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9th Standard Science - Universe Model Question Paper Oct-25 , 2019

Universe 

9th Standard Science - Universe Model Question Paper

Universe Model Question Paper

9th Standard

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Science

Time : 02:00:00 Hrs
Total Marks : 50
    5 x 1 = 5

  1. Who proposed the heliocentric model of the universe?

    (a)

    Tycho Brahe

    (b)

    Nicolaus Copernicus

    (c)

    Ptolemy

    (d)

    Archimedes

  2. Which of the following is not a part of outer solar system?

    (a)

    Mercury

    (b)

    Saturn

    (c)

    Uranus

    (d)

    Neptune

  3. Ceres is a _______.

    (a)

    Meteor

    (b)

    Star

    (c)

    Planet

    (d)

    Astroid

  4. The period of revolution of planet A around the Sun is 8 times that of planet B. How many times is the distance of planet A as great as that of planet B?

    (a)

    4

    (b)

    5

    (c)

    2

    (d)

    3

  5. The Big Bang occurred ________ years ago.

    (a)

    13.7 billion

    (b)

    15 million

    (c)

    15 billion

    (d)

    20 million

    6. 6 x 1 = 6

  6. The speed of Sun in km/s is _______.

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    250

  7. The rotational period of the Sun near its poles is ________.

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    more

  8. India’s first satellite is _______.

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    Aryabhatta

  9. The third law of Kepler is also known as the Law of ________.

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    harmonics

  10. _______ is the only moon in the solar system that moves in the opposite direction to the direction in which its planet spins.

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    Triton

  11. The number of planets in our Solar System is _______.

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    8

    12. 9 x 1 = 9

  12. The distance between Saturn and Uranus is about 10 times as that between Earth and Mars.

    (a) True
    (b) False

  13. ISS is a proof for international cooperation.

    (a) True
    (b) False

  14. Halley’s comet appears after nearly 67 hours.

    (a) True
    (b) False

  15. Satellites nearer to the Earth should have lesser orbital velocity.

    (a) True
    (b) False

  16. Mars is called the red planet.

    (a) True
    (b) False

  17. Jupiter is the smallest planet in the solar system and mercury is the largest planet in the solar system.

    (a) True
    (b) False

  18. There are nine planets in the solar system.

    (a) True
    (b) False

  19. India launched its first satellite Aryabhatta on April 19, 1975.

    (a) True
    (b) False

  20. INSAT is an artificial satellite.

    (a) True
    (b) False
    21. 5 x 1 = 5

  21. Mercury

    22. (1)

    24 hours 37 min

  22. Venus

    23. (2)

    243 days

  23. Mars

    24. (3)

    Comet

  24. Outer planets

    25. (4)

    Saturn

  25. Halley

    26. (5)

    87.97 days
    5 x 3 = 15

  26. Write a note on the inner planets

  27. State Kepler’s laws.

  28. What factors have made life on Earth possible?

  29. What is Big bang theory?

  30. What is the purpose of ISS?

    31. 2 x 5 = 10

  31. Give an account of all the planets in the solar system.

  32. Discuss the benefits of ISS.

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