Astronomy & Space — Part 1: 40 MCQs with Explanations
40 exam-level astronomy & space MCQs with answers and explanations for PPSC, FPSC, NTS preparation.
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Exam-Level PPSC FPSC NTS CSS
Last updated: Oct 13, 2026
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Q1 of 40
The distance between Earth and Sun is greatest during ____________?
Correct Answer: Option C — Apehelion
Detailed Academic Explanation:
The distance between Earth and Sun is greatest during Apehelion .
💡 Key Conceptual Anchor:
Astronomy & Space
Q2 of 40
A solar eclipse occurs when _________?
Correct Answer: Option D — Moon is between Earth and sun
Detailed Academic Explanation:
A solar eclipse occurs when Moon is between Earth and sun .
💡 Key Conceptual Anchor:
Astronomy & Space
Q3 of 40
_______ is the average distance between the Earth and the sun?
Correct Answer: Option A — Astronomical unit
Detailed Academic Explanation:
Astronomical unit is the average distance between the Earth and the sun.
💡 Key Conceptual Anchor:
Astronomy & Space
Q4 of 40
What is the most abundant form of matter in the universe?
Correct Answer: Option B — Plasma
Detailed Academic Explanation:
Plasma is the correct answer to “What is the most abundant form of matter in the universe”. Items of this type are drawn from the Astronomy & Space — Part 1 syllabus of Pakistani competitive exams, where the fact is tested verbatim.
💡 Key Conceptual Anchor:
Astronomy & Space
Q5 of 40
The distance between the earth and the sun is smallest in the month of _________?
Correct Answer: Option A — January
Detailed Academic Explanation:
The distance between the earth and the sun is smallest in the month of January .
💡 Key Conceptual Anchor:
Astronomy & Space
Q6 of 40
The second largest moon “titan” is belongs to which planet?
Correct Answer: Option B — Saturn
Detailed Academic Explanation:
Saturn is the correct answer to “The second largest moon “titan” is belongs to which planet”. Items of this type are drawn from the Astronomy & Space — Part 1 syllabus of Pakistani competitive exams, where the fact is tested verbatim.
💡 Key Conceptual Anchor:
Astronomy & Space
Q7 of 40
Which planet of our solar system is name after a female?
Correct Answer: Option B — Venus
Detailed Academic Explanation:
Venus is the correct answer to “Which planet of our solar system is name after a female”. Items of this type are drawn from the Astronomy & Space — Part 1 syllabus of Pakistani competitive exams, where the fact is tested verbatim.
💡 Key Conceptual Anchor:
Astronomy & Space
Q8 of 40
What divides the Earth into the Northern and the Southern Hemispheres?
Correct Answer: Option B — Equator
Detailed Academic Explanation:
Equator is the correct answer to “What divides the Earth into the Northern and the Southern Hemispheres”. Items of this type are drawn from the Astronomy & Space — Part 1 syllabus of Pakistani competitive exams, where the fact is tested verbatim.
💡 Key Conceptual Anchor:
Astronomy & Space
Q9 of 40
Stars in the sky appear to twinkle due to _________?
Correct Answer: Option C — a series of refractions
Detailed Academic Explanation:
Stars in the sky appear to twinkle due to a series of refractions .
💡 Key Conceptual Anchor:
Astronomy & Space
Q10 of 40
Nearest star to sun is: __________?
Correct Answer: Option B — Proxima Centurai
Detailed Academic Explanation:
Nearest star to sun is: Proxima Centurai .
💡 Key Conceptual Anchor:
Astronomy & Space
Q11 of 40
Which among the following waves is used for communication by artificial satellites?
Correct Answer: Option A — C. M.
Detailed Academic Explanation:
C. M. is the correct answer to “Which among the following waves is used for communication by artificial satellites”. Items of this type are drawn from the Astronomy & Space — Part 1 syllabus of Pakistani competitive exams, where the fact is tested verbatim.
💡 Key Conceptual Anchor:
Astronomy & Space
Q12 of 40
Total number of moons in entire Solar System are:__________?
Correct Answer: Option C — More Than 200
Detailed Academic Explanation:
Total number of moons in entire Solar System are: More Than 200 .
💡 Key Conceptual Anchor:
Astronomy & Space
Q13 of 40
A shooting star is _________?
Correct Answer: Option D — A meteor
Detailed Academic Explanation:
A shooting star is A meteor .
💡 Key Conceptual Anchor:
Astronomy & Space
Q14 of 40
The Shape of earth is _________?
Correct Answer: Option A — Oblate Spheroid
Detailed Academic Explanation:
The Shape of earth is Oblate Spheroid .
💡 Key Conceptual Anchor:
Astronomy & Space
Q15 of 40
Which Planet is also known as Winter Planet?
