Basic

 Here are some basic science general knowledge questi

ons covering topics like chemistry, physics, biology, and astronomy. 

Chemistry 

• What is the chemical symbol for water? (
  

  $H_{2}O$
  )
• What is the chemical element with the symbol Fe? (Iron)
• What is the hardest natural substance on Earth? (Diamond)
• What is the element used in making batteries? (Lithium)
• Which metal is liquid at room temperature? (Mercury) 

Physics 

• What is the process by which a liquid changes into a gas? (Evaporation)
• What is the speed of light? (
  

  $299,792,458$
  meters per second) 

Biology 

• Which part of the human body produces insulin? (Pancreas)
What is the powerhouse of a cell? (Mitochondria)Who discovered penicillin? (Alexander Fleming)How many bones are in the human ear? (Three)

• 360+ general knowledge quiz questions for any occasion [2025]

  Easy. Question: How many elements are in the periodic table? Answer: 118. Question: Which planet is closest to the sun? Answer: Me...

  

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• Top 50 GK Questions Every Student Should Know

  What is the chemical symbol of water? H2O. Who invented light? Thomas Edison. What is the hardest natural substance on Earth? The ...

  

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• 360+ general knowledge quiz questions for any occasion [2025]

  Easy. Question: How many elements are in the periodic table? Answer: 118. Question: Which planet is closest to the sun? Answer: Me...

  
  

  
  

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