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General Science: Physics, Chemistry, and Environmental Science

A comprehensive quiz covering fundamental concepts in physics (friction, sound, electricity), chemistry (materials, gases), and environmental science (pollution)

11 Questions Published
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Questions

Question 1 Multiple Choice (Single Answer)

Which of the following is not considered as noise pollution?

  1. Sound of crackers
  2. Air horn in vehicles
  3. An explosion in a mine
  4. A sitar concert by a maestro
  5. A loud speaker
Question 2 Multiple Choice (Single Answer)

A girl was facing a difficulty in removing the bangles she wore on her hands. A suggestion was given to apply soap solution on her hands and then try to remove the bangles. This trick worked and she removed the bangles more easily. This was because __________.

  1. soap solution increased the beauty of the bangles
  2. soap solution reduced friction
  3. hand became a bit cleaner
  4. skin was hard, which softened with soap
  5. none of these
Question 3 Multiple Choice (Single Answer)

Rolling friction is lesser than sliding friction. Which of the following correctly represents this phenomenon?

  1. A boy pushing a huge stone.
  2. Ball bearing being used in cycles and fans.
  3. Tug of war between two teams.
  4. A match stick being lit by striking it.
  5. A table being pulled.
Question 4 Multiple Choice (Single Answer)

Which of the following is a solid lubricant?

  1. Silt
  2. Oil
  3. Graphite
  4. Sand
  5. Grease
Question 5 Multiple Choice (Single Answer)

Which of the following is a respiratory disease?

  1. CAD
  2. Bronchitis
  3. Diarrhoea
  4. Syphilis
  5. Diabetes
Question 6 Multiple Choice (Single Answer)

Which of the following is a natural cause of air pollution?

  1. Volcano
  2. Automobile exhaust
  3. Petroleum refining
  4. Exhaust from cement factory
  5. Exhaust from pesticide production unit
Question 7 Multiple Choice (Single Answer)

A humming bird flaps its wings 80 times in 4 seconds. What is the frequency at which it flaps its wings?

  1. 160 Hertz
  2. 320 Hertz
  3. 20 Hertz
  4. 40 Hertz
  5. 8 Hertz
Question 8 Multiple Choice (Single Answer)

______ of sound is determined by its amplitude of vibration.

  1. Loudness
  2. Pressure
  3. Shrillness
  4. Density
  5. Frequency
Question 9 Multiple Choice (Single Answer)

Which of the following gases is the most dangerous when inhaled?

  1. Carbon dioxide
  2. Nitrogen
  3. Oxygen
  4. Carbon monoxide
  5. Methane
Question 10 Multiple Choice (Single Answer)

Which of the following is/are not electroplated?

  1. Electrical wire
  2. Metallic car parts
  3. Handle bar of a cycle
  4. Gold plated ornaments
  5. Wheel rims of a motor bike
Question 11 Multiple Choice (Single Answer)

Which of the following is not an effect of electric current?

  1. Magnetic effect
  2. Heating effect
  3. Chemical effect
  4. Lighting effect
  5. Cleaning effect
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