McqMate
These multiple-choice questions (MCQs) are designed to enhance your knowledge and understanding in the following areas: General Knowledge (GK) , Union Public Service Commission (UPSC) , Indian Administrative Service (IAS) .
Chapters
| 1. |
Which of the following planets is known as 'Morning Star'? |
| A. | Mercury |
| B. | Venus |
| C. | Mars |
| D. | Jupiter |
| Answer» B. Venus | |
| 2. |
Which planet of the solar system spins on its axis at the fastest rate? |
| A. | Mercury |
| B. | Earth |
| C. | Jupiter |
| D. | Saturn |
| Answer» C. Jupiter | |
| 3. |
Which of the following is the largest of the inner planets? [IAS 1990] |
| A. | Venus |
| B. | Mercury |
| C. | Mars |
| D. | Earth |
| Answer» D. Earth | |
| 4. |
In 1610, Galileo Galilei discovered four moons of which planet? |
| A. | Saturn |
| B. | Jupiter |
| C. | Neptune |
| D. | None of these |
| Answer» B. Jupiter | |
| 5. |
In order of their distances from the Sun, which of the following planets lie between Mars and Uranus? [IAS 2008] |
| A. | Earth and Jupiter |
| B. | Jupiter and Saturn |
| C. | Saturn and Earth |
| D. | Saturn and Neptune |
| Answer» B. Jupiter and Saturn | |
| 6. |
The planet Mercury is difficult to be observed most of the time because: |
| A. | it gets hidden behind Venus |
| B. | it goes too far away from the Earth |
| C. | it being too close to the Sun, gets hidden by the glare of the Sun |
| D. | it cannot be seen at night as at that time no sunlight falls on it. |
| Answer» C. it being too close to the Sun, gets hidden by the glare of the Sun | |
| 7. |
Comets revolve around: [NDA 1990] |
| A. | sun |
| B. | earth |
| C. | venus |
| D. | no single heavenly body |
| Answer» A. sun | |
| 8. |
Which two planets of the solar system have no satellites? |
| A. | Mercury and Venus |
| B. | Venus and Mars |
| C. | Mercury and Mars |
| D. | Venus and Neptune |
| Answer» A. Mercury and Venus | |
| 9. |
The planet having thirteen moons is : |
| A. | Venus |
| B. | Mars |
| C. | Uranus |
| D. | Neptune |
| Answer» D. Neptune | |
| 10. |
'The length of its day and the tilt of its axis are almost identical to those of the earth'. This is true of: [IAS 2003, 1994] |
| A. | Uranus |
| B. | Neptune |
| C. | Saturn |
| D. | Mars |
| Answer» D. Mars | |
| 11. |
The hottest planet is : [CPO SI 2002] |
| A. | Mercury |
| B. | Venus |
| C. | Jupiter |
| D. | Saturn |
| Answer» B. Venus | |
| 12. |
Which of the following is the brightest planet? [Bank PO 1991] |
| A. | Mercury |
| B. | Venus |
| C. | Mars |
| D. | Jupiter |
| Answer» B. Venus | |
| 13. |
Which of the planets is nearest to the earth? [Asstt Grade 1993] |
| A. | Jupiter |
| B. | Venus |
| C. | Mercury |
| D. | Mars |
| Answer» B. Venus | |
| 14. |
Which planet is known as the Earth's Twin? |
| A. | Venus |
| B. | Mars |
| C. | Uranus |
| D. | Neptune |
| Answer» A. Venus | |
| 15. |
Which one of the following planets takes the same number of days for rotation and revolution? |
| A. | Mars |
| B. | Venus |
| C. | Mercury |
| D. | Jupiter |
| Answer» B. Venus | |
| 16. |
On which of the following planets of the solar system does the sun rise in the west and set in the east? |
| A. | Venus |
| B. | Mars |
| C. | Jupiter |
| D. | Saturn |
| Answer» A. Venus | |
| 17. |
Which of the following planets of the solar system has the longest day? [IAS 2003, CDS 1994] |
| A. | Mercury |
| B. | Jupiter |
| C. | Venus |
| D. | Earth |
| Answer» C. Venus | |
| 18. |
The exact time taken by the earth for single rotation on its own axis is: [RRB 1991] |
| A. | 24 hrs |
| B. | 24 hrs 35 sec |
| C. | 23 hrs 50 minutes 7.2 sec |
| D. | 23 hrs 56 minutes 4.09 sec |
| Answer» D. 23 hrs 56 minutes 4.09 sec | |
| 19. |
Lunar Sea refers to : |
| A. | a small sea on the moon |
| B. | a sea on earth which experiences high tides due to gravitational attraction of the moon |
| C. | a dark plain on the moon |
| D. | a light water body illuminated by the moon-light |
| Answer» C. a dark plain on the moon | |
| 20. |
'Parsec' is the unit of measurement of: |
| A. | density of stars |
| B. | astronomical distance |
| C. | brightness of heavenly bodies |
| D. | orbital velocity of giant stars |
| Answer» B. astronomical distance | |
