CHALLENGE: Science MCQs Quiz based on informative Science facts!

Science MCQs

Do you like science and think you have a lot of knowledge about it? Answer these fun and informative Science MCQs Quiz questions to further increase your knowledge about it and hopefully your “I like Science” will convert to “I Love Science”!

Science MCQs Quiz

Water can be boiled and frozen at the same time. This is known as...

What is the color of the blood of the cockroach?

Distilled water (pure water) is a...

Adding salt to a pineapple makes it...

How quiet is the world’s quietest room, named Anechoic?

Which bacteria causes the sweet smell of rain?

How many teeth most adults have?

Where are red blood cells produced in our body?

Which of the following is used to transport oxygen in humans?

How many species are known to man?

Which is the largest bone in the human body?

How many elements are known to man today?

Which is the smallest bone in human body?

Once in Colorado, there was a chicken who survived for 18 months when his head was cut off. What was the name of that chicken?

Who is considered as the father of chemistry and atomic theory?

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Explanation and answers for science MCQs and trivia

  1. Water can be boiled and frozen at the same time. This stage is known as the triple point. Pressure and temperature are adjusted in such a way that the water remains at all the three states i.e liquid, gas and solid.
  2. The color of the blood of cockroach is white. It is because it lacks hemoglobin. Hemoglobin gives a red color to the blood of animals and humans.
  3. Pure water is not a conductor but an insulator. In distilled (pure) water, there are no ions to conduct electricity.
  4. Adding salt to a pineapple makes it sweeter. Try it yourself and tell me what happened!
  5. It is -9 Db. You can even hear your blood flowing if you stay quiet in this room!
  6. “Actinomycetes” causes the sweet smell after the rain.
  7. Most adults have 32 teeth.
  8. Red blood cells are produced in the bone marrow.
  9. Hemoglobin is used to carry oxygen in human’s body. It is found in red blood cells.
  10. Nearly 8.7 Million species are known to man.
  11. “Thighbone” is the longest bone in the human body. It starts from the hip socket and ends into the knee bone.
  12. “115” elements are known to man today.
  13. “Stapes” is the smallest bone in the human body. It is found in the human ear.
  14. His name was mike.
  15. John Dalton is known as the father of atomic theory.

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