universe & solar system section 1 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) All meridians are always parallel to one another
(b) An indefinite number of meridians may be drawn on a globe
(c) Meridians are spaced farthest apart at the equator and converge to common points at the poles
(d) All meridians run in a ture North-South direction
The correct answers to the above question in:
Answer: (a)
A meridian is an imaginary line joining the north and south poles at right angles to the equator, designated by degrees of longitude from 0° at Greenwich to 180°.
The position of a point along the meridian is given by its latitude. Each meridian is perpendicular to all circles of latitude.
Discuss Form
Read more universe solar system astronomy Based Indian Geography Questions and Answers
Question : 1
Assertion (A):
To orbit around the Sun the planet Mars takes lesser time than the time taken by the Earth.
Reason (R):
The diameter of the planet Mars is less than that of Earth.
Code
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: (b)
Question : 2
Time taken by light emitted from Sun to reach Earth is
a) 8 minutes
b) 16 minutes
c) 1 minute
d) 2 minutes
Answer »Answer: (a)
Question : 3
The Earth’s axis of rotation (polar axis) is always inclined at an angle of
a) 24.5º from the elliptic axis
b) 23.5º from the elliptic axis
c) 23.1º from the elliptic axis
d) 23.0º from the elliptic axis
Answer »Answer: (b)
Question : 4
Consider the following statements:
- Our solar system is located in the orion arm of the Milky way galaxy, about two-third of the way out from the centre.
- The solar system formed from an interstellar cloud of dust and gas or nebulla about 4.6 billion years ago.
a) Both 1 and 2
b) Neither 1 nor 2
c) 2 only
d) 1 only
Answer »Answer: (a)
Our solar system is located in the Orion arm of the milky way galaxy, about two-thirds of the way out from the center. The sun is about 26,000 light-years from the center of the Milky Way Galaxy, which is about 80,000 to 120,000 light-years across (and less than 7,000 light-years thick).
We are located on one of its spiral arms, out towards the edge. It takes the sun (and our solar system) roughly 200-250 million years to orbit once around the Milky Way. In this orbit, we (and the rest of the Solar System) are traveling at a velocity of about 155 miles/sec (250 km/sec).
Question : 5
Which of the following stars is known as Fossil star?
a) Red Giant
b) White Dwarf
c) Dog Star
d) Protostar
Answer »Answer: (b)
White Dwarf is known as Fossil star. They are supported by electron degeneracy pressure. It amplifies the contrast with red giants. They are both very hot and very small. They are the opposite of black holes. They are the end-products of small, low-mass stars.
Question : 6
Which of the following pairs is not properly matched?
a) The brightest planet of the Solar System - Venus
b) The slowest moving planet of Solar System – Mars
c) The smallest planet of the Solar System - Mercury
d) The largest planet of the Solar System - Jupiter
Answer »Answer: (b)
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 12
universe & solar system section 13
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