| 21. |
The sunspots cause: [UP PCS 1995] |
| A. | aurora borealis and aurora australis |
| B. | magnetic storms on the surface of the sun |
| C. | polar auroras |
| D. | all of these |
| Answer» D. all of these | |
| 22. |
The light coming from stars gives the idea of their: |
| A. | size |
| B. | rotational speed |
| C. | mass |
| D. | temperature |
| Answer» D. temperature | |
| 23. |
Super Nova is : [CDS 1994] |
| A. | an asteroid |
| B. | a black hole |
| C. | a comet |
| D. | a dying star |
| Answer» D. a dying star | |
| 24. |
The altitudes of heavenly bodies appear to be greater than they actually are. This is due to: |
| A. | vertical motion of these heavenly bodies |
| B. | motions of the earth |
| C. | atmospheric refraction |
| D. | these are visible because of light of the sun reflected from their surface |
| Answer» C. atmospheric refraction | |
| 25. |
The same side of the moon always faces the Earth because: [Railways 1994] |
| A. | Moon and the Earth have gravitational force |
| B. | Moon cannot change its position |
| C. | the period of rotation of the Moon on its axis and period of revolution around' the Earth is almost the same |
| D. | the period of rotation of the Moon is not equal to the period of rotation of the Earth |
| Answer» C. the period of rotation of the Moon on its axis and period of revolution around' the Earth is almost the same | |
| 26. |
Who of the following discovered the laws of planetary orbits? [Asstt Comm 2008] |
| A. | Galileo Galilei |
| B. | Nicholas Copernicus |
| C. | Johanries Kepler |
| D. | Isaac Newton |
| Answer» C. Johanries Kepler | |
| 27. |
Twelve constellations referred to as zodiac are: [IAS 1989] |
| A. | signs of Roman gods |
| B. | imaginary region that encompass the path of the planets |
| C. | a group of stars |
| D. | none of these |
| Answer» C. a group of stars | |
| 28. |
The term 'meteor' is applied to an interplanetary body: |
| A. | after it enters the atmosphere of the earth |
| B. | after it enters the earth's atmosphere and explodes in mid air as a ball of fire |
| C. | after it enters the earth's atmosphere and lands on the surface of the earth without exploding in mid-air |
| D. | before it enters the earth's atmosphere |
| Answer» B. after it enters the earth's atmosphere and explodes in mid air as a ball of fire | |
| 29. |
Which one of the following statements regarding Shooting Stars is incorrect ? [NDA 1995] |
| A. | They are meteors |
| B. | They are the debris which got separated from a comet |
| C. | They emit light due to extremely high temperature caused by friction while they are passing through earth's atmosphere |
| D. | They are a kind of a star |
| Answer» D. They are a kind of a star | |
| 30. |
The planets are kept in motion in their respective orbits by : |
| A. | their great size and spherical shape |
| B. | the rotation and density |
| C. | gravitation and centrifugal force |
| D. | rotation of the sun on its axis |
| Answer» C. gravitation and centrifugal force | |
| 31. |
The distance of the nearest star besides the sun from the earth is : |
| A. | 4.9 x 1111m |
| B. | 95 x1015 m |
| C. | 4.3 light years |
| D. | 4.2 light years |
| Answer» D. 4.2 light years | |
| 32. |
Which of the following celestial bodies bear, 'The Sea of Tranquility' and 'The Ocean of Storms' ? |
| A. | Mars |
| B. | Venus |
| C. | Moon |
| D. | Sun |
| Answer» C. Moon | |
| 33. |
The time required by moonlight to reach the earth is : |
| A. | 1 sec |
| B. | 1.3 sec |
| C. | 2 sec |
| D. | 2.3 sec |
| Answer» B. 1.3 sec | |
| 34. |
The strongest evidence that comets are members of our solar system comes from: [CDS 1992] |
| A. | their composition |
| B. | their effect on the lives of man |
| C. | the shape of their orbits |
| D. | the shape and length of their tails |
| Answer» A. their composition | |
| 35. |
The constellations of stars appear at different positions in the sky at different times during night mainly: |
| A. | because earth rotates about its axis |
| B. | because earth revolves round the sun |
| C. | because of optical illusion |
| D. | because celestial bodies are changing their positions all the time |
| Answer» A. because earth rotates about its axis | |
