Science

9th

grade

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9th CBSE 24/08/2021

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3 questions

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  • 1. Multiple Choice
    30 seconds
    1 pt

    A person is sitting in a travelling train and facing the

    engine. He tosses up a coin and the coin falls behind

    him. It can be concluded that the train is :

    Moving forward and gaining speed.

    Moving forward and losing speed

    Moving forward with uniform speed.

    Moving backward with uniform

  • 2. Multiple Choice
    30 seconds
    1 pt

    Ms. Shukla, a science teacher gave different mixtures to

    four groups of students to separate their components.

    Which group was not following the correct method?

    Group 1 was separating a mixture of ethyl alcohol

    and water by using separating funnel

    Group 3 was separating a mixture of iron pins and

    sand by using a magnet.

    Group 2 was separating a mixture of ammonium

    chloride and sodium chloride using sublimation

    Group 4 was separating mud particles suspended

    in water using sedimentation and decantation

  • 3. Multiple Choice
    30 seconds
    1 pt

    Select the incorrect match of disease and its vector/

    carrier.

    Cholera - Housefly

    Sleeping sickness - Tsetse fly

    Typhus fever - Body louse

    Chikungunya - Sandfly

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