Online Test for 4362 Lab Assistant Jobs in Government Schools - 14


Science
  1. The function of heavy water in a nuclear reactor is to _____
    1.  Cool down the reactor
    2.  Increase the speed of neutrons
    3.  Slow down the speed of neutrons
    4.  None of the above

  2. What is the zoom lens?
    1.  Lens used in microscope
    2.  Lens having fixed focal length
    3.  Lens used in radio telescope
    4.  Lens having variable focal length

  3. The plants are getting their nitrogen from _____
    1.  The soil
    2.  Rain
    3.  The air
    4.  All the above

  4. Which one was unknown to ancient civilization?
    1.  Mercury
    2.  Sulfur
    3.  Tin
    4.  Aluminum

  5. Which is the longest?
    1.  Dekameter
    2.  Centimeter
    3.  Kilometer
    4.  Terameter

  6. The Biomass energy  _______
    1.  Has been used for few months
    2.  Formed through photosynthesis
    3.  Effective in only certain regions of India
    4.  None of the above 

  7. DNA structures was first described by ______
    1.  Nirenberg
    2.  Lederberg
    3.  Watson and Crick
    4.  None of the above

  8. The food which gives an athlete instant energy is _____
    1.  Butter
    2.  Protein
    3.  Vitamins
    4.  Clugose

  9. The Blood group of A,B,O discovered by _______
    1.  Charles Darwin
    2.  Watson
    3.  Karl Landsteiner
    4.  Gregor Mendel

  10. Acromegaly is caused by irregular secretion of ______ 
    1.  Pancreas
    2.  Thyroid
    3.  Adrenal
    4.  Pituitry



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