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Q:

Who Invented the 3-D printer?

A) Nick Holonyak B) Elias Howe
C) Chuck Hull D) Christiaan Huygens
 
Answer & Explanation Answer: C) Chuck Hull

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Q:

Who invented Antibiotics?

A) Joseph Lister B) William Harvey
C) Robert Knock D) Alexander Fleming
 
Answer & Explanation Answer: D) Alexander Fleming

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Q:

The first large scale electrical air conditioning was invented and used in 1902 by

A) Willis Carrier B) John Gorrie
C) Stuart Cramer D) H.H. Schultz
 
Answer & Explanation Answer: A) Willis Carrier

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Q:

The Arabic work of al-Biruni that gave an account of the subcontinent is called __________.

A) Kitab - Al Hind B) Kitab - Al Bharat
C) Pustak - Al Hind D) Pustak - Al Bharat
 
Answer & Explanation Answer: A) Kitab - Al Hind

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Q:

Arrest of _________ in 1930 led to angry demonstrations in streets of Peshawar.

A) Abdul Ghaffar Khan B) Abul Kalam Azad
C) Zakir Hussain D) Muzaffar Ahmed
 
Answer & Explanation Answer: A) Abdul Ghaffar Khan

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Q:

Who discovered the colour photography?

A) Robert Noyce B) Enrico Fermi
C) John Logie Baird D) James Clerk Maxwell
 
Answer & Explanation Answer: D) James Clerk Maxwell

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Q:

Who Invented Neon Lamp?

A) Vint Cerf B) David Chaum
C) Georges Claude D) Josephine Cochrane
 
Answer & Explanation Answer: C) Georges Claude

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Q:

Gandhiji's 'Satyagraha' meant an attachment to the following two elements

A) Knowledge and religion B) Truth and non-violence
C) Truth and chastity D) Love of motherland and hate for colonial masters
 
Answer & Explanation Answer: B) Truth and non-violence

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