Who discovered that yellow fever is transmitted by a specific mosquito species rather than direct human contact? MCQ with Answer and Explanation
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Question #1
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The chemical element Oxygen was independently discovered by Carl Wilhelm Scheele and which other English scientist?
Correct Answer: Option C
Explanation:
Joseph Priestley discovered oxygen in 1774 and published his findings first, though Scheele had isolated it earlier.
Joseph Priestley discovered oxygen in 1774 and published his findings first, though Scheele had isolated it earlier.
This question belongs to:
Static General Knowledge
Inventions and Discoveries
Question #2
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Who discovered that light waves travel as transverse vibrations, contradicting the longitudinal wave model?
Correct Answer: Option C
Explanation:
Fresnel and Young demonstrated through polarization experiments that light waves propagate perpendicular to the direction of travel.
Fresnel and Young demonstrated through polarization experiments that light waves propagate perpendicular to the direction of travel.
This question belongs to:
Static General Knowledge
Inventions and Discoveries
Question #3
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Who discovered that atomic structure configurations present discrete filling layers regulated by spin exclusion principles?
Correct Answer: Option B
Explanation:
The Pauli Exclusion Principle states that no two electrons in an atom can occupy the exact same quantum state simultaneously.
The Pauli Exclusion Principle states that no two electrons in an atom can occupy the exact same quantum state simultaneously.
This question belongs to:
Static General Knowledge
Inventions and Discoveries
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