d) Pluto
Which dwarf planet is known for its unusual reddish color and is located in the Kuiper Belt?
a) Pluto
b) Haumea
c) Eris
d) Ceres
What is the largest moon of Haumea called?
a) Namaka
b) Dysnomia
c) Charon
d) Hi’iaka
Which dwarf planet is characterized by having two distinct types of surface features: dark areas and bright spots?
a) Pluto
b) Haumea
c) Ceres
d) Eris
Which dwarf planet is named after the goddess of agriculture?
a) Haumea
b) Eris
c) Ceres
d) Pluto
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