universe & solar system section 4 MCQ Questions & Answers Detailed Explanation
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The following question based on Universe, solar system and Astronomy topic of indian geography mcq
- A planet is a celestial body that orbits a star and may or may not be a star itself
- A planet has sufficient mass for self gravity and is roughly spherical in shape
- A planet is formed out of fragments of rocks and metal leftovers is our solar system
- Pluto is the smaller planet of our solar system
(a) 2 and 4
(b) 2, 3 and 4
(c) 2 only
(d) 1 and 2
The correct answers to the above question in:
Answer: (d)
The definition of a planet was revised again in 2006. According to NASA, the International Astronomical Union (IAU) most recently defines a planet as a celestial body that:
- Is in orbit around a star, but is not itself a satellite.
- Has sufficient mass so it is nearly spherical in shape.
- Has cleared the neighborhood around its orbit.
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Read more universe solar system astronomy Based Indian Geography Questions and Answers
Question : 1
Consider the following two statements, one labelled as the Assertion (A) and other as Reason (R). Examine these two statements carefully and select the correct answer by using the codes given below:
Assertion (A):
The planet Neptune appears blue in colour.
Reason (R):
The presence of Methane gas in the atmosphere of Neptune is responsible for its colour.
Codes:
a) A is true, but R is false.
b) A is false, but R is true.
c) Both A and R are true, but R is not the correct explanation of A.
d) Both A and R are true and R is the correct explanation of A.
Answer »Answer: (d)
Neptune’s atmosphere is made up of hydrogen, helium and methane. The methane in Neptune’s upper atmosphere absorbs the red light from the sun but reflects the blue light from the Sun back into space. This is why Neptune appears blue.
Question : 2
Earthquakes are important in landform studies because they can trigger catastrophic events like
- Landslides and mudflows
- Glacier surges
- Tsunamis causing damage and shoreline changes.
a) 1 and 2
b) 1 and 3
c) 3 only
d) 1, 2 and 3
Answer »Answer: (d)
Question : 3
Which one of the following has geographical position of 0° latitude and 0° longitude?
a) In Ghana, a West African country
b) At Greenwich Observatory in England
c) In the Mediterranean Sea
d) In the South Atlantic Ocean
Answer »Answer: (b)
Greenwich Mean Time (GMT) is the mean solar time at the Royal Observatory in Greenwich(London).
The Royal Observatory is also the source of the Prime Meridian of the world, Longitude 0° 0’ 0’’.
Every place on the Earth is measured in terms of its distance east or west from this line. The Prime Meridian runs through Greenwich (England) and is at 0° longitude.
Question : 4
How much is the mass of the moon when compared with that of the earth ?
a) 1/51
b) 1/8
c) 1/81
d) 1/49
Answer »Answer: (c)
Question : 5
The last stage in the life cycle of a star is
a) Red Giant
b) White Dwarf
c) Supernova
d) Black Hole
Answer »Answer: (b)
The last stage in the life circle of a star is white dwarf. Small stars, like the Sun, will undergo a relatively peaceful and beautiful death that sees them pass through a planetary nebula phase to become a white dwarf.
Question : 6
The Earth becomes minimum distance from the sun?
a) 22nd March
b) 21st September
c) 4th July
d) 3rd January
Answer »Answer: (d)
The Earth shows minimum distance from the Sun on 3rd January.
GET Universe, solar system and Astronomy PRACTICE TEST EXERCISES
universe & solar system section 1
universe & solar system section 2
universe & solar system section 3
universe & solar system section 4
universe & solar system section 5
universe & solar system section 6
universe & solar system section 7
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universe & solar system section 10
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universe & solar system section 12
universe & solar system section 13
Universe, solar system and Astronomy Shortcuts and Techniques with Examples
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