ब्रह्माण्ड, सौरमण्डल, पृथ्वी की संरचना व अक्षांश-देशान्तर
⏱
15 mins
Time
❓
10
Questions
🎓
1
Per Q
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Select only one option for each question.
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ब्रह्माण्ड, सौरमण्डल, पृथ्वी की संरचना व अक्षांश-देशान्तर — Questions with Answers
Open after you finish the quiz — all 10 questions,
with answers and explanations.
Q1.
According to modern ideology, how many parts does the universe have?
One
Two
Three
Four
Show answer
Answer: B. Two
According to modern ideology, the universe has two parts: (1) Atmosphere, (2) Space.
Q2.
Approximately how many galaxies are there in the universe?
One billion (10⁹)
One trillion (10¹¹)
One hundred billion (10¹⁰)
Ten trillion (10¹²)
Show answer
Answer: B. One trillion (10¹¹)
The universe contains approximately one trillion (10¹¹) galaxies.
Q3.
What is the extent of the observable universe approximately?
10 billion light years
20 billion light years
30 billion light years
40 billion light years
Show answer
Answer: B. 20 billion light years
The observable universe extends approximately 20 billion light years.
Q4.
What is the universe collectively called?
Solar System
Galaxy
Universe
Space
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Answer: C. Universe
The entire space and all types of matter and energy present in it are collectively called the Universe.
Q5.
Which characteristic of the observable universe is mentioned in the text?
It has a definite center
It has no center
It is circular in shape
It is expanding slowly
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Answer: B. It has no center
The observable universe has no center.
Q6.
What are the two parts of the universe according to modern thought?
Atmosphere and Space
Matter and Energy
Galaxies and Stars
Planets and Satellites
Show answer
Answer: A. Atmosphere and Space
According to modern ideology, the universe has two parts: Atmosphere and Space.
Q7.
Which of the following is NOT mentioned as a component of the universe?
Matter
Energy
Space
Time
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Answer: D. Time
Time is not specifically mentioned as a component of the universe in the given text, while matter, energy, and space are mentioned.
Q8.
What does the term 'प्रेक्षणीय ब्रह्माण्ड' mean?
Theoretical Universe
Observable Universe
Expanding Universe
Infinite Universe
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Answer: B. Observable Universe
प्रेक्षणीय ब्रह्माण्ड means Observable Universe - the part of universe that can be observed.
Q9.
Which unit is used to measure the extent of the observable universe?
Kilometers
Light years
Astronomical Units
Parsecs
Show answer
Answer: B. Light years
The extent of the observable universe is measured in light years, specifically about 20 billion light years.
Q10.
According to the text, what collectively forms the universe?
Only space
Only matter
Only energy
Entire space with all types of matter and energy
Show answer
Answer: D. Entire space with all types of matter and energy
The universe is collectively formed by the entire space and all types of matter and energy present in it.
