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SCIENCE AND TECH MCQs

Total Questions : 458 | Page 1 of 46 pages
Question 1.

Name the scientist who first declared that the earth revolves around the sun.

  1.    Newton
  2.    Galileo
  3.    Copernicus
  4.    Ptolemy
  5.    None of these
 Discuss Question
Answer: Option C. -> Copernicus
Question 2.

Which of the following in the human body is affected by Leukemia?

  1.    Blood
  2.    Lungs
  3.    Eyes
  4.    Nerves
  5.    None of these
 Discuss Question
Answer: Option A. -> Blood
Question 3.

Through which organ does a fish respire?

  1.    Nose
  2.    Lungs
  3.    Gills
  4.    Fins
  5.    None of these
 Discuss Question
Answer: Option C. -> Gills
Question 4.

Which lenses are used by the people having short - sightedness?

  1.    Convex
  2.    Concave
  3.    Concavo - convex
  4.    Plain
  5.    None of these
 Discuss Question
Answer: Option B. -> Concave
Question 5.

What type of machine was ENIAC, built in 1946?

  1.    Printing Press
  2.    Tank
  3.    Computer
  4.    Typewriter
  5.    Telephone
 Discuss Question
Answer: Option C. -> Computer
Question 6.

Which is the hardest substance in the human body?

  1.    Tooth Enamel
  2.    Skull
  3.    Knee Cap
  4.    Rib
  5.    None of these
 Discuss Question
Answer: Option A. -> Tooth Enamel
Question 7.

Who invented Zero?

  1.    Indians
  2.    Egyptians
  3.    Greeks
  4.    Arabs
  5.    None of these
 Discuss Question
Answer: Option A. -> Indians
Question 8.

Which vitamin is available to the human body through sun bathing?

  1.    Vitamin A
  2.    Vitamin D
  3.    Vitamin C
  4.    Vitamin B
  5.    None of these
 Discuss Question
Answer: Option B. -> Vitamin D
Question 9.

Which branch of Medical Science deals with skin?

  1.    Cetology
  2.    Cytology
  3.    Dermatology
  4.    Dandrology
  5.    None of these
 Discuss Question
Answer: Option C. -> Dermatology
Question 10.

Which instrument is used to measure the density of milk?

  1.    Lactometer
  2.    Hydrometer
  3.    Barometer
  4.    Hygrometer
  5.    None of these
 Discuss Question
Answer: Option A. -> Lactometer

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