| 36. |
If there is no Sun, the colour of the sky would be: |
| A. | orange |
| B. | blue |
| C. | yellow |
| D. | black |
| Answer» D. black | |
| 37. |
The Saturn rings were discovered by: |
| A. | Copernicus |
| B. | Newton |
| C. | Galileo |
| D. | none of these |
| Answer» C. Galileo | |
| 38. |
The 'Solar Corona' mainly consists of: |
| A. | cosmic rays |
| B. | molten lava |
| C. | gases |
| D. | ice |
| Answer» B. molten lava | |
| 39. |
Comets are celestial bodies moving about the solar system in |
| A. | elliptical or hyperbolic orbits, usually accompanied by a shining tail |
| B. | elliptical orbits usually accompanied by a long shining tail |
| C. | hyperbolic orbit always accompanied by a shining head |
| D. | hyperbolic orbit without projecting any tail or head |
| Answer» B. elliptical orbits usually accompanied by a long shining tail | |
| 40. |
Foucault experiment is proof of which one of the following? [NDA 2008] |
| A. | Revolution of Earth |
| B. | Rotation of Earth |
| C. | Rotation of Moon |
| D. | Revolution of Moon |
| Answer» B. Rotation of Earth | |
| 41. |
The radiant energy of the sun is transmitted in the form of: |
| A. | short waves |
| B. | long waves |
| C. | particles |
| D. | none of these |
| Answer» A. short waves | |
| 42. |
While Venus is seen only for one to two hours either after sunset or before sunrise, Jupiter is seen for the whole night whenever it is visible in the sky. The reason for this is that: [CDS 2000] |
| A. | Venus is much smaller than Jupiter |
| B. | Venus is much closer to the earth than Jupiter |
| C. | the orbit of Venus is inside the earth's orbit whereas the orbit of Jupiter lies outside the orbit of the earth |
| D. | Venus reflects lesser amount of sunlight than Jupiter |
| Answer» C. the orbit of Venus is inside the earth's orbit whereas the orbit of Jupiter lies outside the orbit of the earth | |
| 43. |
Which of the following statements is/are correct with regard to Milky Way? 1. It is a spiral galaxy. 2. The solar system resides in one of its spiral arms. Select the correct answer using the codes given below [NDA 2008] |
| A. | 1 only |
| B. | 2 only |
| C. | Both 1 and 2 |
| D. | Neither 1 nor 2 |
| Answer» C. Both 1 and 2 | |
| 44. |
Among the following which planet takes maximum time for one revolution around the Sun? [IAS 2003] |
| A. | Earth |
| B. | Jupiter |
| C. | Mars |
| D. | Venus |
| Answer» B. Jupiter | |
| 45. |
Which one of the following statements is correct with reference to our solar system? [IAS 2002] |
| A. | The Earth is the densest of all the planets in our solar system |
| B. | The predominant element in the composition of Earth is silicon |
| C. | The Sun contains 75 percent of the mass of the solar system |
| D. | The diameter of the Sun is 190 times that of the Earth |
| Answer» A. The Earth is the densest of all the planets in our solar system | |
| 46. |
The Srnith-tuttle comet will crash with Earth in: [IAS 2003] |
| A. | 2106 AD |
| B. | 2116 AD |
| C. | 2126 AD |
| D. | 2136 AD |
| Answer» B. 2116 AD | |
| 47. |
The correct sequence of the following planets in terms of gravity, in the descending order is : [IAS 2003] |
| A. | Saturn, Earth, Neptune, Uranus |
| B. | Neptune, Uranus, Saturn, Earth |
| C. | Uranus, Earth, Saturn, Neptune |
| D. | Earth, Uranus, Neptune, Saturn |
| Answer» D. Earth, Uranus, Neptune, Saturn | |
| 48. |
Which of the following gases is most predominant in the Sun? |
| A. | Helium |
| B. | Hydrogen |
| C. | Nitrogen |
| D. | Ozone |
| Answer» B. Hydrogen | |
| 49. |
NASA's Deep Impact space mission was employed to take detailed pictures of which comet nucleus? [IAS 2007] |
| A. | Halley's Comet |
| B. | Hale-Bopp |
| C. | Hyakutake |
| D. | Tempel 1 |
| Answer» D. Tempel 1 | |
| 50. |
Consider the following statements: 1. The albedo of an object determines its visual brightness when viewed with reflected light. 2. The albedo of Mercury is much greater than the albedo of the Earth. Which of the statements given above is/are correct? [IAS 2008] |
| A. | 1 only |
| B. | 2 only |
| C. | Both 1 and 2 |
| D. | Neither 1 nor 2 |
| Answer» A. 1 only | |
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