The invention of the common mechanical cash register to prevent employee theft was patented by whom in 1879? MCQ with Answer and Explanation

Question
The invention of the common mechanical cash register to prevent employee theft was patented by whom in 1879?
A. James Ritty
B. Walter Hunt
C. Elisha Otis
D. Christopher Sholes
Answer: Option A
Solution (By JKSSB Mock Tests)
Saloon owner James Ritty designed 'Ritty's Incorruptible Cashier' after observing the revolutions of a ship's propeller tracker.
This question belongs to: Static General Knowledge Inventions and Discoveries
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Question #1
Who discovered the bacterium responsible for causing Tuberculosis (TB)?
A. Louis Pasteur
B. Robert Koch
C. Alexander Fleming
D. Edward Jenner
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Correct Answer: Option B

Explanation:
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
Question #2
Who discovered that biological chemical energy transfers are regulated by specific high-energy nucleotide molecules called ATP?
A. Hans Krebs
B. Eduard Buchner
C. Karl Lohmann
D. Fritz Lipmann
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Correct Answer: Option C

Explanation:
Karl Lohmann isolated Adenosine Triphosphate from muscle tissues in 1929, identifying it as the universal intracellular energy currency.
This question belongs to: Static General Knowledge Inventions and Discoveries
Question #3
The invention of the common mechanical thermometer scale fixed at 0 for freezing and 100 for boiling water was done by whom?
A. Daniel Gabriel Fahrenheit
B. Anders Celsius
C. René Antoine Ferchault de Réaumur
D. Lord Kelvin
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Correct Answer: Option B

Explanation:
Swedish astronomer Anders Celsius proposed the centigrade temperature scale in 1742.
This question belongs to: Static General Knowledge Inventions and Discoveries
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