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| 211)The planet Neptune discovered in 1846 and after that it has been seen back in the same position where it was discovered recently in the year | |||
| 2010 | 2011 | ||
| 2013 | 2014 | ||
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| 212)The revolution time of the planet Jupitar is | |||
| 11.86 Years | 84 Years | ||
| 160 Years | 100 Years | ||
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| 213)The biggest star in our galaxy is | |||
| Proxima Centuari | Epsilon Aurigae | ||
| Sun | Sirius | ||
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| 214)The nearest star except the sun to the earth | |||
| Sirius | Proxima Centuari | ||
| Epsilon Aurigae | None of these | ||
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| 215)Who observed the sun spot first time? | |||
| Halley | Galileo | ||
| Newton | None of these | ||
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| 216)What are sunspots? | |||
| The areas of the sun where nuclear fission takes place | The areas of the sun where the heat is most intense which shows up as dark spot | ||
| These are great flames of gases which shoot out of the sun | These are cooler areas which move about on the sun's surface and shows up as dark spots. | ||
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| 217)Which planet takes almost same time as the earth to rotate on its own axis? | |||
| Mercury | Jupitar | ||
| Mars | Neptune | ||
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| 218)Which comet appears every 76 years? | |||
| Halley's | Holme's | ||
| Donati's | None of these | ||
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| 219)The largest number of moons that a planet in the solar system has is | |||
| 23 | 43 | ||
| 53 | 63 | ||
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| 220)Which of the following makes the planet saturn unique in the solar system? | |||
| It has a well developed system of rings around it | It is the biggest planet in the solar system | ||
| It shows phases like our moon | It sends strong radio active signals which sound like sea waves | ||
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| 221)Which of the following stars marks fairly precisely the position where the axis of rotation of the Earth cuts the celestial sphere? | |||
| Dhruva | Sirius | ||
| Gemini | Arcturus | ||
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| 222)Which of the following statement about the sun is wrong? | |||
| It is medium sized star of average brightness among million of other stars | The motion of all the members of the solar system is governed by the gravitational force of the sun | ||
| It revolves round the eight planets ih the solar system | All the statements are correct | ||
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| 223)What is the distance between the earth and the sun | |||
| 100x106 km | 120x106 km | ||
| 125x106 km | 150x106 km | ||
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| 224)How many times is the sun bigger than the earth? | |||
| 79 times | 89 times | ||
| 99 times | 109 times | ||
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| 225)How many times is the sun heavier than the earth? | |||
| 3,30,000 times | 3,00,000 times | ||
| 2,70,000 times | 2,80,000 times | ||
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