Correct Answer: Option A — Jupiter
Detailed Academic Explanation:
Jupiter is the correct answer to “Which Planet is also known as Winter Planet”. Items of this type are drawn from the Astronomy & Space — Part 1 syllabus of Pakistani competitive exams, where the fact is tested verbatim.
💡 Key Conceptual Anchor:
Astronomy & Space
Q16 of 40
Which is the only planet that rotates clockwise?
Correct Answer: Option D — Venus
Detailed Academic Explanation:
Venus is the correct answer to “Which is the only planet that rotates clockwise”. Items of this type are drawn from the Astronomy & Space — Part 1 syllabus of Pakistani competitive exams, where the fact is tested verbatim.
💡 Key Conceptual Anchor:
Astronomy & Space
Q17 of 40
Planets having largest amount of Carbon Dioxide is ____________?
Correct Answer: Option B — Venus
Detailed Academic Explanation:
Planets having largest amount of Carbon Dioxide is Venus .
💡 Key Conceptual Anchor:
Astronomy & Space
Q18 of 40
Milky Way Galaxy in which type?
Correct Answer: Option D — spiral
Detailed Academic Explanation:
spiral is the correct answer to “Milky Way Galaxy in which type”. Items of this type are drawn from the Astronomy & Space — Part 1 syllabus of Pakistani competitive exams, where the fact is tested verbatim.
💡 Key Conceptual Anchor:
Astronomy & Space
Q19 of 40
Mercury is the closest planet to the Sun, but Venus is hotter than Mercury because of its_________?
Correct Answer: Option C — atmosphere
Detailed Academic Explanation:
Mercury is the closest planet to the Sun, but Venus is hotter than Mercury because of its atmosphere .
💡 Key Conceptual Anchor:
Astronomy & Space
Q20 of 40
The earth revolves around the sun at a speed of__________?
Correct Answer: Option C — 29 km/sec
Detailed Academic Explanation:
The earth revolves around the sun at a speed of 29 km/sec .
💡 Key Conceptual Anchor:
Astronomy & Space
Q21 of 40
What is the degree of rotation of the earth each hour?
Correct Answer: Option B — 15°
Detailed Academic Explanation:
15° is the correct answer to “What is the degree of rotation of the earth each hour”. Items of this type are drawn from the Astronomy & Space — Part 1 syllabus of Pakistani competitive exams, where the fact is tested verbatim.
💡 Key Conceptual Anchor:
Astronomy & Space
Q22 of 40
Only object of earth can be seen from Moon What it is?
Correct Answer: Option D — Wall of China
Detailed Academic Explanation:
Only object of earth can be seen from Moon What it is Wall of China.
💡 Key Conceptual Anchor:
Astronomy & Space
Q23 of 40
The Distance of Neptune From Sun is ________ astronomical unit.
Correct Answer: Option C — 30
Detailed Academic Explanation:
The Distance of Neptune From Sun is 30 astronomical unit.
💡 Key Conceptual Anchor:
Astronomy & Space
Q24 of 40
NASA unveils the new Moon suit, which is known formally as____________?
Correct Answer: Option D — Exploration Extravehicular Mobility Unit (xEMU)
Detailed Academic Explanation:
NASA unveils the new Moon suit, which is known formally as Exploration Extravehicular Mobility Unit (xEMU) .
💡 Key Conceptual Anchor:
Astronomy & Space
Q25 of 40
Apart from Venus, which planet rotates from east to west?
Correct Answer: Option D — Uranus
Detailed Academic Explanation:
Uranus is the correct answer to “Apart from Venus, which planet rotates from east to west”. Items of this type are drawn from the Astronomy & Space — Part 1 syllabus of Pakistani competitive exams, where the fact is tested verbatim.
💡 Key Conceptual Anchor:
Astronomy & Space
Q26 of 40
Our sun is classified as?
Correct Answer: Option B — Yellow draft
Detailed Academic Explanation:
Yellow draft is the correct answer to “Our sun is classified as”. Items of this type are drawn from the Astronomy & Space — Part 1 syllabus of Pakistani competitive exams, where the fact is tested verbatim.
💡 Key Conceptual Anchor:
Astronomy & Space
Q27 of 40
In how many days pluto revolves around the sun _____?
Correct Answer: Option B — 248 years
Detailed Academic Explanation:
In how many days pluto revolves around the sun 248 years .
💡 Key Conceptual Anchor:
Astronomy & Space
Q28 of 40
In what year did Galileo first use an optical telescope to study the moon?
Correct Answer: Option D — 1609
Detailed Academic Explanation:
1609 is the correct answer to “In what year did Galileo first use an optical telescope to study the moon”. Items of this type are drawn from the Astronomy & Space — Part 1 syllabus of Pakistani competitive exams, where the fact is tested verbatim.
