Question : Who invented the waterproof raincoat?
Option 1: Robert Hooke
Option 2: Cai Lun
Option 3: Charles Macintosh
Option 4: William Harvey
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Correct Answer: Charles Macintosh
Solution : The correct option is Charles Macintosh
Charles Macintosh invented the waterproof raincoat. He was a Scottish chemist who bonded two pieces of cloth together to create waterproof garments using coal tar naphtha. He created a trilayer fabric, with rubber constituting the centre layer and normal cloth for the first and last layers.
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Question : Who discovered bacteria?
Option 1: Antonie Van Leeuwenhoek
Option 2: Robert Brown
Option 3: Robert Hooke
Option 4: Robert Koch
Question : Who created the first mechanical prototype for future computers?
Option 1: John Sullivan
Option 2: John Harrison
Option 3: Cai Lun
Option 4: Charles Babbage
Question : Who was the first Governor General of Bengal?
Option 1: Robert Clive
Option 2: William Bentinck
Option 3: Warren Hastings
Option 4: Charles Cornwallis
Question : Who is the father of modern ecology?
Option 1: Robert Brown
Option 2: Charles Darwin
Option 3: E. P. Odum
Option 4: Robert Hook
Question : Bacteria was first discovered by
Option 1: A.V. Leeuwenhoek
Option 2: Robert hooke
Option 3: Robert Koch
Option 4: Louis Pasteur
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