Geography articles, organised
All Geography-tagged lessons remain available, including material that does not fit one domain neatly.
Solar System and Planets
QUESTION 1Which planet is known as the 'Red Planet' in our Solar System?
हमारे सौरमंडल में किस ग्रह को 'लाल ग्रह' कहा जाता है?A. MarsB. JupiterC. VenusD. Saturn
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Answer: A
Mars is called the 'Red Planet' due to the iron oxide (rust) on its surface, giving it a reddish appearance.
QUESTION 2Which planet has the shortest day in the Solar System?
सौरमंडल में सबसे छोटा दिन किस ग्रह का होता है?A. EarthB. JupiterC. MercuryD. Neptune
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Answer: B
Jupiter has the shortest day, rotating once approximately every 10 hours, due to its rapid spin.
QUESTION 3Which of the following is NOT a dwarf planet?
निम्नलिखित में से कौन सा बौना ग्रह नहीं है?A. PlutoB. ErisC. CeresD. Titan
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Answer: D
Titan is a moon of Saturn, not a dwarf planet; Pluto, Eris, and Ceres are classified as dwarf planets.
QUESTION 4Which planet is closest to the Sun?
सूर्य के सबसे निकट कौन सा ग्रह है?A. VenusB. MercuryC. EarthD. Mars
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Answer: B
Mercury is the closest planet to the Sun, orbiting at an average distance of about 58 million km.
QUESTION 5Which planet has the most moons in the Solar System?
सौरमंडल में सबसे अधिक चंद्रमा किस ग्रह के हैं?A. SaturnB. JupiterC. UranusD. Neptune
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Answer: B
Jupiter has the most moons discovered so far, with over 79 confirmed moons.
QUESTION 6What is the main component of the Sun's energy production?
सूर्य की ऊर्जा उत्पादन का मुख्य घटक क्या है?A. Nuclear fusion of hydrogenB. Chemical combustionC. Gravitational contractionD. Solar wind
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Answer: A
The Sun produces energy primarily through nuclear fusion, where hydrogen nuclei fuse to form helium, releasing vast energy.
QUESTION 7What is the asteroid belt located between?
एस्ट्रॉइड बेल्ट कहाँ स्थित है?A. Between Mars and JupiterB. Between Earth and MarsC. Between Jupiter and SaturnD. Between Venus and Earth
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Answer: A
The asteroid belt is a region of numerous rocky bodies located between the orbits of Mars and Jupiter.