💡 Key Conceptual Anchor:
Astronomy & Space
Q29 of 40
Communication satellites are in which orbit?
Correct Answer: Option A — Geostationary
Detailed Academic Explanation:
Geostationary is the correct answer to “Communication satellites are in which orbit”. Items of this type are drawn from the Astronomy & Space — Part 1 syllabus of Pakistani competitive exams, where the fact is tested verbatim.
💡 Key Conceptual Anchor:
Astronomy & Space
Q30 of 40
Which element is called earth maker?
Correct Answer: Option B — Silicon
Detailed Academic Explanation:
Silicon is the correct answer to “Which element is called earth maker”. Items of this type are drawn from the Astronomy & Space — Part 1 syllabus of Pakistani competitive exams, where the fact is tested verbatim.
💡 Key Conceptual Anchor:
Astronomy & Space
Q31 of 40
Earth revolves around the sun from?
Correct Answer: Option D — West to East
Detailed Academic Explanation:
West to East is the correct answer to “Earth revolves around the sun from”. Items of this type are drawn from the Astronomy & Space — Part 1 syllabus of Pakistani competitive exams, where the fact is tested verbatim.
💡 Key Conceptual Anchor:
Astronomy & Space
Q32 of 40
Which of the following planets rotate from east to west on its exis?
Correct Answer: Option D — Venus, Uranus
Detailed Academic Explanation:
Venus, Uranus is the correct answer to “Which of the following planets rotate from east to west on its exis”. Items of this type are drawn from the Astronomy & Space — Part 1 syllabus of Pakistani competitive exams, where the fact is tested verbatim.
💡 Key Conceptual Anchor:
Astronomy & Space
Q33 of 40
The earth surface & crust constantly evolving due to?
Correct Answer: Option D — Rock cycle
Detailed Academic Explanation:
Rock cycle is the correct answer to “The earth surface & crust constantly evolving due to”. Items of this type are drawn from the Astronomy & Space — Part 1 syllabus of Pakistani competitive exams, where the fact is tested verbatim.
💡 Key Conceptual Anchor:
Astronomy & Space
Q34 of 40
The brightest colour emitted by the sun is:
Correct Answer: Option C — Yellow-Green
Detailed Academic Explanation:
Yellow-Green is the correct answer to “The brightest colour emitted by the sun is:”. Items of this type are drawn from the Astronomy & Space — Part 1 syllabus of Pakistani competitive exams, where the fact is tested verbatim.
💡 Key Conceptual Anchor:
Astronomy & Space
Q35 of 40
The time in which Earth completes its revolution around the Sun is________?
Correct Answer: Option B — 365.25 days
Detailed Academic Explanation:
The time in which Earth completes its revolution around the Sun is 365.25 days .
💡 Key Conceptual Anchor:
Astronomy & Space
Q36 of 40
Which of the following is called as Blue planet?
Correct Answer: Option A — Earth
Detailed Academic Explanation:
Earth is the correct answer to “Which of the following is called as Blue planet”. Items of this type are drawn from the Astronomy & Space — Part 1 syllabus of Pakistani competitive exams, where the fact is tested verbatim.
💡 Key Conceptual Anchor:
Astronomy & Space
Q37 of 40
The movement of earth around sun brings ________?
Correct Answer: Option C — Seasons
Detailed Academic Explanation:
The movement of earth around sun brings Seasons .
💡 Key Conceptual Anchor:
Astronomy & Space
Q38 of 40
A man presses more weight on earth at___?
Correct Answer: Option B — Standing Position
Detailed Academic Explanation:
A man presses more weight on earth at Standing Position .
💡 Key Conceptual Anchor:
Astronomy & Space
Q39 of 40
What is the rank of the earth in the solar system in terms of size?
Correct Answer: Option A — 4th
Detailed Academic Explanation:
4th is the correct answer to “What is the rank of the earth in the solar system in terms of size”. Items of this type are drawn from the Astronomy & Space — Part 1 syllabus of Pakistani competitive exams, where the fact is tested verbatim.
💡 Key Conceptual Anchor:
Astronomy & Space
Q40 of 40
The lowest temperature ever recorded on the Earth is?
Correct Answer: Option D — –89.2 °C
Detailed Academic Explanation:
The lowest temperature ever recorded on the Earth is –89.2 °C.
💡 Key Conceptual Anchor:
Astronomy & Space
💡 How to Use These MCQs
Self-Assessment: Test your current knowledge level before studying.
Learning Aid: Read explanations carefully to understand concepts, not just memorize answers.
Revision Tool: Review these questions periodically before exams.
Time Management: Practice answering within time limits to improve speed.