Solar System Quiz Level-2
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Geography – Solar System
Duration: 10 Mins.
- The test contains 25 total questions.
- Each question has 4 options out of which only one is correct.
- You have to finish the test in 10 minutes.
- I have read all the instructions carefully and have understood them. I agree not to cheat or use unfair means in this examination. I understand that using unfair means of any sort for my own or someone else’s advantage will lead to my immediate disqualification. The decision of ashishblogssc.in will be final in these matters and cannot be appealed.
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Question 1 of 25
1. Question
1 pointsQ1. Consider the following statements about Venus:
1. It rotates from east to west.
2. It has the longest rotation period of any planet.
Which of the above is/are correct?
शुक्र के बारे में निम्नलिखित कथनों पर विचार करें:
1. यह पूर्व से पश्चिम की ओर घूमता है।
2. इसका घूर्णन काल सभी ग्रहों में सबसे से लंबा है।
उपयुक्त कथन/कथन सही हैं:Correct
Explanation: Venus rotates retrograde (east to west), and has the longest rotation period (~243 Earth days),making both statements correct.
Incorrect
Explanation: Venus rotates retrograde (east to west), and has the longest rotation period (~243 Earth days),making both statements correct.
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Question 2 of 25
2. Question
1 pointsQ2. Statement: Jupiter emits more energy than it receives from the Sun.
Reason: It has strong gravitational contraction generating internal heat.
कथन: बृहस्पति सूर्य से प्राप्त ऊर्जा से अधिक ऊर्जा उत्सर्जित करता है।
कारण: इसकी गुरुत्वीय संकुचन ऊर्जा उत्पन्न करती है।Correct
Explanation: Jupiter radiates more energy than it receives due to Kelvin–Helmholtz mechanism—gravitational compression producing heat.
Incorrect
Explanation: Jupiter radiates more energy than it receives due to Kelvin–Helmholtz mechanism—gravitational compression producing heat.
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Question 3 of 25
3. Question
1 pointsQ3. Which of the following planets has no natural satellite?
निम्नलिखत में से किस ग्रह का कोई प्राकृतिक उपग्रह नहीं है?Correct
Explanation: Mercury and Venus are the only planets without any natural satellites
Incorrect
Explanation: Mercury and Venus are the only planets without any natural satellites
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Question 4 of 25
4. Question
1 pointsQ4. Consider the following statements about asteroid belt:
1.It lies between Mars and Jupiter.
2.Ceres is the largest known object in the asteroid belt.
क्षुद्रग्रह पट्टी के बारे में निम्नलिखत कथनों पर विचार करें :1.यह मंगल और बृहस्पति के बीच स्थित है।
2.सेरेस कु्षद्रग्रह पट्टी में ज्ञात सबसे बड़ा पिंड है।
उपयुक्त कथन/कथन सही हैं:Correct
Explanation: Both statements are true. The asteroid belt lies between Mars and Jupiter and Ceres is its largest object.
Incorrect
Explanation: Both statements are true. The asteroid belt lies between Mars and Jupiter and Ceres is its largest object.
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Question 5 of 25
5. Question
1 pointsQ5. Statement: Uranus rotates almost sideways compared to other planets.
Reason: It has an axial tilt of about 98 degrees.
कथन: अरुण अन्य ग्रहों की तुलना में लगभग साइडवेज़ घूमता है।
कारण: इसका अक्षीय झुकाव लगभग 98 डिग्री है।Correct
Explanation: Uranus has a tilt of about 98 degrees, causing it to rotate nearly on its side—making both statement and reason true.
Incorrect
Explanation: Uranus has a tilt of about 98 degrees, causing it to rotate nearly on its side—making both statement and reason true.
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Question 6 of 25
6. Question
1 pointsQ6. Which of the following statements is/are correct about Mars?
1.Mars has the tallest volcano in the solar system.
2.Mars has two moons: Phobos and Deimos.मंगल ग्रह के बारे में निम्नलिखत में से कौन-से कथन सही हैं?
1.मंगल पर सौरमंडल का सबसे ऊँचा ज्वालामुखी है।
2.मंगल के दो चंद्रमा हैं: फोबोस और डीमोस।Correct
Explanation: Olympus Mons on Mars is the tallest volcano. Mars has two moons: Phobos and Deimos—making both statements correct.
Incorrect
Explanation: Olympus Mons on Mars is the tallest volcano. Mars has two moons: Phobos and Deimos—making both statements correct.
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Question 7 of 25
7. Question
1 pointsQ7. Statement: Neptune was discovered through mathematical prediction before it was seen.
Reason: Its orbit was affecting Uranus’s motion.
कथन: वरुण को गणनात्मक भविष्यवाणी के माध्यम से खोजा गया था।
कारण: इसका कक्षा मार्ग यूरेनस की गति को प्रभावित कर रहा था।Correct
Explanation: Neptune was predicted by observing irregularities in Uranus’s orbit, later confirmed through telescope—both are true and R explains S.
