Who discovered the bacterium responsible for causing Tuberculosis (TB)? MCQ with Answer and Explanation

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Who discovered the bacterium responsible for causing Tuberculosis (TB)?

A. Robert Koch

B. Louis Pasteur

C. Edward Jenner

D. Alexander Fleming

Answer: Option A

Solution (By JKSSB Mock Tests)

Robert Koch discovered Mycobacterium tuberculosis in 1882, establishing the germ theory of disease for TB.

This question belongs to: Static General Knowledge Inventions and Discoveries

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Who discovered that light travels in packets of discrete energy called photons, explaining the Photoelectric Effect?

A. Albert Einstein

B. Max Planck

C. Niels Bohr

D. Louis de Broglie

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Correct Answer: Option A

Explanation:
Albert Einstein won the 1921 Nobel Prize in Physics for his 1905 paper applying quantum concepts to the photoelectric effect.

This question belongs to: Static General Knowledge Inventions and Discoveries

Question #2

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Who discovered the phenomenon of specific heat capacity and latent heat in thermodynamics?

A. Lord Kelvin

B. James Joule

C. Antoine Lavoisier

D. Joseph Black

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Correct Answer: Option D

Explanation:
Scottish chemist Joseph Black discovered latent heat and specific heat, laying foundations for thermodynamic science.

This question belongs to: Static General Knowledge Inventions and Discoveries

Question #3

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Who discovered the first recognized hormonal messenger molecule in the human body, Secretin?

A. Charles Best

B. William Bayliss and Ernest Starling

C. Frederick Banting

D. Karl Landsteiner

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Correct Answer: Option B

Explanation:
Bayliss and Starling isolated secretin in 1902, discovering chemical signaling loops that function independently of direct nervous inputs.

This question belongs to: Static General Knowledge Inventions and Discoveries

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