Questions

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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Filed Under: Inventions
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Q:

Who invented logarithms?

A) Eden Snowden B) Larry Page
C) Thomas Edison D) John Napier
 
Answer & Explanation Answer: D) John Napier

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Q:

Stainless steel was invented by

A) William Howard Livens B) Joseph Aspdin
C) Harry Brearley D) James Dyson
 
Answer & Explanation Answer: C) Harry Brearley

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Q:

Who started Ganesha Festival?

A) Mahatma Gandhi B) Lokmanya Tilak
C) Pandit Nehru D) Indira Gandhi
 
Answer & Explanation Answer: B) Lokmanya Tilak

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Q:

Acid rain is caused due to pollution of atmosphere by

A)  oxides of nitrogen and sulphur B)  oxides of nitrogen and phosphorous
C) oxides of carbon and nitrogen D)  oxides of nitrogen and methane
 
Answer & Explanation Answer: C) oxides of carbon and nitrogen

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Filed Under: Chemistry
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Q:

The poisonous gas accidentally released in Bhopal Gas Tragedy is

A) Methane B) Nitrous Oxide
C) Methyl Isocyanate D) Cyanogen
 
Answer & Explanation Answer: C) Methyl Isocyanate

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Filed Under: Chemistry
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Q:

Electrons in the highest energy level of an atom are called ________.

A) valence protons B) orbital protons
C) valence electrons D) orbital electrons
 
Answer & Explanation Answer: C) valence electrons

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Filed Under: Chemistry
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Q:

Which drug is used to cure Incontinence?

A) Oxybutynin B) Ranitidine
C) Azithromycin D) Levothyroxine
 
Answer & Explanation Answer: A) Oxybutynin

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Filed Under: Biology
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