Incorrect
Explanation: Neptune was predicted by observing irregularities in Uranus’s orbit, later confirmed through telescope—both are true and R explains S.
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Question 8 of 25
8. Question
1 pointsQ8. Which of the following is/are correct about Mercury?
1.It has no atmosphere.
2.It shows phases like Venus.बुध ग्रह के बारे में निम्न में से कौन-सा/से कथन सही हैं?
1.इसका कोई वायुमंडल नहीं है।
2.यह शुक्र की तरह कलाएं दिखाता है।Correct
Explanation: Mercury has an extremely thin exosphere (virtually no atmosphere) and shows phases due to its orbit between Earth and the Sun.
Incorrect
Explanation: Mercury has an extremely thin exosphere (virtually no atmosphere) and shows phases due to its orbit between Earth and the Sun.
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Question 9 of 25
9. Question
1 pointsQ9. Which of the following planets has the fastest rotation period?
निम्नलिखत में से किस ग्रह का घूर्णन काल सबसे तेज़ है?Correct
Explanation: Jupiter completes one rotation in under 10 hours, making it the fastest spinning planet in the solar system.
Incorrect
Explanation: Jupiter completes one rotation in under 10 hours, making it the fastest spinning planet in the solar system.
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Question 10 of 25
10. Question
1 points10. Consider the following:
1.Kuiper Belt lies beyond Neptune.
2.Pluto and Eris are part of Kuiper Belt.निम्नलिखत पर विचार करें:
1.काइपर बेल्ट वरुण के परे स्थित है।
2.प्लूटो और एरिस काइपर बेल्ट का हिस्सा हैं।Correct
Explanation: Kuiper Belt lies beyond Neptune and includes dwarf planets like Pluto and Eris.
Incorrect
Explanation: Kuiper Belt lies beyond Neptune and includes dwarf planets like Pluto and Eris.
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Question 11 of 25
11. Question
1 pointsQ11. Which of the following statements is correct about the Oort Cloud?
1.It is a spherical shell of icy objects surrounding the solar system.
2.It is the source of long-period comets.ओओर्ट क्लाउड के बारे में निम्न में से कौन-से कथन सही हैं?
1.यह सौरमंडल के चारों ओर बर्फ़ीले पिंडों का गोलाकार आवरण है।
2.यह दीर्घ-अवधि धूमकेतुओं का स्रोत है।Correct
Explanation: The Oort Cloud is a hypothetical spherical shell and is believed to be the origin of long-period comets.
Incorrect
Explanation: The Oort Cloud is a hypothetical spherical shell and is believed to be the origin of long-period comets.
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Question 12 of 25
12. Question
1 pointsQ12.Statement: The solar wind is composed mainly of protons and electrons.
Reason: These are emitted from the Sun’s corona.
कथन: सौर पवन मुख्यतः प्रोटॉनों और इलेक्ट्रॉनों से बनी होती है।
कारण: इन्हें सूर्य के कोरोना से उत्सर्जित किया जाता है।Correct
Explanation: Solar wind originates from the Sun’s corona and contains mainly charged particles—protons and electrons.
Incorrect
Explanation: Solar wind originates from the Sun’s corona and contains mainly charged particles—protons and electrons.
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Question 13 of 25
13. Question
1 pointsQ13. Which of the following statements is/are true about Earth’s Moon?
1.It is tidally locked with Earth.
2.It has no significant atmosphere.पृथ्वी के चंद्रमा के बारे में निम्न में से कौन-से कथन सही हैं?
1.यह पृथ्वी के साथ ज्वारबद्ध रूप से बंद है।
2.इसका कोई उल्लेखनीय वायुमंडल नहीं है।Correct
Explanation: Moon is tidally locked showing only one face to Earth and lacks an atmosphere due to low gravity.
Incorrect
Explanation: Moon is tidally locked showing only one face to Earth and lacks an atmosphere due to low gravity.
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Question 14 of 25
14. Question
1 pointsQ14.Which planet has the most tilted rotational axis?
किस ग्रह का घूर्णन अक्ष सबसे अधिक झुका हुआ है?Correct
Explanation: Uranus has a tilt of about 98°, causing it to roll on its orbit rather than spin upright.
Incorrect
Explanation: Uranus has a tilt of about 98°, causing it to roll on its orbit rather than spin upright.
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Question 15 of 25
15. Question
1 pointsQ15.Which of the following is responsible for the seasons on Earth?
पृथ्वी पर ऋतुओं के लिए निम्न में से कौन जिम्मेदार है?Correct
Explanation: Earth’s 23.5° axial tilt causes varying solar angles throughout the year, leading to seasons.
Incorrect
Explanation: Earth’s 23.5° axial tilt causes varying solar angles throughout the year, leading to seasons.
