Science
525 questions found
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511
Which organ in the human body is primarily responsible for filtering blood?
Medium
Science
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512
What is the hardest natural substance on Earth?
Easy
Science
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513
What is the chemical symbol for Gold?
Medium
Science
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514
Which scientist proposed the Theory of Relativity?
Hard
Science
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515
Which component of blood carries oxygen?
Hard
Science
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516
Which layer of the Earth's atmosphere contains the Ozone layer?
Medium
Geography, Science
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517
Which vitamin is synthesized in the human body in the presence of sunlight?
Medium
Science
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518
Which acid is found in lemon?
Medium
Science
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519
Which gas do plants absorb from the atmosphere for photosynthesis?
Easy
Science
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520
Which planet is the largest in our solar system?
Easy
General Knowledge, Geography, Science
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521
What is the boiling point of water at sea level?
Easy
Science
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522
Which planet is known as the Red Planet?
Easy
Science
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523
this is demo question
Medium
General Knowledge, Computer, Geography, History, Science
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524
What is the speed of light in a vacuum?
Medium
Science
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525
What is the chemical symbol of Gold?
Easy
Science
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