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Physical World Test - 14

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Physical World Test - 14
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Weekly Quiz Competition
  • Question 1
    1 / -0
    Which of the following was an ornithologist.
    Solution
    Dr. Salim All was an ornithologist.

  • Question 2
    1 / -0
    Which of the following is not from the modem times ?
    Solution
    Charak
  • Question 3
    1 / -0
    Sushrtra used which animal to prevent blood clotting during surgery?
    Solution
    Sushrtra used leech to prevent blood clotting during surgery.
  • Question 4
    1 / -0
    Who started Bengal Chemical S Pharmaceutical Works?
    Solution
    Prafullachandra Ray  started Bengal Chemical S Pharmaceutical Works.
  • Question 5
    1 / -0
    Mass of a body remains constant anywhere in the universe. State whether the statement is true or false.
    Solution
    Yes, the mass of a static body remains constant anywhere in universe.
    According to definition. mass is the measure of matter constituting the substance and is independent of gravity acting on it, its phase (i.e state)

    For example you take $$5g$$ solid and convert it to liquid, maybe you can now measure it in terms of litres.
    But still the mass of the liquid will be $$5$$ grams.

    Therefore option $$A$$ is correct one.
  • Question 6
    1 / -0
    The speed of electromagnetic waves in air is
    Solution

  • Question 7
    1 / -0
    The branch of science which deals with nature and natural phenomena is called
    Solution
    The branch of science concerned with the nature and properties of matter and energy is called Physics. The subject matter of physics includes mechanics, heat, light and other radiation, sound, electricity, magnetism, and the structure of atoms.
    Hence option D is the correct answer.

  • Question 8
    1 / -0
    Who was the first pre-Socratic philosopher to suggest that matter could neither be created nor destroyed?
    Solution
    Parmenides was the first pre-Socratic philosopher to suggest that matter could neither be created nor destroyed.
    Hence,
    option $$(C)$$ is correct answer.
  • Question 9
    1 / -0
    The type of resource obtained from Biosphere that contains life is.
    Solution
    (d) Biotic resources. Examples:Forests,animals and the materials abtained from them.
  • Question 10
    1 / -0
    Wheel-arid-axle and rope move in :
    Solution
    Wheel-arid-axle and rope move in same direction.
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