General Geography — Universe and Solar System — GK Questions with Answers

1. Choose the correct statements about a black hole — 1. It is a body of extreme density. 2. Its gravity is very weak. 3. Even light cannot escape from it.
   1. 1 only
   2. 2 only
   3. 1 and 3
   4. All three
   Show answer

   Answer: (C) 1 and 3

   Its gravity is extremely strong, not weak.

2. In order of distance from the Sun, which two planets lie between Mars and Uranus?
   1. Earth and Jupiter
   2. Jupiter and Saturn
   3. Saturn and Earth
   4. Saturn and Neptune
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   Answer: (B) Jupiter and Saturn

   Mars → Jupiter → Saturn → Uranus.

3. Which statement(s) is/are wrong? 1. Latitude is the angular distance east or west of the Equator. 2. Parallels get longer towards the poles. 3. Parallels of latitude are not parallel.
   1. 1 only
   2. 1 and 2
   3. 3 only
   4. All three
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   Answer: (D) All three

   Latitude is north–south distance, parallels shrink towards the poles and all of them are parallel — all three are wrong.

4. Which planet has the highest density?
   1. Jupiter
   2. Earth
   3. Mercury
   4. Saturn
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   Answer: (B) Earth

   Earth is the densest; Saturn the least dense.

5. One Astronomical Unit (AU) equals —
   1. the mean Earth–Sun distance
   2. the Earth–Moon distance
   3. the Jupiter–Sun distance
   4. the Pluto–Sun distance
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   Answer: (A) the mean Earth–Sun distance

   ≈ 150 million km.

6. How is a "protostar" formed?
   1. From the energy of a black hole
   2. By gravitational condensation of hydrogen–helium clouds
   3. By the contraction of the galaxy
   4. From a supernova
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   Answer: (B) By gravitational condensation of hydrogen–helium clouds

   A gas cloud contracts under gravity to form a protostar.

7. Choose the correct statements — 1. The 0° meridian passes through Greenwich. 2. The distance between two meridians is the same everywhere. 3. The Earth takes 4 minutes to turn through 1° of longitude.
   1. 1 only
   2. 2 only
   3. 1 and 3
   4. 3 only
   Show answer

   Answer: (C) 1 and 3

   The gap between meridians shrinks towards the poles.

8. What type of galaxy is our Milky Way?
   1. Spiral
   2. Elliptical
   3. Irregular
   4. Spherical
   Show answer

   Answer: (A) Spiral

   —

9. Correct statements about the International Date Line — 1. It runs north–south through the Pacific Ocean. 2. Crossing it from east to west moves the date one day ahead (a day is "lost").
   1. 1 only
   2. 2 only
   3. Both 1 and 2
   4. Neither
   Show answer

   Answer: (C) Both 1 and 2

   —

10. Which planet rotates on its axis the other way (east to west)?
    1. Mars
    2. Venus
    3. Jupiter
    4. Mercury
    Show answer

    Answer: (B) Venus

    Both Venus and Uranus do.

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