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RPF Constable General Study Test - 27
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RPF Constable General Study Test - 27
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  • Question 1/10
    1 / -0

    Which of the following is a semiconductor?

    Solutions

    Germanium and silicon are semiconductor materials.

     

  • Question 2/10
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    Which one of the following is used as a moderator in the nuclear reactor?

    Solutions

    Many of the nuclear reactors use graphite as a moderator. Graphite is not as effective as heavy water, but it is cheaper and it also has a low degree of neutron capture like heavy water.

     

  • Question 3/10
    1 / -0

    The ‘Black Box’ of an aeroplane is of

    Solutions

    The black boxes are actually painted with a heat-resistant bright orange colour in order to make them easier to find in wreckage resulting from the crash.

     

  • Question 4/10
    1 / -0

    Pulitzer prize is awarded for outstanding work in the field of

    Solutions

    The Pulitzer Prize is an award for achievements in newspaper, magazine and online journalism, literature, and musical composition in the United States. It was established in 1917.

     

  • Question 5/10
    1 / -0

    Einstein was honoured with Nobel Prize for :

    Solutions

    The Noble Prize in Physics in 1921 was awarded to Albert Einstein for his services to Theoretical Physics and especially for his discovery of the “Law of the Photoelectric Effect”.

     

  • Question 6/10
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    One micron represents a length of-

    Solutions

     

  • Question 7/10
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    The Revolt of 1857 in Awadh and Lucknow was led by

    Solutions

    Begum Hazrat Mahal was the wife of Nawab Wazid Ali Shah of Awadh. She ruled on behalf of her 11-year-old son Birjis Qadar and led the revolt of 1857 in Lucknow.

     

  • Question 8/10
    1 / -0

    Which one of the following is also called Stranger Gas?

    Solutions

    Xenon is a chemical gas with symbol Xe and atomic number 54. It is a rare, odourless, colourless, tasteless, chemically unreactive gas. Xenon gas is also known as stranger gas as its volume is low in the atmosphere.

     

  • Question 9/10
    1 / -0

    Sickle-cell anemia is a disease caused due to the abnormality in

    Solutions

    Sickle cell anemia is an inherited blood disorder that causes chronic anemia, periodic episodes of pain, and other complications. In sickle cell anemia, the red blood cells become rigid and shaped like crescents, or sickles, rather than being flexible and round. This change in shape prevents red blood cells from getting into small blood vessels. As a result, the tissues do not get enough oxygen. Lack of oxygen can cause pain and damage in the arms, legs, and organs (e.g., spleen, kidney, brain).

     

  • Question 10/10
    1 / -0

    A hydrophyte is:

    Solutions

    Hydrophytes or an aquatic plants are plants, that have adapted to live in an aquatic environment (salt water of fresh water).

     

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