General Knowledge carries 50 marks in the AISSEE Class 6 paper and is also tested in the RMS CET. These 10 MCQs on Solar System cover facts that are asked again and again in Sainik and Military School entrance exams.
Quick facts: AISSEE 2027 will be held on Sunday, 31 January 2027. There is no negative marking, so attempt every question. Online applications are open until 2 December 2026 on exams.nta.nic.in/sainik-school-society.
Practice Questions
Q1. Which is the largest planet in our solar system?
(A) Saturn
(B) Earth
(C) Neptune
(D) Jupiter
Q2. Which planet is closest to the Sun?
(A) Earth
(B) Mercury
(C) Venus
(D) Mars
Q3. Which planet is called the "Red Planet"?
(A) Jupiter
(B) Venus
(C) Mercury
(D) Mars
Q4. Which is the hottest planet in the solar system?
(A) Mars
(B) Jupiter
(C) Venus
(D) Mercury
Q5. Which planet is famous for its bright rings?
(A) Mercury
(B) Saturn
(C) Earth
(D) Mars
Q6. How long does light from the Sun take to reach the Earth?
(A) About 1 second
(B) About 1 hour
(C) About 8 minutes 20 seconds
(D) About 1 day
Q7. Which planet is known as Earth's twin because of its similar size?
(A) Mars
(B) Venus
(C) Uranus
(D) Mercury
Q8. What is the natural satellite of the Earth?
(A) Mars
(B) The Sun
(C) The Moon
(D) Polaris
Q9. How many planets are there in our solar system?
(A) Eight
(B) Seven
(C) Ten
(D) Nine
Q10. Which star is known as the Pole Star?
(A) Polaris (Dhruva Tara)
(B) Alpha Centauri
(C) The Sun
(D) Sirius
Answer Key with Explanations
(D) Jupiter — Jupiter is the biggest planet.
(B) Mercury — Mercury is the nearest planet to the Sun.
(D) Mars — Iron oxide on its surface makes Mars look red.
(C) Venus — Venus's thick carbon dioxide atmosphere traps heat, making it the hottest.
(B) Saturn — Saturn has the most prominent rings made of ice and rock.
(C) About 8 minutes 20 seconds — Sunlight takes roughly 8 minutes 20 seconds to reach us.
(B) Venus — Venus is nearly the same size as Earth.
(C) The Moon — The Moon is Earth's only natural satellite.
(A) Eight — Pluto was reclassified as a dwarf planet in 2006, leaving eight planets.
(A) Polaris (Dhruva Tara) — Polaris appears almost fixed above the North Pole.
How did you score?
9–10 correct: excellent — move on to a full-length mock test. 6–8: good — revise the explanations of the questions you missed. Below 6: study this topic again from your NCERT book and retry these questions after two days.
Free AISSEE / RMS Mock Test
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