MCQOPTIONS
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MCQOPTIONS
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. |
Titan is the largest moon or satellite |
| A. | of Mars |
| B. | of Venus |
| C. | of Jupiter |
| D. | of saturn |
| Answer» E. | |
| 2. |
Which of the following planets has the most active satellites or moons? |
| A. | Jupiter |
| B. | Mars |
| C. | saturn |
| D. | Venus |
| Answer» B. Mars | |
| 3. |
The reason why there is day and night is |
| A. | X-rotation |
| B. | earth cruises |
| C. | tilt of the earth's axis |
| D. | moon rotation |
| Answer» C. tilt of the earth's axis | |
| 4. |
It takes the earth to revolve around the sun- approx. |
| A. | 365 दिन |
| B. | 365. 25 दिन |
| C. | 365.50 दिन |
| D. | 365.75 दिन |
| Answer» C. 365.50 दिन | |
| 5. |
When the duration of day and night are equal, then the rays of the sun fall directly |
| A. | at the north pole |
| B. | At the equator |
| C. | at the south pole |
| D. | at the Tropic of Cancer |
| Answer» C. at the south pole | |
| 6. |
Which one of the following scientists discovered the moons of Jupiter? |
| A. | newton |
| B. | galileo |
| C. | caplar |
| D. | copernicus |
| Answer» C. caplar | |
| 7. |
When is World Earth Day celebrated? |
| A. | 22 अप्रैल |
| B. | 22 मार्च |
| C. | 07 अप्रैल |
| D. | 07 मार्च |
| Answer» B. 22 मार्च | |
| 8. |
Which one of the following pairs of ancient ports and their location is correctly matched? |
| A. | Arikamedu - Coromandel |
| B. | Nelsind - Malawar |
| C. | masalia - konkan |
| D. | Kolchi - Pandya country |
| Answer» E. | |
| 9. |
Which one of the following is known as 'Dawn Star'? |
| A. | wed |
| B. | Venus |
| C. | Mars |
| D. | saturn |
| Answer» C. Mars | |
| 10. |
Which of the following planetary pairs are without satellites? |
| A. | Venus and Mars |
| B. | Mercury and Mars |
| C. | Earth and Jupiter |
| D. | Mercury and Venus |
| Answer» E. | |
| 11. |
The diameter of the earth is- |
| A. | 8,000 किमी. |
| B. | 1,00,000 किमी. |
| C. | 12,800 किमी. |
| D. | none of the above |
| Answer» D. none of the above | |
| 12. |
Which one of the following stars is closest to the Earth? |
| A. | Pole Star |
| B. | alpha centari |
| C. | Sun |
| D. | fascinated |
| Answer» D. fascinated | |
| 13. |
Magellan spacecraft has been sent to which planet? |
| A. | Pluto |
| B. | saturn |
| C. | Mars |
| D. | Venus |
| Answer» E. | |
| 14. |
The name of the planet which is called the twin sister of Earth is- |
| A. | wed |
| B. | Venus |
| C. | Mars |
| D. | Pluto |
| Answer» C. Mars | |
| 15. |
The Earth is at the closest distance to the Sun- |
| A. | 3 जनवरी को |
| B. | 4 जुलाई को |
| C. | 22 मार्च को |
| D. | 21 सितम्बर को |
| Answer» B. 4 जुलाई को | |
| 16. |
What is the distance of earth from sun- |
| A. | 107.7 मिलियन किमी |
| B. | 142.7 मिलियन किमी |
| C. | 146.6 मिलियन किमी |
| D. | 149. 6 मिलियन किमी |
| Answer» E. | |
| 17. |
When does solar eclipse happen- |
| A. | quadrant moon day |
| B. | Pratipada (New Moon Day) |
| C. | some day |
| D. | on full moon |
| Answer» C. some day | |
| 18. |
The nearest planet to the Sun is- |
| A. | Mars and Mercury |
| B. | Mars and Venus |
| C. | Mercury and Venus |
| D. | Jupiter and Saturn |
| Answer» D. Jupiter and Saturn | |
| 19. |
The first Tamil Sangam was founded by |
| A. | Mamulnar has |
| B. | Agastya has |
| C. | Parashuram has |
| D. | Thiruvalluvar has |
| Answer» C. Parashuram has | |
| 20. |
The energy of the sun is produced by- |
| A. | by ionization |
| B. | by nuclear fusion |
| C. | by nuclear fission |
| D. | by oxidation |
| Answer» C. by nuclear fission | |
| 21. |
How many times bigger is the size of the Sun than the Earth? |
| A. | 124 गुना |
| B. | 100 गुना |
| C. | 109 गुना |
| D. | 115 गुना |
| Answer» D. 115 गुना | |
| 22. |
Which scientist said for the first time that the earth revolves around the sun and the earth is not the center of the universe? |
| A. | galileo |
| B. | copernicus |
| C. | isaac newton |
| D. | Kepler |
| Answer» E. | |
| 23. |
The number of planets in the solar system is- |
| A. | 7 |
| B. | 9 |
| C. | 12 |
| D. | 21 |
| Answer» C. 12 | |
| 24. |
Which is the celestial phenomenon caused by stars? |
| A. | ozone hole |
| B. | Krishna Vivar |
| C. | rainbow |
| D. | comet |
| Answer» C. rainbow | |
| 25. |
The scientists who first discovered that the Earth revolves around the Sun were- |
| A. | newton |
| B. | Dalton |
