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This section includes 657 Mcqs, each offering curated multiple-choice questions to sharpen your Testing Subject knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
What is Supernova ? |
| A. | A black hole |
| B. | A comet |
| C. | A dying star |
| D. | An asteroid |
| Answer» D. An asteroid | |
| 2. |
Which planet of the solar system spins on its axis at the fastest rate ? |
| A. | Saturn |
| B. | Jupiter |
| C. | Earth |
| D. | Mercury |
| Answer» C. Earth | |
| 3. |
Which planet has five moons ? |
| A. | Venus |
| B. | Neptune |
| C. | Mars |
| D. | Uranus |
| Answer» E. | |
| 4. |
The four largest planets of the solar system in the descending order are ? |
| A. | Jupiter, Saturn, Uranus, Neptune |
| B. | Jupiter, Uranus, Saturn, Neptune |
| C. | Saturn, Jupiter, Uranus, Neptune |
| D. | Uranus, Neptune, Saturn, Jupiter |
| Answer» B. Jupiter, Uranus, Saturn, Neptune | |
| 5. |
When does Lunar eclipse occur ? |
| A. | New moon |
| B. | Quarter moon |
| C. | Full moon |
| D. | Half moon |
| Answer» D. Half moon | |
| 6. |
What is the period of one revolution of sun around the centre of galaxy called ? |
| A. | Parsec |
| B. | Light year |
| C. | Astronomical year |
| D. | Cosmic year |
| Answer» E. | |
| 7. |
Twelve constellations referred to as zodiac, are ? |
| A. | None of these |
| B. | A group of stars |
| C. | Imaginary region that encompasses the path of the planets |
| D. | Signs of Roman gods |
| Answer» D. Signs of Roman gods | |
| 8. |
Which is the brightest star in the sky ? |
| A. | Sun |
| B. | Sirius |
| C. | Praesepe |
| D. | Hayes |
| Answer» D. Hayes | |
| 9. |
Asteroids have their orbits between the planets ? |
| A. | Mars and Jupiter |
| B. | Mercury and Venus |
| C. | Earth and Mars |
| D. | Jupiter and Saturn |
| Answer» B. Mercury and Venus | |
| 10. |
The orbits of planets around the sun, or of satellites around the earth can be ? |
| A. | Parabolic and hyperbolic |
| B. | Elliptic and parabolic |
| C. | Circular and hyperbolic |
| D. | Circular and elliptic |
| Answer» E. | |
| 11. |
What idea does the light coming from stars gives ? |
| A. | Size |
| B. | Density |
| C. | Rotational speed |
| D. | Mass |
| Answer» D. Mass | |
| 12. |
The North Star is a part of which constellation ? |
| A. | Cassiopsiea |
| B. | Little dipper |
| C. | Big dipper |
| D. | Orion |
| Answer» C. Big dipper | |
| 13. |
arsecis the unit of measurement of ___________ |
| A. | None of these |
| B. | Astronomical distance |
| C. | Orbital velocity of giant stars |
| D. | Density of stars |
| Answer» D. Density of stars | |
| 14. |
What is the distance of the nearest star besides the sun from the earth ? |
| A. | 3 light-years |
| B. | 6 light-years |
| C. | 4 light-years |
| D. | 5 light-years |
| Answer» D. 5 light-years | |
| 15. |
Which is the smallest planet ? |
| A. | Uranus |
| B. | Pluto |
| C. | Mercury |
| D. | Venus |
| Answer» C. Mercury | |
| 16. |
Which planet looks reddish in the night sky ? |
| A. | Saturn |
| B. | Jupiter |
| C. | Mars |
| D. | Mercury |
| Answer» D. Mercury | |
| 17. |
Who discovered the Saturn rings ? |
| A. | None of these |
| B. | Galileo |
| C. | Newton |
| D. | Copernicus |
| Answer» C. Newton | |
| 18. |
What is the study of heavenly bodies called ? |
| A. | Geophysics |
| B. | Astronomy |
| C. | Astrophysics |
| D. | Astrology |
| Answer» D. Astrology | |
| 19. |
Which is the planet having the largest number of satellites in the solar system ? |
| A. | Uranus |
| B. | Saturn |
| C. | Jupiter |
| D. | Mars |
| Answer» C. Jupiter | |
| 20. |
What does the 'Solar Corona' consists of ? |
| A. | Gases |
| B. | Molten lava |
| C. | Molten rays |
| D. | Cosmic rays |
| Answer» C. Molten rays | |
| 21. |
Which planet lies at the outermost orbit of the solar system ? |
| A. | Neptune |
| B. | Mercury |
| C. | Pluto |
| D. | Saturn |
| Answer» D. Saturn | |
| 22. |
Which is the largest planet of the solar system ? |
| A. | Saturn |
| B. | Jupiter |
| C. | Mars |
| D. | earth |
| Answer» C. Mars | |
| 23. |
What does 'Lunar Sea' refer ? |
| A. | A large water body illuminated by moonlight |
| B. | A dark plain on the moon |
| C. | A sea on erth which experiences high tides due to gravitational attraction of the moon |
| D. | A small sea on the moon |
| Answer» C. A sea on erth which experiences high tides due to gravitational attraction of the moon | |
| 24. |
Where is the year longest ? |
| A. | Jupiter |