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Question 16 of 25
16. Question
1 pointsQ16. Which of the following planets shows retrograde rotation?
निम्नलिखत में से कौन-सा ग्रह प्रतिगामी घूर्णन प्रदर्शित करता है?Correct
Explanation: Venus spins clockwise (retrograde) unlike most planets, which rotate counterclockwise.
Incorrect
Explanation: Venus spins clockwise (retrograde) unlike most planets, which rotate counterclockwise.
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Question 17 of 25
17. Question
1 pointsQ17. Which dwarf planet has a moon nearly half its own size?
किस बौने ग्रह का चंद्रमा उसके आकार का लगभग आधा है?Correct
Explanation: Pluto’s moon Charon is over 50% its size, forming a binary system.
Incorrect
Explanation: Pluto’s moon Charon is over 50% its size, forming a binary system.
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Question 18 of 25
18. Question
1 pointsQ18. Statement: All gas giants have rings.
Reason: Their strong gravitational fields retain dust and debris.
कथन: सभी गैस जायंट ग्रहों के चारों ओर छल्ले होते हैं।
कारण: उनके प्रबल गुरुत्वाकर्षण क्षेत्र धूल और मलबे को बनाए रखते हैं।Correct
Explanation: Jupiter, Saturn, Uranus, and Neptune all have rings due to their gravity holding dust and particles.
Incorrect
Explanation: Jupiter, Saturn, Uranus, and Neptune all have rings due to their gravity holding dust and particles.
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Question 19 of 25
19. Question
1 pointsQ19. Which planet has the largest number of confirmed moons as of 2025?
2025 तक किस ग्रह के सबसे अधिक पुष्ट चंद्रमा हैं?Correct
Explanation: As of 2025, Saturn has more confirmed moons than Jupiter.
Incorrect
Explanation: As of 2025, Saturn has more confirmed moons than Jupiter.
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Question 20 of 25
20. Question
1 pointsQ20. Which of the following is NOT a terrestrial planet?
निम्नलिखत में से कौन-सा एक स्थलीय ग्रह नहीं है?Correct
Explanation: Terrestrial planets are rocky—Mercury, Venus, Earth, Mars. Neptune is a gas giant.
Incorrect
Explanation: Terrestrial planets are rocky—Mercury, Venus, Earth, Mars. Neptune is a gas giant.
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Question 21 of 25
21. Question
1 pointsQ21. Which planet has the strongest magnetic field?
किस ग्रह का चुंबकीय क्षेत्र सबसे मजबूत है?Correct
Explanation: Jupiter’s magnetic field is ~20,000 times stronger than Earth’s—making it the strongest.
Incorrect
Explanation: Jupiter’s magnetic field is ~20,000 times stronger than Earth’s—making it the strongest.
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Question 22 of 25
22. Question
1 pointsQ22. Which of the following correctly matches with its moon?
1.Triton – Neptune
2.Titan – Saturn
3.Ganymede – Jupiterनिम्न में से कौन-सा युग्म सही है?
1.ट्राइटन – वरुण
2.टाइटन – शनि
3.गैनीमीड – बृहस्पतिCorrect
Explanation: All three are correctly matched: Triton (Neptune), Titan (Saturn), Ganymede (Jupiter).
Incorrect
Explanation: All three are correctly matched: Triton (Neptune), Titan (Saturn), Ganymede (Jupiter).
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Question 23 of 25
23. Question
1 pointsQ23. Statement: The Sun is a main-sequence star.
Reason: It is currently converting hydrogen to helium via nuclear fusion.
कथन: सूर्य एक मुख्य अनुक्रम तारा है।
कारण: यह वर्तमान में हाइड्रोजन को हीलियम में परिवर्तित कर रहा है।Correct
Answer: A
Explanation: The Sun is a G-type main-sequence star undergoing hydrogen fusion in its core.Incorrect
Answer: A
Explanation: The Sun is a G-type main-sequence star undergoing hydrogen fusion in its core. -
Question 24 of 25
24. Question
1 pointsQ24. Which planet has the most elliptical orbit?
किस ग्रह की कक्षा सबसे अधिक दीर्घवृत्तीय हैCorrect
Explanation: Mercury has the highest orbital eccentricity (~0.206) among planets.
Incorrect
Explanation: Mercury has the highest orbital eccentricity (~0.206) among planets.
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Question 25 of 25
25. Question
1 pointsQ25. Which planet’s axis of rotation is nearly vertical, causing minimal seasonal variation?
किस ग्रह का घूर्णन अक्ष लगभग लंबवत है, जिससे ऋतुओं में बहुत कम परिवर्तन होता है?Correct
Explanation: Jupiter’s axis tilt is only about 3°, so it experiences very little seasonal change
Incorrect
Explanation: Jupiter’s axis tilt is only about 3°, so it experiences very little seasonal change