| C. | copernicus |
| D. | Einstein |
| Answer» D. Einstein | |
| 26. |
The unit 'light year' is- |
| A. | of time |
| B. | of distance |
| C. | of brightness |
| D. | None of these |
| Answer» C. of brightness | |
| 27. |
Which of the following is not related to space terminology? |
| A. | Telemetry |
| B. | weightlessness |
| C. | cislunar |
| D. | byte |
| Answer» E. | |
| 28. |
The unit of finding the distance between the stars is - |
| A. | steeler miles |
| B. | Cosmic kilometers |
| C. | galactic unit |
| D. | light year |
| Answer» E. | |
| 29. |
For the first time, the Hubble Space Telescope has sent shadows of the surface of a distant star. The name of the star is - |
| A. | Virgo |
| B. | 70 वरजिन्स |
| C. | Beetleguys |
| D. | Big Dipper |
| Answer» D. Big Dipper | |
| 30. |
The constellation whose stars point towards the pole star is- |
| A. | great Bear |
| B. | antelope |
| C. | Scorpio |
| D. | Taurus |
| Answer» B. antelope | |
| 31. |
If an observer sees the stars rising vertically from the horizon, he is located at- |
| A. | at the equator |
| B. | at the Tropic of Cancer |
| C. | at the south pole |
| D. | at the north pole |
| Answer» B. at the Tropic of Cancer | |
| 32. |
The time it takes for the Sun to orbit the center of our galaxy |
| A. | २.5 करोड़ वर्ष |
| B. | 10 करोड़ वर्ष |
| C. | 25 करोड़ वर्ष |
| D. | 50 करोड़ वर्ष |
| Answer» D. 50 करोड़ वर्ष | |
| 33. |
The information about 'Black Hole' was first given by - |
| A. | By Herman Brandy |
| B. | Meghnath Saha |
| C. | s. by Chandasekhar |
| D. | JV Narlikar has |
| Answer» D. JV Narlikar has | |
| 34. |
The Big Explosive Theory is related to- |
| A. | by continental displacement |
| B. | from the origin of the universe |
| C. | Origin of Himalayas |
| D. | from volcanic eruptions |
| Answer» C. Origin of Himalayas | |
| 35. |
The 'Super Nova' is- |
| A. | a planet |
| B. | a black hole |
| C. | a tail star |
| D. | a dying star |
| Answer» E. | |
| 36. |
Krishna hole theory was propounded by- |
| A. | CV Raman has |
| B. | H.J. Bhabha |
| C. | s. by Chandasekhar |
| D. | Hargobind Khurana |
| Answer» D. Hargobind Khurana | |
| 37. |
The color indicator of a star is- |
| A. | distance from the sun |
| B. | of his light |
| C. | its distance from the earth |
| D. | of his heat |
| Answer» E. | |
| 38. |
The group of constitutive stars in a definite shape is called - |
| A. | Galaxy |
| B. | Star |
| C. | Andromeda |
| D. | Solar System |
| Answer» C. Andromeda | |
| 39. |
Which of the following is a Cheravanshiya? |
| A. | Karikal |
| B. | nettle |
| C. | idenzoreal |
| D. | Shengutton |
| Answer» E. | |
| 40. |
Which of the following is not found in space? |
| A. | Pulsar |
| B. | bristol star |
| C. | black hole |
| D. | Kavasar |
| Answer» C. black hole | |
| 41. |
The term for fertile agricultural land in ancient Tamil country was - |
| A. | Mullai |
| B. | nettle |
| C. | marudam |
| D. | Turn |
| Answer» D. Turn | |
| 42. |
The unit of magnetic flux is - |
| A. | weber |
| B. | Gauss |
| C. | hertz |
| D. | tesla |
| Answer» B. Gauss | |
| 43. |
Lenz's law is - |
| A. | of conservation of mass |
| B. | of momentum conservation |
| C. | of energy conservation |
| D. | mass and energy conservation |
| Answer» D. mass and energy conservation | |
| 44. |
Which one of the following materials is more suitable for making the core of a transformer? |
| A. | soft iron |
| B. | Nickel |
| C. | Stainless Steel |
| D. | Copper |
| Answer» B. Nickel | |
| 45. |
The name of India's first nuclear reactor is |
| A. | Elf |
| B. | Kamini |
| C. | Rohini |
| D. | Urvashi |
| Answer» B. Kamini | |
| 46. |
The unit of magnetic field is - |
| A. | Gauss |
| B. | weber |
| C. | henry |
| D. | Domain |
| Answer» B. weber | |
| 47. |
The 'Big-Bag Theory' explains the origin of the following: |
| A. | mammals |
| B. | ice age |
| C. | the universe |
| D. | Ocean |
| Answer» D. Ocean | |
| 48. |
Diamond Harbor and Salt Lake City are located at - |
| A. | in california |
| B. | in Florida |
| C. | in Hong Kong |
| D. | in Kolkata |
| Answer» E. | |
| 49. |
Which of the following is electro-paramagnetic? |
| A. | Out |
| B. | Copper |
| C. | Chromium |
| D. | cobalt |
| Answer» C. Chromium | |
| 50. |
The lines of force in a uniform magnetic field should be - |
| A. | parallel to each other |
| B. | Divergent |
| C. | intersection |
| D. | convergent |
| Answer» B. Divergent | |