| B. | Pluto |
| C. | Earth |
| D. | Mercury |
| Answer» E. | |
| 25. |
What type of planet is a terrestrial planet ? |
| A. | None of these |
| B. | High density balls of gas |
| C. | Low density balls of gas |
| D. | dense and rocky |
| Answer» E. | |
| 26. |
Which of the following planets is at the farthest distance from the earth? |
| A. | Mars |
| B. | Pluto |
| C. | Mercury |
| D. | Neptune |
| Answer» E. | |
| 27. |
The altitudes of heavenly bodies appear to be greater than they actually are. This is due to ? |
| A. | Vertical motions |
| B. | These are visible |
| C. | Motions of the earth |
| D. | Atmospheric refraction |
| Answer» E. | |
| 28. |
Which of the planet that has no satellite ? |
| A. | Neptune |
| B. | Pluto |
| C. | Uranus |
| D. | Mars |
| Answer» C. Uranus | |
| 29. |
What is the time required by moonlight to reach the earth ? |
| A. | 3 seconds |
| B. | 2 seconds |
| C. | 1.3 second |
| D. | One second |
| Answer» D. One second | |
| 30. |
What would be the color of sky if there is no sun ? |
| A. | Orange |
| B. | None of these |
| C. | Blue |
| D. | Yellow |
| Answer» C. Blue | |
| 31. |
The bright heavenly body with a long luminous tail is called ? |
| A. | A planet |
| B. | A satellite |
| C. | A constellation |
| D. | A comet |
| Answer» E. | |
| 32. |
Tides are caused by the gravitational pull of ? |
| A. | Earth on the moon |
| B. | Moon on earth |
| C. | Earth on the sun |
| D. | Sun and the moon on earth |
| Answer» E. | |
| 33. |
What do Comets revolve around ? |
| A. | Earth |
| B. | None of these |
| C. | Sun |
| D. | Venus |
| Answer» D. Venus | |
| 34. |
Which one of the following four planets is the biggest in size? |
| A. | Mercury |
| B. | Mars |
| C. | Earth |
| D. | Venus |
| Answer» D. Venus | |
| 35. |
Which planets are nearest to the sun ? |
| A. | Mercury and Mars |
| B. | Mercury and Uranus |
| C. | Mercury and Venus |
| D. | Earth and Mercury |
| Answer» D. Earth and Mercury | |
| 36. |
Why does the constellation of stars appears at different positions in the sky at different times during night ? |
| A. | Because celestial bodies are changing their position |
| B. | Because of optical illusion |
| C. | Because earth revolves around the sun |
| D. | Because earth rotates about its axis |
| Answer» E. | |
| 37. |
Who launched the first satellite ? |
| A. | UK |
| B. | USA |
| C. | USSR |
| D. | France |
| Answer» D. France | |
| 38. |
In what form is the radiant energy of the sun transmitted ? |
| A. | None of these |
| B. | Long waves |
| C. | Short waves |
| D. | Particles |
| Answer» D. Particles | |
| 39. |
Why does the same side of the moon always faces the earth ? |
| A. | Moon and earth have gravitational force |
| B. | None of these |
| C. | Moon cannot change its position |
| D. | The period of rotation of the moon on its axis and period of revolution around the earth is almost the same |
| Answer» E. | |
| 40. |
Which is the hottest planet ? |
| A. | Saturn |
| B. | Jupiter |
| C. | Venus |
| D. | Mercury |
| Answer» D. Mercury | |
| 41. |
Which is the highest waterfall of the world ? |
| A. | Tugela |
| B. | Takkawa |
| C. | Cuquenan |
| D. | Angel |
| Answer» E. | |
| 42. |
Where is Fairy waterfall ? |
| A. | Washington |
| B. | France |
| C. | Italy |
| D. | Norway |
| Answer» B. France | |
| 43. |
Halley's comet appears once in a period of ? |
| A. | 24 years |
| B. | 80 years |
| C. | 30 years |
| D. | 76 years |
| Answer» E. | |
| 44. |
The milky way extends through a distance of ? |
| A. | 5010 light-hears |
| B. | 8 light-years |
| C. | 105 light-years |
| D. | One light-year |
| Answer» D. One light-year | |
| 45. |
Where is Gersoppa waterfall located ? |
| A. | Guyana |
| B. | Tanzania |
| C. | India |
| D. | Uganda |
| Answer» D. Uganda | |
| 46. |
Where is Sloeskan waterfall ? |
| A. | USA |
| B. | France |
| C. | Germany |
| D. | Canada |
| Answer» B. France | |
| 47. |
Which is the tenth highest waterfall of the world ? |
| A. | Window's Tears |
| B. | Victoria |
| C. | Marina |
| D. | Multnomah |
| Answer» B. Victoria | |
| 48. |
Where is Maletsunyane waterfall located ? |
| A. | Lesotho |
| B. | Italy |
| C. | Norway |
| D. | Origaan |
| Answer» B. Italy | |
| 49. |
Where is Marma waterfall located ? |
| A. | Norway |
| B. | Sweden |
| C. | Guyana |
| D. | New Zealand |
| Answer» D. New Zealand | |
| 50. |
Where is Mardfous waterfall located ? |
| A. | Guyana |
| B. | Sweden |
| C. | Norway |
| D. | Italy |
| Answer» D. Italy | |