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Q:

The Great wall of China was built in the year

Answer

214 BC

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Subject: World History

Q:

What were the watchwords for French Revolution?

Answer

 Liberty , Equality and Fraterenity

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Subject: World History

Q:

Which company made the first tea bags?

Answer

Tetley

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Subject: World History

Q:

This statesman,politican,scholar,inventor,and one of early presidents of USA invented the swivel chair,the spherical sundial,the moldboard plow,and the cipher wheel.

A) George Washington B) Alexander Hamilton
C) John Adams D) Thomas Jefferson
 
Answer & Explanation Answer: D) Thomas Jefferson

Explanation:

 Thomas Jefferson (April 13, 1743 – July 4, 1826) was the third President of the United States (1801-1809) and the principal author of the Declaration of Independence (1776).

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Filed Under: Inventions

Q:

Which insurance salesman invented the fountain pen in 1884?

A) Lewis Edson Waterman B) Sir William Grove
C) Charles Kettering D) George Fountain
 
Answer & Explanation Answer: A) Lewis Edson Waterman

Explanation:

Lewis Edson Waterman patented the first practical fountain pen in 1884.

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Filed Under: Inventions

Q:

Which of the following plants is not capable of manufacturing own food?

A) Algae B) Mushroom
C) Carrot D) Cabbage
 
Answer & Explanation Answer: B) Mushroom

Explanation:
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Filed Under: General Science

Q:

Which one of the following types of waves are used in a night vision apparatus?

A) Radio waves B) Microwaves
C) Infra-red waves D) None of the above
 
Answer & Explanation Answer: C) Infra-red waves

Explanation:
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Filed Under: General Science

Q:

Persons with which blood group are called universal donors?

A) AB B) A
C) O D) B
 
Answer & Explanation Answer: C) O

Explanation:
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Filed Under: General Science